Programs & Examples On #Bitmap

public Bitmap resizeBitmap(String photoPath, int targetW, int targetH) {
    BitmapFactory.Options bmOptions = new BitmapFactory.Options();
    bmOptions.inJustDecodeBounds = true;
    BitmapFactory.decodeFile(photoPath, bmOptions);
    int photoW = bmOptions.outWidth;
    int photoH = bmOptions.outHeight;

    int scaleFactor = 1;
    if ((targetW > 0) || (targetH > 0)) {
            scaleFactor = Math.min(photoW/targetW, photoH/targetH);        
    }

    bmOptions.inJustDecodeBounds = false;
    bmOptions.inSampleSize = scaleFactor;
    bmOptions.inPurgeable = true; //Deprecated API 21

    return BitmapFactory.decodeFile(photoPath, bmOptions);            
}

In addition, you can simply convert byte array to Bitmap.

var bmp = new Bitmap(new MemoryStream(imgByte));

You can also get Bitmap from file Path directly.

Bitmap bmp = new Bitmap(Image.FromFile(filePath));

If you load URL from bitmap without using AsyncTask, write two lines after setContentView(R.layout.abc);

StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
        StrictMode.setThreadPolicy(policy);

try {
    URL url = new URL("http://....");
    Bitmap image = BitmapFactory.decodeStream(url.openConnection().getInputStream());
} catch(IOException e) {
    System.out.println(e);
}

Well I've tried everything I found on the internet and none of them worked. Calling System.gc() only drags down the speed of app. Recycling bitmaps in onDestroy didn't work for me too.

The only thing that works now is to have a static list of all the bitmap so that the bitmaps survive after a restart. And just use the saved bitmaps instead of creating new ones every time the activity if restarted.

In my case the code looks like this:

private static BitmapDrawable currentBGDrawable;

if (new File(uriString).exists()) {
    if (!uriString.equals(currentBGUri)) {
        freeBackground();
        bg = BitmapFactory.decodeFile(uriString);

        currentBGUri = uriString;
        bgDrawable = new BitmapDrawable(bg);
        currentBGDrawable = bgDrawable;
    } else {
        bgDrawable = currentBGDrawable;
    }
}

Hope this helps

View view="some view instance";        
view.setDrawingCacheEnabled(true);
Bitmap bitmap=view.getDrawingCache();
view.setDrawingCacheEnabled(false);

Update
getDrawingCache() method is deprecated in API level 28. So look for other alternative for API level > 28.

You can try the following:

private void button1_Click(object sender, EventArgs e)
    {
        OpenFileDialog fDialog = new OpenFileDialog();
        fDialog.Title = "Select file to be upload";
        fDialog.Filter = "All Files|*.*";
        //  fDialog.Filter = "PDF Files|*.pdf";
        if (fDialog.ShowDialog() == DialogResult.OK)
        {
            textBox1.Text = fDialog.FileName.ToString();
        }
    }

The answer of Uttam didnt work for me. I just got null when I do:

Bitmap bitmap = BitmapFactory.decodeByteArray(bitmapdata, 0, bitmapdata.length);

In my case, bitmapdata only has the buffer of the pixels, so it is imposible for the function decodeByteArray to guess which the width, the height and the color bits use. So I tried this and it worked:

//Create bitmap with width, height, and 4 bytes color (RGBA)    
Bitmap bmp = Bitmap.createBitmap(imageWidth, imageHeight, Bitmap.Config.ARGB_8888);
ByteBuffer buffer = ByteBuffer.wrap(bitmapdata);
bmp.copyPixelsFromBuffer(buffer);

Check https://developer.android.com/reference/android/graphics/Bitmap.Config.html for different color options

To Save your bitmap in sdcard use the following code

Store Image

private void storeImage(Bitmap image) {
    File pictureFile = getOutputMediaFile();
    if (pictureFile == null) {
        Log.d(TAG,
                "Error creating media file, check storage permissions: ");// e.getMessage());
        return;
    } 
    try {
        FileOutputStream fos = new FileOutputStream(pictureFile);
        image.compress(Bitmap.CompressFormat.PNG, 90, fos);
        fos.close();
    } catch (FileNotFoundException e) {
        Log.d(TAG, "File not found: " + e.getMessage());
    } catch (IOException e) {
        Log.d(TAG, "Error accessing file: " + e.getMessage());
    }  
}

To Get the Path for Image Storage

/** Create a File for saving an image or video */
private  File getOutputMediaFile(){
    // To be safe, you should check that the SDCard is mounted
    // using Environment.getExternalStorageState() before doing this. 
    File mediaStorageDir = new File(Environment.getExternalStorageDirectory()
            + "/Android/data/"
            + getApplicationContext().getPackageName()
            + "/Files"); 

    // This location works best if you want the created images to be shared
    // between applications and persist after your app has been uninstalled.

    // Create the storage directory if it does not exist
    if (! mediaStorageDir.exists()){
        if (! mediaStorageDir.mkdirs()){
            return null;
        }
    } 
    // Create a media file name
    String timeStamp = new SimpleDateFormat("ddMMyyyy_HHmm").format(new Date());
    File mediaFile;
        String mImageName="MI_"+ timeStamp +".jpg";
        mediaFile = new File(mediaStorageDir.getPath() + File.separator + mImageName);  
    return mediaFile;
} 

EDIT From Your comments i have edited the onclick view in this the button1 and button2 functions will be executed separately.

public onClick(View v){

switch(v.getId()){
case R.id.button1:
//Your button 1 function
break;
case R.id. button2:
//Your button 2 function
break;
} 
}

Use this code..

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.Base64;
import java.io.ByteArrayOutputStream;

public class ImageUtil 
{ 
    public static Bitmap convert(String base64Str) throws IllegalArgumentException 
    { 
        byte[] decodedBytes = Base64.decode( base64Str.substring(base64Str.indexOf(",") + 1), Base64.DEFAULT );
        return BitmapFactory.decodeByteArray(decodedBytes, 0, decodedBytes.length);
    } 

    public static String convert(Bitmap bitmap) 
    { 
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.PNG, 100, outputStream);
        return Base64.encodeToString(outputStream.toByteArray(), Base64.DEFAULT);
    }
}

There's a static method in ToolStripRenderer class, named CreateDisabledImage. Its usage is as simple as:

Bitmap c = new Bitmap("filename");
Image d = ToolStripRenderer.CreateDisabledImage(c);

It uses a little bit different matrix than the one in the accepted answer and additionally multiplies it by a transparency of value 0.7, so the effect is slightly different than just grayscale, but if you want to just get your image grayed, it's the simplest and best solution.

Here the async version.

public static Task<BitmapSource> ToBitmapSourceAsync(this Bitmap bitmap)
{
    return Task.Run(() =>
    {
        using (System.IO.MemoryStream memory = new System.IO.MemoryStream())
        {
            bitmap.Save(memory, ImageFormat.Png);
            memory.Position = 0;
            BitmapImage bitmapImage = new BitmapImage();
            bitmapImage.BeginInit();
            bitmapImage.StreamSource = memory;
            bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
            bitmapImage.EndInit();
            bitmapImage.Freeze();
            return bitmapImage as BitmapSource;
        }
    });

}

I solved the problem with the following workaround. Note that I am also scaling the image, which was necessary to avoid OutOfMemoryExceptions.

Beware that this solution will not work properly with portrait images or opside-down images (thank you Timmmm for noting). Timmmm's solution above might be the better choice if that is required and it looks more elegant, too: https://stackoverflow.com/a/8914291/449918

File path = // ... location of your bitmap file
int w = 512; int h = 384; // size that does not lead to OutOfMemoryException on Nexus One
Bitmap b = BitmapFactory.decodeFile(path);


// Hack to determine whether the image is rotated
boolean rotated = b.getWidth() > b.getHeight();

Bitmap resultBmp = null;

// If not rotated, just scale it
if (!rotated) {
    resultBmp = Bitmap.createScaledBitmap(b, w, h, true);
    b.recycle();
    b = null;

// If rotated, scale it by switching width and height and then rotated it
} else {
    Bitmap scaledBmp = Bitmap.createScaledBitmap(b, h, w, true);
    b.recycle();
    b = null;

    Matrix mat = new Matrix();
    mat.postRotate(90);
    resultBmp = Bitmap.createBitmap(scaledBmp, 0, 0, h, w, mat, true);

    // Release image resources
    scaledBmp.recycle();
    scaledBmp = null;
}

// resultBmp now contains the scaled and rotated image

Cheers

Justin answer translated to code (works perfect for me):

private Bitmap getBitmap(String path) {

Uri uri = getImageUri(path);
InputStream in = null;
try {
    final int IMAGE_MAX_SIZE = 1200000; // 1.2MP
    in = mContentResolver.openInputStream(uri);

    // Decode image size
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeStream(in, null, options);
    in.close();



    int scale = 1;
    while ((options.outWidth * options.outHeight) * (1 / Math.pow(scale, 2)) > 
          IMAGE_MAX_SIZE) {
       scale++;
    }
    Log.d(TAG, "scale = " + scale + ", orig-width: " + options.outWidth + ", 
       orig-height: " + options.outHeight);

    Bitmap resultBitmap = null;
    in = mContentResolver.openInputStream(uri);
    if (scale > 1) {
        scale--;
        // scale to max possible inSampleSize that still yields an image
        // larger than target
        options = new BitmapFactory.Options();
        options.inSampleSize = scale;
        resultBitmap = BitmapFactory.decodeStream(in, null, options);

        // resize to desired dimensions
        int height = resultBitmap.getHeight();
        int width = resultBitmap.getWidth();
        Log.d(TAG, "1th scale operation dimenions - width: " + width + ",
           height: " + height);

        double y = Math.sqrt(IMAGE_MAX_SIZE
                / (((double) width) / height));
        double x = (y / height) * width;

        Bitmap scaledBitmap = Bitmap.createScaledBitmap(resultBitmap, (int) x, 
           (int) y, true);
        resultBitmap.recycle();
        resultBitmap = scaledBitmap;

        System.gc();
    } else {
        resultBitmap = BitmapFactory.decodeStream(in);
    }
    in.close();

    Log.d(TAG, "bitmap size - width: " +resultBitmap.getWidth() + ", height: " + 
       resultBitmap.getHeight());
    return resultBitmap;
} catch (IOException e) {
    Log.e(TAG, e.getMessage(),e);
    return null;
}

Create a video thumbnail for a video. It may return null if the video is corrupted or the format is not supported.

private void makeVideoPreview() {
    Bitmap thumbnail = ThumbnailUtils.createVideoThumbnail(videoAbsolutePath, MediaStore.Images.Thumbnails.MINI_KIND);
    saveImage(thumbnail);
}

To Save your bitmap in sdcard use the following code

Store Image

private void storeImage(Bitmap image) {
    File pictureFile = getOutputMediaFile();
    if (pictureFile == null) {
        Log.d(TAG,
                "Error creating media file, check storage permissions: ");// e.getMessage());
        return;
    } 
    try {
        FileOutputStream fos = new FileOutputStream(pictureFile);
        image.compress(Bitmap.CompressFormat.PNG, 90, fos);
        fos.close();
    } catch (FileNotFoundException e) {
        Log.d(TAG, "File not found: " + e.getMessage());
    } catch (IOException e) {
        Log.d(TAG, "Error accessing file: " + e.getMessage());
    }  
}

To Get the Path for Image Storage

/** Create a File for saving an image or video */
private  File getOutputMediaFile(){
    // To be safe, you should check that the SDCard is mounted
    // using Environment.getExternalStorageState() before doing this. 
    File mediaStorageDir = new File(Environment.getExternalStorageDirectory()
            + "/Android/data/"
            + getApplicationContext().getPackageName()
            + "/Files"); 

    // This location works best if you want the created images to be shared
    // between applications and persist after your app has been uninstalled.

    // Create the storage directory if it does not exist
    if (! mediaStorageDir.exists()){
        if (! mediaStorageDir.mkdirs()){
            return null;
        }
    } 
    // Create a media file name
    String timeStamp = new SimpleDateFormat("ddMMyyyy_HHmm").format(new Date());
    File mediaFile;
        String mImageName="MI_"+ timeStamp +".jpg";
        mediaFile = new File(mediaStorageDir.getPath() + File.separator + mImageName);  
    return mediaFile;
} 

This seems like the appropriate place to share my utility class for loading and processing images with the community, you are welcome to use it and modify it freely.

package com.emil;

import java.io.IOException;
import java.io.InputStream;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

/**
 * A class to load and process images of various sizes from input streams and file paths.
 * 
 * @author Emil http://stackoverflow.com/users/220710/emil
 *
 */
public class ImageProcessing {

    public static Bitmap getBitmap(InputStream stream, int sampleSize, Bitmap.Config bitmapConfig) throws IOException{
        BitmapFactory.Options options=ImageProcessing.getOptionsForSampling(sampleSize, bitmapConfig);
        Bitmap bm = BitmapFactory.decodeStream(stream,null,options);
        if(ImageProcessing.checkDecode(options)){
            return bm;
        }else{
            throw new IOException("Image decoding failed, using stream.");
        }
    }

    public static Bitmap getBitmap(String imgPath, int sampleSize, Bitmap.Config bitmapConfig) throws IOException{
        BitmapFactory.Options options=ImageProcessing.getOptionsForSampling(sampleSize, bitmapConfig);
        Bitmap bm = BitmapFactory.decodeFile(imgPath,options);
        if(ImageProcessing.checkDecode(options)){
            return bm;
        }else{
            throw new IOException("Image decoding failed, using file path.");
        }
    }

    public static Dimensions getDimensions(InputStream stream) throws IOException{
        BitmapFactory.Options options=ImageProcessing.getOptionsForDimensions();
        BitmapFactory.decodeStream(stream,null,options);
        if(ImageProcessing.checkDecode(options)){
            return new ImageProcessing.Dimensions(options.outWidth,options.outHeight);
        }else{
            throw new IOException("Image decoding failed, using stream.");
        }
    }

    public static Dimensions getDimensions(String imgPath) throws IOException{
        BitmapFactory.Options options=ImageProcessing.getOptionsForDimensions();
        BitmapFactory.decodeFile(imgPath,options);
        if(ImageProcessing.checkDecode(options)){
            return new ImageProcessing.Dimensions(options.outWidth,options.outHeight);
        }else{
            throw new IOException("Image decoding failed, using file path.");
        }
    }

    private static boolean checkDecode(BitmapFactory.Options options){
        // Did decode work?
        if( options.outWidth<0 || options.outHeight<0 ){
            return false;
        }else{
            return true;
        }
    }

    /**
     * Creates a Bitmap that is of the minimum dimensions necessary
     * @param bm
     * @param min
     * @return
     */
    public static Bitmap createMinimalBitmap(Bitmap bm, ImageProcessing.Minimize min){
        int newWidth, newHeight;
        switch(min.type){
        case WIDTH:
            if(bm.getWidth()>min.minWidth){
                newWidth=min.minWidth;
                newHeight=ImageProcessing.getScaledHeight(newWidth, bm);
            }else{
                // No resize
                newWidth=bm.getWidth();
                newHeight=bm.getHeight();
            }
            break;
        case HEIGHT:
            if(bm.getHeight()>min.minHeight){
                newHeight=min.minHeight;
                newWidth=ImageProcessing.getScaledWidth(newHeight, bm);
            }else{
                // No resize
                newWidth=bm.getWidth();
                newHeight=bm.getHeight();
            }
            break;
        case BOTH: // minimize to the maximum dimension
        case MAX:
            if(bm.getHeight()>bm.getWidth()){
                // Height needs to minimized
                min.minDim=min.minDim!=null ? min.minDim : min.minHeight;
                if(bm.getHeight()>min.minDim){
                    newHeight=min.minDim;
                    newWidth=ImageProcessing.getScaledWidth(newHeight, bm);
                }else{
                    // No resize
                    newWidth=bm.getWidth();
                    newHeight=bm.getHeight();
                }
            }else{
                // Width needs to be minimized
                min.minDim=min.minDim!=null ? min.minDim : min.minWidth;
                if(bm.getWidth()>min.minDim){
                    newWidth=min.minDim;
                    newHeight=ImageProcessing.getScaledHeight(newWidth, bm);
                }else{
                    // No resize
                    newWidth=bm.getWidth();
                    newHeight=bm.getHeight();
                }
            }
            break;
        default:
            // No resize
            newWidth=bm.getWidth();
            newHeight=bm.getHeight();
        }
        return Bitmap.createScaledBitmap(bm, newWidth, newHeight, true);
    }

    public static int getScaledWidth(int height, Bitmap bm){
        return (int)(((double)bm.getWidth()/bm.getHeight())*height);
    }

    public static int getScaledHeight(int width, Bitmap bm){
        return (int)(((double)bm.getHeight()/bm.getWidth())*width);
    }

    /**
     * Get the proper sample size to meet minimization restraints
     * @param dim
     * @param min
     * @param multipleOf2 for fastest processing it is recommended that the sample size be a multiple of 2
     * @return
     */
    public static int getSampleSize(ImageProcessing.Dimensions dim, ImageProcessing.Minimize min, boolean multipleOf2){
        switch(min.type){
        case WIDTH:
            return ImageProcessing.getMaxSampleSize(dim.width, min.minWidth, multipleOf2);
        case HEIGHT:
            return ImageProcessing.getMaxSampleSize(dim.height, min.minHeight, multipleOf2);
        case BOTH:
            int widthMaxSampleSize=ImageProcessing.getMaxSampleSize(dim.width, min.minWidth, multipleOf2);
            int heightMaxSampleSize=ImageProcessing.getMaxSampleSize(dim.height, min.minHeight, multipleOf2);
            // Return the smaller of the two
            if(widthMaxSampleSize<heightMaxSampleSize){
                return widthMaxSampleSize;
            }else{
                return heightMaxSampleSize;
            }
        case MAX:
            // Find the larger dimension and go bases on that
            if(dim.width>dim.height){
                return ImageProcessing.getMaxSampleSize(dim.width, min.minDim, multipleOf2);
            }else{
                return ImageProcessing.getMaxSampleSize(dim.height, min.minDim, multipleOf2);
            }
        }
        return 1;
    }

    public static int getMaxSampleSize(int dim, int min, boolean multipleOf2){
        int add=multipleOf2 ? 2 : 1;
        int size=0;
        while(min<(dim/(size+add))){
            size+=add;
        }
        size = size==0 ? 1 : size;
        return size;        
    }

    public static class Dimensions {
        int width;
        int height;

        public Dimensions(int width, int height) {
            super();
            this.width = width;
            this.height = height;
        }

        @Override
        public String toString() {
            return width+" x "+height;
        }
    }

    public static class Minimize {
        public enum Type {
            WIDTH,HEIGHT,BOTH,MAX
        }
        Integer minWidth;
        Integer minHeight;
        Integer minDim;
        Type type;

        public Minimize(int min, Type type) {
            super();
            this.type = type;
            switch(type){
            case WIDTH:
                this.minWidth=min;
                break;
            case HEIGHT:
                this.minHeight=min;
                break;
            case BOTH:
                this.minWidth=min;
                this.minHeight=min;
                break;
            case MAX:
                this.minDim=min;
                break;
            }
        }

        public Minimize(int minWidth, int minHeight) {
            super();
            this.type=Type.BOTH;
            this.minWidth = minWidth;
            this.minHeight = minHeight;
        }

    }

    /**
     * Estimates size of Bitmap in bytes depending on dimensions and Bitmap.Config
     * @param width
     * @param height
     * @param config
     * @return
     */
    public static long estimateBitmapBytes(int width, int height, Bitmap.Config config){
        long pixels=width*height;
        switch(config){
        case ALPHA_8: // 1 byte per pixel
            return pixels;
        case ARGB_4444: // 2 bytes per pixel, but depreciated
            return pixels*2;
        case ARGB_8888: // 4 bytes per pixel
            return pixels*4;
        case RGB_565: // 2 bytes per pixel
            return pixels*2;
        default:
            return pixels;
        }
    }

    private static BitmapFactory.Options getOptionsForDimensions(){
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds=true;
        return options;
    }

    private static BitmapFactory.Options getOptionsForSampling(int sampleSize, Bitmap.Config bitmapConfig){
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = false;
        options.inDither = false;
        options.inSampleSize = sampleSize;
        options.inScaled = false;
        options.inPreferredConfig = bitmapConfig;
        return options;
    }
}

Try this

This is from sdcard

ImageView image = (ImageView) findViewById(R.id.test_image);
Bitmap bMap = BitmapFactory.decodeFile("/sdcard/test2.png");
image.setImageBitmap(bMap);

This is from resources

Bitmap bMap = BitmapFactory.decodeResource(getResources(), R.drawable.icon);

If the image is too large and you can't save&load it to the storage, you should consider just using a global static reference to the bitmap (inside the receiving activity), which will be reset to null on onDestory, only if "isChangingConfigurations" returns true.

Few hints to handle such error/exception for Android Apps:

1. Activities & Application have methods like:

   • onLowMemory
   • onTrimMemory Handle these methods to watch on memory usage.

2. tag in Manifest can have attribute 'largeHeap' set to TRUE, which requests more heap for App sandbox.

3. Managing in-memory caching & disk caching:

   • Images and other data could have been cached in-memory while app running, (locally in activities/fragment and globally); should be managed or removed.

4. Use of WeakReference, SoftReference of Java instance creation , specifically to files.

5. If so many images, use proper library/data structure which can manage memory, use samling of images loaded, handle disk-caching.

6. Handle OutOfMemory exception

7. Follow best practices for coding

   • Leaking of memory (Don't hold everything with strong reference)

8. Minimize activity stack e.g. number of activities in stack (Don't hold everything on context/activty)

   • Context makes sense, those data/instances not required out of scope (activity and fragments), hold them into appropriate context instead global reference-holding.

9. Minimize the use of statics, many more singletons.

10. Take care of OS basic memory fundametals

    • Memory fragmentation issues

11. Involk GC.Collect() manually sometimes when you are sure that in-memory caching no more needed.

I believe you may simply do:

ImageConverter converter = new ImageConverter();
var bytes = (byte[])converter.ConvertTo(img, typeof(byte[]));

Hope this helps u

class MainActivity : AppCompatActivity() {

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_main)

    // Get the bitmap from assets and display into image view
    val bitmap = assetsToBitmap("tulip.jpg")
    // If bitmap is not null
    bitmap?.let {
        image_view_bitmap.setImageBitmap(bitmap)
    }


    // Click listener for button widget
    button.setOnClickListener{
        if(bitmap!=null){
            // Save the bitmap to a file and display it into image view
            val uri = bitmapToFile(bitmap)
            image_view_file.setImageURI(uri)

            // Display the saved bitmap's uri in text view
            text_view.text = uri.toString()

            // Show a toast message
            toast("Bitmap saved in a file.")
        }else{
            toast("bitmap not found.")
        }
    }
}


// Method to get a bitmap from assets
private fun assetsToBitmap(fileName:String):Bitmap?{
    return try{
        val stream = assets.open(fileName)
        BitmapFactory.decodeStream(stream)
    }catch (e:IOException){
        e.printStackTrace()
        null
    }
}


// Method to save an bitmap to a file
private fun bitmapToFile(bitmap:Bitmap): Uri {
    // Get the context wrapper
    val wrapper = ContextWrapper(applicationContext)

    // Initialize a new file instance to save bitmap object
    var file = wrapper.getDir("Images",Context.MODE_PRIVATE)
    file = File(file,"${UUID.randomUUID()}.jpg")

    try{
        // Compress the bitmap and save in jpg format
        val stream:OutputStream = FileOutputStream(file)
        bitmap.compress(Bitmap.CompressFormat.JPEG,100,stream)
        stream.flush()
        stream.close()
    }catch (e:IOException){
        e.printStackTrace()
    }

    // Return the saved bitmap uri
    return Uri.parse(file.absolutePath)
}

}

1. Right click on properties of Console Application.
2. Check Target framework
3. If it is .Net framework 4.0 Client Profile then change it to .Net Framework 4.0

It works now

Scale a bitmap with a target maximum size and width, while maintaining aspect ratio:

int maxHeight = 2000;
int maxWidth = 2000;    
float scale = Math.min(((float)maxHeight / bitmap.getWidth()), ((float)maxWidth / bitmap.getHeight()));

Matrix matrix = new Matrix();
matrix.postScale(scale, scale);

bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);

So after looking (and using) of the other answers, seems they all handling ColorDrawable and PaintDrawable badly. (Especially on lollipop) seemed that Shaders were tweaked so solid blocks of colors were not handled correctly.

I am using the following code now:

public static Bitmap drawableToBitmap(Drawable drawable) {
    if (drawable instanceof BitmapDrawable) {
        return ((BitmapDrawable) drawable).getBitmap();
    }

    // We ask for the bounds if they have been set as they would be most
    // correct, then we check we are  > 0
    final int width = !drawable.getBounds().isEmpty() ?
            drawable.getBounds().width() : drawable.getIntrinsicWidth();

    final int height = !drawable.getBounds().isEmpty() ?
            drawable.getBounds().height() : drawable.getIntrinsicHeight();

    // Now we check we are > 0
    final Bitmap bitmap = Bitmap.createBitmap(width <= 0 ? 1 : width, height <= 0 ? 1 : height,
            Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
    drawable.draw(canvas);

    return bitmap;
}

Unlike the others, if you call setBounds on the Drawable before asking to turn it into a bitmap, it will draw the bitmap at the correct size!

I have a solution to this. Actually it is a solution to a problem that arises after rotation(Rectangular image doesn't fit ImagView) but it covers your problem too.. Although this Solution has Animation for better or for worse

    int h,w;
    Boolean safe=true;

Getting the parameters of imageView is not possible at initialisation of activity To do so please refer to this solution OR set the dimensions at onClick of a Button Like this

    rotateButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            if(imageView.getRotation()/90%2==0){
                h=imageView.getHeight();
                w=imageView.getWidth();

            }
        .
        .//Insert the code Snippet below here 
       }

And the code to be run when we want to rotate ImageView

if(safe)     
imageView.animate().rotationBy(90).scaleX(imageView.getRotation()/90%2==0?(w*1.0f/h):1).scaleY(imageView.getRotation()/90%2==0?(w*1.0f/h):1).setDuration(2000).setInterpolator(new LinearInterpolator()).setListener(new Animator.AnimatorListener() {
                @Override
                public void onAnimationStart(Animator animation) {
                      safe=false;
                }

                @Override
                public void onAnimationEnd(Animator animation) {
                      safe=true;

                }

                @Override
                public void onAnimationCancel(Animator animation) {

                }

                @Override
                public void onAnimationRepeat(Animator animation) {

                }
            }).start();
        }
    });

This solution is sufficient for the Problem above.Although it will shrink the imageView even if it is not necessary(when height is smaller than Width).If it bothers you,you can add another ternary operator inside scaleX/scaleY.

This is caused because all the changes to the RemoteViews are serialised (e.g. setInt and setImageViewBitmap ). The bitmaps are also serialised into an internal bundle. Unfortunately this bundle has a very small size limit.

You can solve it by scaling down the image size this way:

 public static Bitmap scaleDownBitmap(Bitmap photo, int newHeight, Context context) {

 final float densityMultiplier = context.getResources().getDisplayMetrics().density;        

 int h= (int) (newHeight*densityMultiplier);
 int w= (int) (h * photo.getWidth()/((double) photo.getHeight()));

 photo=Bitmap.createScaledBitmap(photo, w, h, true);

 return photo;
 }

Choose newHeight to be small enough (~100 for every square it should take on the screen) and use it for your widget, and your problem will be solved :)

I'm not sure if you're going to get any huge gains for reasons Jon Skeet pointed out. However, you could try and benchmark the TypeConvert.ConvertTo method and see how it compares to using your current method.

ImageConverter converter = new ImageConverter();
byte[] imgArray = (byte[])converter.ConvertTo(imageIn, typeof(byte[]));

Sounds like you want to use BitmapDrawable

From the documentation:

A Drawable that wraps a bitmap and can be tiled, stretched, or aligned. You can create a BitmapDrawable from a file path, an input stream, through XML inflation, or from a Bitmap object.

public Bitmap getResizedBitmap(Bitmap bm) {
    int width = bm.getWidth();
    int height = bm.getHeight();

    int narrowSize = Math.min(width, height);
    int differ = (int)Math.abs((bm.getHeight() - bm.getWidth())/2.0f);
    width  = (width  == narrowSize) ? 0 : differ;
    height = (width == 0) ? differ : 0;

    Bitmap resizedBitmap = Bitmap.createBitmap(bm, width, height, narrowSize, narrowSize);
    bm.recycle();
    return resizedBitmap;
}

It works in Kotlin after buildDrawingCache() being deprecated

 // convert imageView to bitmap
val bitmap = (imageViewId.getDrawable() as BitmapDrawable).getBitmap()

I wrote a class to handle this, as it seems to be a recurring need in my various projects:

https://github.com/koush/UrlImageViewHelper

UrlImageViewHelper will fill an ImageView with an image that is found at a URL.

The sample will do a Google Image Search and load/show the results asynchronously.

UrlImageViewHelper will automatically download, save, and cache all the image urls the BitmapDrawables. Duplicate urls will not be loaded into memory twice. Bitmap memory is managed by using a weak reference hash table, so as soon as the image is no longer used by you, it will be garbage collected automatically.

Image provides an abstract access to an arbitrary image , it defines a set of methods that can loggically be applied upon any implementation of Image. Its not bounded to any particular image format or implementation . Bitmap is a specific implementation to the image abstract class which encapsulate windows GDI bitmap object. Bitmap is just a specific implementation to the Image abstract class which relay on the GDI bitmap Object.

You could for example , Create your own implementation to the Image abstract , by inheriting from the Image class and implementing the abstract methods.

Anyway , this is just a simple basic use of OOP , it shouldn't be hard to catch.

Here is bitmap extension .convertToByteArray wrote in Kotlin.

/**
 * Convert bitmap to byte array using ByteBuffer.
 */
fun Bitmap.convertToByteArray(): ByteArray {
    //minimum number of bytes that can be used to store this bitmap's pixels
    val size = this.byteCount

    //allocate new instances which will hold bitmap
    val buffer = ByteBuffer.allocate(size)
    val bytes = ByteArray(size)

    //copy the bitmap's pixels into the specified buffer
    this.copyPixelsToBuffer(buffer)

    //rewinds buffer (buffer position is set to zero and the mark is discarded)
    buffer.rewind()

    //transfer bytes from buffer into the given destination array
    buffer.get(bytes)

    //return bitmap's pixels
    return bytes
}

For Kotlin fans:

1. U can create a more generic extension :

 private fun Bitmap.addOverlay(@DimenRes marginTop: Int, @DimenRes marginLeft: Int, overlay: Bitmap): Bitmap? {
        val bitmapWidth = this.width
        val bitmapHeight = this.height
        val marginLeft = shareBitmapWidth - overlay.width - resources.getDimension(marginLeft)
        val finalBitmap = Bitmap.createBitmap(bitmapWidth, bitmapHeight, this
            .config)

        val canvas = Canvas(finalBitmap)
        canvas.drawBitmap(this, Matrix(), null)
        canvas.drawBitmap(overlay, marginLeft, resources.getDimension(marginTop), null)
        return finalBitmap
    }

2. Then use it as follow:

 bitmap.addOverlay( R.dimen.top_margin, R.dimen.left_margin, overlayBitmap)

This is probably simpler than you're thinking:

int w = WIDTH_PX, h = HEIGHT_PX;

Bitmap.Config conf = Bitmap.Config.ARGB_8888; // see other conf types
Bitmap bmp = Bitmap.createBitmap(w, h, conf); // this creates a MUTABLE bitmap
Canvas canvas = new Canvas(bmp);

// ready to draw on that bitmap through that canvas

Here's a series of tutorials I've found on the topic: Drawing with Canvas Series

How about loading it from MemoryStream?

using(MemoryStream memory = new MemoryStream())
{
    bitmap.Save(memory, ImageFormat.Png);
    memory.Position = 0;
    BitmapImage bitmapImage = new BitmapImage();
    bitmapImage.BeginInit();
    bitmapImage.StreamSource = memory;
    bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
    bitmapImage.EndInit();
}

Convert the image to a byte[] and store that in the database.

Add this column to your model:

public byte[] Content { get; set; }

Then convert your image to a byte array and store that like you would any other data:

public byte[] ImageToByteArray(System.Drawing.Image imageIn)
{
    using(var ms = new MemoryStream())
    {
        imageIn.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);

        return ms.ToArray();
    }
}

public Image ByteArrayToImage(byte[] byteArrayIn)
{
     using(var ms = new MemoryStream(byteArrayIn))
     {
         var returnImage = Image.FromStream(ms);

         return returnImage;
     }
}

Source: Fastest way to convert Image to Byte array

var image = new ImageEntity()
{
   Content = ImageToByteArray(image)
};

_context.Images.Add(image);
_context.SaveChanges();

When you want to get the image back, get the byte array from the database and use the ByteArrayToImage and do what you wish with the Image

This stops working when the byte[] gets to big. It will work for files under 100Mb

First Create Bitmap Image

Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.image);

now set bitmap in Notification Builder Icon....

Notification.Builder.setLargeIcon(bmp);

I came back to this problem now that we are finalizing the game and I just thought to post what worked for me.

This is the method for rotating the Matrix:

this.matrix.reset();
this.matrix.setTranslate(this.floatXpos, this.floatYpos);
this.matrix.postRotate((float)this.direction, this.getCenterX(), this.getCenterY()); 

(this.getCenterX() is basically the bitmaps X position + the bitmaps width / 2)

And the method for Drawing the bitmap (called via a RenderManager Class):

canvas.drawBitmap(this.bitmap, this.matrix, null);

So it is prettey straight forward but I find it abit strange that I couldn't get it to work by setRotate followed by postTranslate. Maybe some knows why this doesn't work? Now all the bitmaps rotate properly but it is not without some minor decrease in bitmap quality :/

Anyways, thanks for your help!

Please try this:

byte[] decodedString = Base64.decode(person_object.getPhoto(),Base64.NO_WRAP);
InputStream inputStream  = new ByteArrayInputStream(decodedString);
Bitmap bitmap  = BitmapFactory.decodeStream(inputStream);
user_image.setImageBitmap(bitmap);

In kotlin :

private fun File.writeBitmap(bitmap: Bitmap, format: Bitmap.CompressFormat, quality: Int) {
    outputStream().use { out ->
        bitmap.compress(format, quality, out)
        out.flush()
    }
}

usage example:

File(exportDir, "map.png").writeBitmap(bitmap, Bitmap.CompressFormat.PNG, 85)

The other answers are correct as to "how" to resize them, but I would also thrown in the recommendation to just grab the resolution you are interested in, to begin with. Most Android devices offer a range of resolutions and you should pick one that gives you a file size that you're comfortable with. The biggest reason for this is that the native Android scaling algorithm (as detailed by Jin35 and Padma Kumar) produces pretty crappy results. It's not going to give you Photoshop quality resizing, even downscaling (to say nothing of upscaling, which I know you're not asking about, but that's just a non-starter).

So, you should try their solution and if you're happy with the outcome, great. But if not, I'd write a function that offers a range of width that you're happy with, and looks for that dimension (or whatever's closest) in the device's available picture size array and just set it and use it.

Try both queries (the one with inner and left join) with OPTION (FORCE ORDER) at the end and post the results. OPTION (FORCE ORDER) is a query hint that forces the optimizer to build the execution plan with the join order you provided in the query.

If INNER JOIN starts performing as fast as LEFT JOIN, it's because:

• In a query composed entirely by INNER JOINs, the join order doesn't matter. This gives freedom for the query optimizer to order the joins as it sees fit, so the problem might rely on the optimizer.
• With LEFT JOIN, that's not the case because changing the join order will alter the results of the query. This means the engine must follow the join order you provided on the query, which might be better than the optimized one.

Don't know if this answers your question but I was once in a project that featured highly complex queries making calculations, which completely messed up the optimizer. We had cases where a FORCE ORDER would reduce the execution time of a query from 5 minutes to 10 seconds.

In the first place consider the Small grid, see: http://getbootstrap.com/css/#grid-options. A max container width of 750 px will maybe to small for you (also read: Why does Bootstrap 3 force the container width to certain sizes?)

When using the Small grid use media queries to set the max-container width:

@media (min-width: 768px) { .container { max-width: 750px; } }

Second also read this question: Bootstrap 3 - 940px width grid?, possible duplicate?

12 x 60 = 720px for the columns and 11 x 20 = 220px

there will also a gutter of 20px on both sides of the grid so 220 + 720 + 40 makes 980px

there is 'no' @ColumnWidth

You colums width will be calculated dynamically based on your settings in variables.less. you could set @grid-columns and @grid-gutter-width. The width of a column will be set as a percentage via grid.less in mixins.less:

.calc-grid(@index, @class, @type) when (@type = width) {
  .col-@{class}-@{index} {
    width: percentage((@index / @grid-columns));
  }
}

update Set @grid-gutter-width to 20px;, @container-desktop: 940px;, @container-large-desktop: @container-desktop and recompile bootstrap.

Or you can trigger a custom event when one function completes, then bind it to the document:

function a() {
    // first function code here
    $(document).trigger('function_a_complete');
}

function b() {
    // second function code here
}

$(document).bind('function_a_complete', b);

Using this method, function 'b' can only execute AFTER function 'a', as the trigger only exists when function a is finished executing.

To run function onLoad

jQuery(window).on("load", function(){
    ..code..
});

To run code onDOMContentLoaded (also called onready)

jQuery(document).ready(function(){
    ..code..
});

or the recommended shorthand for onready

jQuery(function($){
    ..code.. ($ is the jQuery object)
});

onready fires when the document has loaded

onload fires when the document and all the associated content, like the images on the page have loaded.

Update 2019-10:

As stated in the issue tracker, Google has been working on a new SDK tools release that runs on current JVMs (9+)!

You can download and use the new Android SDK Command-line Tools (1.0.0) inside Android Studio or by manually downloading them from the Google servers:

• SDK Tools for Linux
• SDK Tools for Mac OS
• SDK Tools for Windows

For the latest versions check the URLs inside the repository.xml.

If you manually unpack the command line tools, take care of placing them in a subfolder inside your $ANDROID_HOME (e.g. $ANDROID_HOME/cmdline-tools/...).

Code :

MediaQuery.of(context).size.width //to get the width of screen
MediaQuery.of(context).size.height //to get height of screen

As of Select2 4.x, it always returns an array, even for non-multi select lists.

var data = $('your-original-element').select2('data')
alert(data[0].text);
alert(data[0].id);

For Select2 3.x and lower

Single select:

var data = $('your-original-element').select2('data');
if(data) {
  alert(data.text);
}

Note that when there is no selection, the variable 'data' will be null.

Multi select:

var data = $('your-original-element').select2('data')
alert(data[0].text);
alert(data[0].id);
alert(data[1].text);
alert(data[1].id);

From the 3.x docs:

data Gets or sets the selection. Analogous to val method, but works with objects instead of ids.

data method invoked on a single-select with an unset value will return null, while a data method invoked on an empty multi-select will return [].

var element = document.getElementById("main");
var values = element.childNodes[1].innerText;
alert('the value is:' + values);

To further refine it and retrieve the value Alec for example, use another .childNodes[1]

var element = document.getElementById("main");
var values = element.childNodes[1].childNodes[1].innerText;
alert('the value is:' + values);

easiest way to append class name using javascript. It can be useful when .siblings() are misbehaving.

document.getElementById('myId').className += ' active';

Use this solution

<!--[if lt IE 9]>
<script src="js/css3-mediaqueries.js"></script>
<link rel="stylesheet" type="text/css" href="css/bootstrap-ie7.css" />
<![endif]-->

This string <script src="js/css3-mediaqueries.js"></script> enable mediaqueries. This string <link rel="stylesheet" type="text/css" href="css/bootstrap-ie7.css" /> enable bootstrap fonts.

Tested on Bootstrap 3.3.5

Link to download mediaqieries.js. Link to download bootstrap-ie7.css

Use:

• or "filter_var" from http://php.net/manual/en/function.filter-var.php

var_dump(filter_var('[email protected]', FILTER_VALIDATE_EMAIL));

• or "EmailValidator" from https://github.com/egulias/EmailValidator

$validator = new EmailValidator();
$multipleValidations = new MultipleValidationWithAnd([
    new RFCValidation(),
    new DNSCheckValidation()
]);
$validator->isValid("[email protected]", $multipleValidations); //true

Try this:

var momentObj = $("#start_ts").datepicker("getDate");

var yourDate = momentObj.format('L');

"Whitespace" includes space, tabs, and CRLF. So an elegant and one-liner string function we can use is str.translate:

Python 3

' hello  apple '.translate(str.maketrans('', '', ' \n\t\r'))

OR if you want to be thorough:

import string
' hello  apple'.translate(str.maketrans('', '', string.whitespace))

Python 2

' hello  apple'.translate(None, ' \n\t\r')

OR if you want to be thorough:

import string
' hello  apple'.translate(None, string.whitespace)

GET and POST are two different types of HTTP requests.

According to Wikipedia:

GET requests a representation of the specified resource. Note that GET should not be used for operations that cause side-effects, such as using it for taking actions in web applications. One reason for this is that GET may be used arbitrarily by robots or crawlers, which should not need to consider the side effects that a request should cause.

and

POST submits data to be processed (e.g., from an HTML form) to the identified resource. The data is included in the body of the request. This may result in the creation of a new resource or the updates of existing resources or both.

So essentially GET is used to retrieve remote data, and POST is used to insert/update remote data.

In addition to explaining the intended uses of each method, the spec also provides at least one practical reason for why GET should only be used to retrieve data:

Authors of services which use the HTTP protocol SHOULD NOT use GET based forms for the submission of sensitive data, because this will cause this data to be encoded in the Request-URI. Many existing servers, proxies, and user agents will log the request URI in some place where it might be visible to third parties. Servers can use POST-based form submission instead

I use the old PHP way..It unsets all session variables and doesn't require to specify each one of them in an array. And after unsetting the variables we destroy the session

@Paul Cavacas, I had the same issue and I solved by setting the Input() decorator above the getter.

  @Input('allowDays')
  get in(): any {
    return this._allowDays;
  }

  //@Input('allowDays')
  // not working
  set in(val) {
    console.log('allowDays = '+val);
    this._allowDays = val;
  }

See this plunker: https://plnkr.co/edit/6miSutgTe9sfEMCb8N4p?p=preview

above the picture,you can get the right way.

The get method of a dict (like for example characters) works just like indexing the dict, except that, if the key is missing, instead of raising a KeyError it returns the default value (if you call .get with just one argument, the key, the default value is None).

So an equivalent Python function (where calling myget(d, k, v) is just like d.get(k, v) might be:

def myget(d, k, v=None):
  try: return d[k]
  except KeyError: return v

The sample code in your question is clearly trying to count the number of occurrences of each character: if it already has a count for a given character, get returns it (so it's just incremented by one), else get returns 0 (so the incrementing correctly gives 1 at a character's first occurrence in the string).

I got similar error (org.aspectj.apache.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 15) while using aspectj 1.8.13. Solution was to align all compilation into jdk 8 and being careful not to put aspectj library's (1.6.13 for instance) other versions to buildpath/classpath.

use

pattern.compile("\"");
String s= p.toString()+"yourcontent"+p.toString();

will give result as yourcontent as is

If you have some tiles that exceed the bounds of your diamond, I recommend drawing in depth order:

...1...
..234..
.56789.
..abc..
...d...

<IF>
    <CONDITIONS>
        <CONDITION field="time" from="5pm" to="9pm"></CONDITION>
    </CONDITIONS>
    <RESULTS><...some actions defined.../></RESULTS>
    <ELSE>
        <RESULTS><...some other actions defined.../></RESULTS>        
    </ELSE>
</IF>

Here's my take on it. This will allow you to have multiple conditions.

Online tools to translate Apache .htaccess to Nginx rewrite tools include:

• http://winginx.com/htaccess
• http://www.anilcetin.com/convert-apache-htaccess-to-nginx/

Note that these tools will convert to equivalent rewrite expressions using if statements, but they should be converted to try_files. See:

• http://wiki.nginx.org/NginxHttpCoreModule#try_files

@ruchira ur solution it self is best.But i think if it is only about integer and a string we can do it in much easy and simple way..

 class B {   
    public String myfun() {         
        int a=2;           //Integer .. you could use scanner or pass parameters ..i have simply assigned
        String b="hi";      //String
        return Integer.toString(a)+","+b; //returnig string and int with "," in middle          
    }       
}

class A {    
    public static void main(String args[]){

        B obj=new B();  // obj of class B with myfun() method  
        String returned[]=obj.myfun().split(",");
             //splitting integer and string values with "," and storing them in array   
        int b1=Integer.parseInt(returned[0]); //converting first value in array to integer.    
        System.out.println(returned[0]); //printing integer    
        System.out.println(returned[1]); //printing String
    }
}

i hope it was useful.. :)

The approach I would take is: when reading the chapters from the database, instead of a collection of chapters, use a collection of books. This will have your chapters organised into books and you'll be able to use information from both classes to present the information to the user (you can even present it in a hierarchical way easily when using this approach).

Cause: The error occurred since hibernate is not able to connect to the database.
Solution:
1. Please ensure that you have a database present at the server referred to in the configuration file eg. "hibernatedb" in this case.
2. Please see if the username and password for connecting to the db are correct.
3. Check if relevant jars required for the connection are mapped to the project.

EDIT 7/1/15:

I wrote this answer a pretty long time ago and haven't been keeping up a lot with angular for a while, but it seems as though this answer is still relatively popular, so I wanted to point out that a couple of the point @nicolas makes below are good. For one, injecting $rootScope and attaching the helpers there will keep you from having to add them for every controller. Also - I agree that if what you're adding should be thought of as Angular services OR filters, they should be adopted into the code in that manner.

Also, as of the current version 1.4.2, Angular exposes a "Provider" API, which is allowed to be injected into config blocks. See these resources for more:

https://docs.angularjs.org/guide/module#module-loading-dependencies

AngularJS dependency injection of value inside of module.config

I don't think I'm going to update the actual code blocks below, because I'm not really actively using Angular these days and I don't really want to hazard a new answer without feeling comfortable that it's actually conforming to new best practices. If someone else feels up to it, by all means go for it.

EDIT 2/3/14:

After thinking about this and reading some of the other answers, I actually think I prefer a variation of the method brought up by @Brent Washburne and @Amogh Talpallikar. Especially if you're looking for utilities like isNotString() or similar. One of the clear advantages here is that you can re-use them outside of your angular code and you can use them inside of your config function (which you can't do with services).

That being said, if you're looking for a generic way to re-use what should properly be services, the old answer I think is still a good one.

What I would do now is:

app.js:

var MyNamespace = MyNamespace || {};

 MyNamespace.helpers = {
   isNotString: function(str) {
     return (typeof str !== "string");
   }
 };

 angular.module('app', ['app.controllers', 'app.services']).                             
   config(['$routeProvider', function($routeProvider) {
     // Routing stuff here...
   }]);

controller.js:

angular.module('app.controllers', []).                                                                                                                                                                                  
  controller('firstCtrl', ['$scope', function($scope) {
    $scope.helpers = MyNamespace.helpers;
  });

Then in your partial you can use:

<button data-ng-click="console.log(helpers.isNotString('this is a string'))">Log String Test</button>

Old answer below:

It might be best to include them as a service. If you're going to re-use them across multiple controllers, including them as a service will keep you from having to repeat code.

If you'd like to use the service functions in your html partial, then you should add them to that controller's scope:

$scope.doSomething = ServiceName.functionName;

Then in your partial you can use:

<button data-ng-click="doSomething()">Do Something</button>

Here's a way you might keep this all organized and free from too much hassle:

Separate your controller, service and routing code/config into three files: controllers.js, services.js, and app.js. The top layer module is "app", which has app.controllers and app.services as dependencies. Then app.controllers and app.services can be declared as modules in their own files. This organizational structure is just taken from Angular Seed:

app.js:

 angular.module('app', ['app.controllers', 'app.services']).                             
   config(['$routeProvider', function($routeProvider) {
     // Routing stuff here...
   }]);  

services.js:

 /* Generic Services */                                                                                                                                                                                                    
 angular.module('app.services', [])                                                                                                                                                                        
   .factory("genericServices", function() {                                                                                                                                                   
     return {                                                                                                                                                                                                              
       doSomething: function() {   
         //Do something here
       },
       doSomethingElse: function() {
         //Do something else here
       }
    });

controller.js:

angular.module('app.controllers', []).                                                                                                                                                                                  
  controller('firstCtrl', ['$scope', 'genericServices', function($scope, genericServices) {
    $scope.genericServices = genericServices;
  });

Then in your partial you can use:

<button data-ng-click="genericServices.doSomething()">Do Something</button>
<button data-ng-click="genericServices.doSomethingElse()">Do Something Else</button>

That way you only add one line of code to each controller and are able to access any of the services functions wherever that scope is accessible.

To create multiple sub-folders

mkdir -p parentfolder/{subfolder1,subfolder2,subfolder3}

For the future generations, if you want a solution that answers 1-6 and does 7 in a way that allows resize beyond to original size, I have developed a complete solution for this problem:

<!DOCTYPE html>
<html>
  <body style="overflow:hidden; margin:0; text-align:center;">
    <img src="https://file-examples-com.github.io/uploads/2017/10/file_example_JPG_2500kB.jpg" style="height:100vh; max-width:100%; object-fit: contain;">
  </body>
</html>

I dissent from both the answers. Don't create a reference at all, but use late binding:

  Dim objExcelApp As Object
  Dim wb As Object

  Sub Initialize()
    Set objExcelApp = CreateObject("Excel.Application")
  End Sub

  Sub ProcessDataWorkbook()
     Set wb = objExcelApp.Workbooks.Open("path to my workbook")
     Dim ws As Object
     Set ws = wb.Sheets(1)

     ws.Cells(1, 1).Value = "Hello"
     ws.Cells(1, 2).Value = "World"

     'Close the workbook
     wb.Close
     Set wb = Nothing
  End Sub

You will note that the only difference in the code above is that the variables are all declared as objects and you instantiate the Excel instance with CreateObject().

This code will run no matter what version of Excel is installed, while using a reference can easily cause your code to break if there's a different version of Excel installed, or if it's installed in a different location.

Also, the error handling could be added to the code above so that if the initial instantiation of the Excel instance fails (say, because Excel is not installed or not properly registered), your code can continue. With a reference set, your whole Access application will fail if Excel is not installed.

In your operation in your initial question, you are performing the following operation:

item1.attr - item2.attr

So, assuming those are numbers (i.e. item1.attr = "1", item2.attr = "2") You still may use the "===" operator (or other strict evaluators) provided that you ensure type. The following should work:

return parseInt(item1.attr) - parseInt(item2.attr);

If they are alphaNumeric, then do use localCompare().

refs: http://momentjs.com/docs/#/parsing/string/

If you use moment.js, you can use "string" + "format" mode

moment(String, String);
moment(String, String, String);
moment(String, String, Boolean);
moment(String, String, String, Boolean);

ex:

moment("12-25-1995", "MM-DD-YYYY");

On rails 4.2, to remove all data but preserve the database

$ bin/rake db:purge && bin/rake db:schema:load

https://github.com/rails/rails/blob/4-2-stable/activerecord/CHANGELOG.md

The right query:

drop table #tmp_table

select new_acc_no, count(new_acc_no) as count1
into #tmp_table
from table
where unit_id = '0007' 
group by unit_id, new_acc_no
having count(new_acc_no) > 1

I'm guessing the question you really care about here is:

Is there a way to force Python to release all the memory that was used (if you know you won't be using that much memory again)?

No, there is not. But there is an easy workaround: child processes.

If you need 500MB of temporary storage for 5 minutes, but after that you need to run for another 2 hours and won't touch that much memory ever again, spawn a child process to do the memory-intensive work. When the child process goes away, the memory gets released.

This isn't completely trivial and free, but it's pretty easy and cheap, which is usually good enough for the trade to be worthwhile.

First, the easiest way to create a child process is with concurrent.futures (or, for 3.1 and earlier, the futures backport on PyPI):

with concurrent.futures.ProcessPoolExecutor(max_workers=1) as executor:
    result = executor.submit(func, *args, **kwargs).result()

If you need a little more control, use the multiprocessing module.

The costs are:

• Process startup is kind of slow on some platforms, notably Windows. We're talking milliseconds here, not minutes, and if you're spinning up one child to do 300 seconds' worth of work, you won't even notice it. But it's not free.
• If the large amount of temporary memory you use really is large, doing this can cause your main program to get swapped out. Of course you're saving time in the long run, because that if that memory hung around forever it would have to lead to swapping at some point. But this can turn gradual slowness into very noticeable all-at-once (and early) delays in some use cases.
• Sending large amounts of data between processes can be slow. Again, if you're talking about sending over 2K of arguments and getting back 64K of results, you won't even notice it, but if you're sending and receiving large amounts of data, you'll want to use some other mechanism (a file, mmapped or otherwise; the shared-memory APIs in multiprocessing; etc.).
• Sending large amounts of data between processes means the data have to be pickleable (or, if you stick them in a file or shared memory, struct-able or ideally ctypes-able).

Program prints ab, goes back one character and prints si overwriting the b resulting asi. Carriage return returns the caret to the first column of the current line. That means the ha will be printed over as and the result is hai

Try quitting Visual Studio, delete the relevant pubxml.user file in your PublishProfiles directory, restart VS and publish. Worked on VS 2019.

I had the same issue however with doing an upload of a very large file using a python-requests client posting to a nginx+uwsgi backend.

What ended up being the cause was the the backend had a cap on the max file size for uploads lower than what the client was trying to send.

The error never showed up in our uwsgi logs since this limit was actually one imposed by nginx.

Upping the limit in nginx removed the error.

You need to set the selected attribute of the correct option tag:

<option value="January" selected="selected">January</option>

Your PHP would look something like this:

<option value="January"<?=$row['month'] == 'January' ? ' selected="selected"' : '';?>>January</option>

I usually find it neater to create an array of values and loop through that to create a dropdown.

Use the .text() function:

var text = $("<p> example ive got a string</P>").text();

Update: As Brilliand points out below, if the input string does not contain any tags and you are unlucky enough, it might be treated as a CSS selector. So this version is more robust:

var text = $("<div/>").html("<p> example ive got a string</P>").text();

before .import command, type ".mode csv"

If you want to format it with manually set symbols, use this:

DecimalFormatSymbols decimalFormatSymbols = new DecimalFormatSymbols();
decimalFormatSymbols.setDecimalSeparator('.');
decimalFormatSymbols.setGroupingSeparator(',');
DecimalFormat decimalFormat = new DecimalFormat("#,##0.00", decimalFormatSymbols);
System.out.println(decimalFormat.format(1237516.2548)); //1,237,516.25

Locale-based formatting is preferred, though.

String name = "Vikash";
String upperCase = name.toUpperCase();
String lowerCase = name.toLowerCase();

Forcing the buttons stay in the same line will make them go beyond the fixed width of the div they are in. If you are okay with that then you can make another div inside the div you already have. The new div in turn will hold the buttons and have the fixed width of however much space the two buttons need to stay in one line.

Here is an example:

<div id="parentDiv" style="width: [less-than-what-buttons-need]px;">
    <div id="holdsButtons" style="width: [>=-than-buttons-need]px;">
       <button id="button1">1</button>
       <button id="button2">2</button>
    </div>
</div>

You may want to consider overflow property for the chunk of the content outside of the parentDiv border.

Good luck!

Use elevation to implement shadows on RN Android. Added elevation prop #27

<View elevation={5}> </View>

If you don't want to use RegEx (which seems highly unnecessary given your problem), perhaps you should try something like this:

public String modified(final String input){
    final StringBuilder builder = new StringBuilder();
    for(final char c : input.toCharArray())
        if(Character.isLetterOrDigit(c))
            builder.append(Character.isLowerCase(c) ? c : Character.toLowerCase(c));
    return builder.toString();
}

It loops through the underlying char[] in the String and only appends the char if it is a letter or digit (filtering out all symbols, which I am assuming is what you are trying to accomplish) and then appends the lower case version of the char.

Here's what u can also try....

run your application....while it is still running launch your command prompt

while your application is running type netstat -n on the command prompt. You should see a list of TCP/IP connections. Check if your list is not very long. Ideally you should have less than 5 connections in the list. Check the status of the connections.
If you have too many connections with a TIME_WAIT status it means the connection has been closed and is waiting for the OS to release the resources. If you are running on Windows, the default ephemeral port rang is between 1024 and 5000 and the default time it takes Windows to release the resource from TIME_WAIT status is 4 minutes. So if your application used more then 3976 connections in less then 4 minutes, you will get the exception you got.

Suggestions to fix it:

1. Add a connection pool to your connection string.

If you continue to receive the same error message (which is highly unlikely) you can then try the following: (Please don't do it if you are not familiar with the Windows registry)

1. Run regedit from your run command. In the registry editor look for this registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters:

Modify the settings so they read:

MaxUserPort = dword:00004e20 (10,000 decimal) TcpTimedWaitDelay = dword:0000001e (30 decimal)

This will increase the number of ports to 10,000 and reduce the time to release freed tcp/ip connections.

Only use suggestion 2 if 1 fails.

Thank you.

The ID is only guaranteed to be generated at flush time. Persisting an entity only makes it "attached" to the persistence context. So, either flush the entity manager explicitely:

em.persist(abc);
em.flush();
return abc.getId();

or return the entity itself rather than its ID. When the transaction ends, the flush will happen, and users of the entity outside of the transaction will thus see the generated ID in the entity.

@Override
public ABC addNewABC(ABC abc) {
    abcDao.insertABC(abc);
    return abc;
}

in an actual SQL query, you just add a newline

INSERT INTO table (text) VALUES ('hi this is some text
and this is a linefeed.
and another');

I am using on the client side socket.disconnect();

client.emit('disconnect') didnt work for me

I am getting day, month and year using dedicated functions moment().date(), moment().month() and moment().year() of momentjs.

let day = moment('2014-07-28', 'YYYY/MM/DD').date();_x000D_
let month = 1 + moment('2014-07-28', 'YYYY/MM/DD').month();_x000D_
let year = moment('2014-07-28', 'YYYY/MM/DD').year();_x000D_
_x000D_
console.log(day);_x000D_
console.log(month);_x000D_
console.log(year);

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.1/moment.min.js"></script>

I don't know why there are 48 upvotes for @Chris Schmitz answer which is not 100% correct.

Month is in form of array and starts from 0 so to get exact value we should use 1 + moment().month()

I'm using Visual Studio 2017.

1. Go to dropdown box build.
2. Choose Pubish Guessing Game (or whatever your project is called.
3. Wiz Box opens so tell it where to publish it and click Next.
4. Choose how to install (I usually choose CD-ROM). click Next.
5. Choose updates check (I usually choose no check) click Next.
6. Click Finish

It will publish, complete with setup file to the location you specified.

Hope this helps

for more advanced python editing consider installing the simplefold vim plugin. it allows you do advanced code folding using regular expressions. i use it to fold my class and method definitions for faster editing.

Use ctags. Generate a tags file, and tell vim where it is using the :tags command. Then you can just jump to the function definition using Ctrl-]

There are more tags tricks and tips in this question.

From this reference:

If you acquire a table lock explicitly with LOCK TABLES, you can request a READ LOCAL lock rather than a READ lock to enable other sessions to perform concurrent inserts while you have the table locked.

For this particular case it's better to do a = None instead of del a. This will decrement reference count to object a was (if any) assigned to and won't fail when a is not defined. Note, that del statement doesn't call destructor of an object directly, but unbind it from variable. Destructor of object is called when reference count became zero.

Here some guide how to fix it. Go to :

cd /var/www

sudo chown www-data:www-data * -R

sudo usermod -a -G www-data username

Change userneme with your username. I hope it help.

Use below style modification to remove border for Primefaces radio button

.ui-selectoneradio td, .ui-selectoneradio tr
{
    border-style: none !important
}

I used this solution, which I think is better than onWindowFocusChanged(). If you open a DialogFragment, then rotate the phone, onWindowFocusChanged will be called only when the user closes the dialog):

    yourView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {

        @Override
        public void onGlobalLayout() {
            // Ensure you call it only once :
            yourView.getViewTreeObserver().removeGlobalOnLayoutListener(this);

            // Here you can get the size :)
        }
    });

Edit : as removeGlobalOnLayoutListener is deprecated, you should now do :

@SuppressLint("NewApi")
@SuppressWarnings("deprecation")
@Override
public void onGlobalLayout() {

    // Ensure you call it only once :
    if(android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) {
        yourView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
    }
    else {
        yourView.getViewTreeObserver().removeGlobalOnLayoutListener(this);
    }

    // Here you can get the size :)
}

Adding to jelovirt's answer, you can use number() to convert the value to a number, then round(), floor(), or ceiling() to get a whole integer.

Example

<xsl:variable name="MyValAsText" select="'5.14'"/>
<xsl:value-of select="number($MyValAsText) * 2"/> <!-- This outputs 10.28 -->
<xsl:value-of select="floor($MyValAsText)"/> <!-- outputs 5 -->
<xsl:value-of select="ceiling($MyValAsText)"/> <!-- outputs 6 -->
<xsl:value-of select="round($MyValAsText)"/> <!-- outputs 5 -->

You may want to check out the mySQL docs in regard to the date functions. http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html

There is a YEAR() function just as there is a MONTH() function. If you're doing a comparison though is there a reason to chop up the date? Are you truly interested in ignoring day based differences and if so is this how you want to do it?

I like TryingToImprove's answer. I've essentially taken his answer and simplified it down to the barebones css to accomplish the same thing. I think it's a lot easier to chew on.

HTML:

<div class="content">
    <img src="http://placehold.it/182x121"/> 
    <a href="#">Counter-Strike 1.6 Steam</a>
</div>        

CSS:

.content{    
    display:inline-block;
    position:relative;
}

.content a {
    position:absolute;
    bottom:5px;
    right:5px;
}

Working fiddle here.

I only just noticed this question, and wanted to add my $.02 to this.

In case of Java, this is not actually an option. The "unreachable code" error doesn't come from the fact that JVM developers thought to protect developers from anything, or be extra vigilant, but from the requirements of the JVM specification.

Both Java compiler, and JVM, use what is called "stack maps" - a definite information about all of the items on the stack, as allocated for the current method. The type of each and every slot of the stack must be known, so that a JVM instruction doesn't mistreat item of one type for another type. This is mostly important for preventing having a numeric value ever being used as a pointer. It's possible, using Java assembly, to try to push/store a number, but then pop/load an object reference. However, JVM will reject this code during class validation,- that is when stack maps are being created and tested for consistency.

To verify the stack maps, the VM has to walk through all the code paths that exist in a method, and make sure that no matter which code path will ever be executed, the stack data for every instruction agrees with what any previous code has pushed/stored in the stack. So, in simple case of:

Object a;
if (something) { a = new Object(); } else { a = new String(); }
System.out.println(a);

at line 3, JVM will check that both branches of 'if' have only stored into a (which is just local var#0) something that is compatible with Object (since that's how code from line 3 and on will treat local var#0).

When compiler gets to an unreachable code, it doesn't quite know what state the stack might be at that point, so it can't verify its state. It can't quite compile the code anymore at that point, as it can't keep track of local variables either, so instead of leaving this ambiguity in the class file, it produces a fatal error.

Of course a simple condition like if (1<2) will fool it, but it's not really fooling - it's giving it a potential branch that can lead to the code, and at least both the compiler and the VM can determine, how the stack items can be used from there on.

P.S. I don't know what .NET does in this case, but I believe it will fail compilation as well. This normally will not be a problem for any machine code compilers (C, C++, Obj-C, etc.)

  public static void main(String[] args) {
    char ch='m';
    String str="Hello",k=String.valueOf(ch),b,c;

    System.out.println(str);

    int index=3;
    b=str.substring(0,index-1 );
    c=str.substring(index-1,str.length());
    str=b+k+c;
}

you can use sync storage that is easier to use than async storage. this library is great that uses async storage to save data asynchronously and uses memory to load and save data instantly synchronously, so we save data async to memory and use in app sync, so this is great.

import SyncStorage from 'sync-storage';

SyncStorage.set('foo', 'bar');
const result = SyncStorage.get('foo');
console.log(result); // 'bar'

You can also request for access programmatically, which I prefer because in most cases you need to know if you took the access or not.

Swift 4 update:

    //Camera
    AVCaptureDevice.requestAccess(for: AVMediaType.video) { response in
        if response {
            //access granted
        } else {

        }
    }

    //Photos
    let photos = PHPhotoLibrary.authorizationStatus()
    if photos == .notDetermined {
        PHPhotoLibrary.requestAuthorization({status in
            if status == .authorized{
                ...
            } else {}
        })
    }

You do not share code so I cannot be sure if this would be useful for you, but general speaking use it as a best practice.

What's the pythonic way to use getters and setters?

The "Pythonic" way is not to use "getters" and "setters", but to use plain attributes, like the question demonstrates, and del for deleting (but the names are changed to protect the innocent... builtins):

value = 'something'

obj.attribute = value  
value = obj.attribute
del obj.attribute

If later, you want to modify the setting and getting, you can do so without having to alter user code, by using the property decorator:

class Obj:
    """property demo"""
    #
    @property            # first decorate the getter method
    def attribute(self): # This getter method name is *the* name
        return self._attribute
    #
    @attribute.setter    # the property decorates with `.setter` now
    def attribute(self, value):   # name, e.g. "attribute", is the same
        self._attribute = value   # the "value" name isn't special
    #
    @attribute.deleter     # decorate with `.deleter`
    def attribute(self):   # again, the method name is the same
        del self._attribute

(Each decorator usage copies and updates the prior property object, so note that you should use the same name for each set, get, and delete function/method.

After defining the above, the original setting, getting, and deleting code is the same:

obj = Obj()
obj.attribute = value  
the_value = obj.attribute
del obj.attribute

You should avoid this:

def set_property(property,value):  
def get_property(property):  

Firstly, the above doesn't work, because you don't provide an argument for the instance that the property would be set to (usually self), which would be:

class Obj:

    def set_property(self, property, value): # don't do this
        ...
    def get_property(self, property):        # don't do this either
        ...

Secondly, this duplicates the purpose of two special methods, __setattr__ and __getattr__.

Thirdly, we also have the setattr and getattr builtin functions.

setattr(object, 'property_name', value)
getattr(object, 'property_name', default_value)  # default is optional

The @property decorator is for creating getters and setters.

For example, we could modify the setting behavior to place restrictions the value being set:

class Protective(object):

    @property
    def protected_value(self):
        return self._protected_value

    @protected_value.setter
    def protected_value(self, value):
        if acceptable(value): # e.g. type or range check
            self._protected_value = value

In general, we want to avoid using property and just use direct attributes.

This is what is expected by users of Python. Following the rule of least-surprise, you should try to give your users what they expect unless you have a very compelling reason to the contrary.

Demonstration

For example, say we needed our object's protected attribute to be an integer between 0 and 100 inclusive, and prevent its deletion, with appropriate messages to inform the user of its proper usage:

class Protective(object):
    """protected property demo"""
    #
    def __init__(self, start_protected_value=0):
        self.protected_value = start_protected_value
    # 
    @property
    def protected_value(self):
        return self._protected_value
    #
    @protected_value.setter
    def protected_value(self, value):
        if value != int(value):
            raise TypeError("protected_value must be an integer")
        if 0 <= value <= 100:
            self._protected_value = int(value)
        else:
            raise ValueError("protected_value must be " +
                             "between 0 and 100 inclusive")
    #
    @protected_value.deleter
    def protected_value(self):
        raise AttributeError("do not delete, protected_value can be set to 0")

(Note that __init__ refers to self.protected_value but the property methods refer to self._protected_value. This is so that __init__ uses the property through the public API, ensuring it is "protected".)

And usage:

>>> p1 = Protective(3)
>>> p1.protected_value
3
>>> p1 = Protective(5.0)
>>> p1.protected_value
5
>>> p2 = Protective(-5)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 3, in __init__
  File "<stdin>", line 15, in protected_value
ValueError: protectected_value must be between 0 and 100 inclusive
>>> p1.protected_value = 7.3
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 17, in protected_value
TypeError: protected_value must be an integer
>>> p1.protected_value = 101
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 15, in protected_value
ValueError: protectected_value must be between 0 and 100 inclusive
>>> del p1.protected_value
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 18, in protected_value
AttributeError: do not delete, protected_value can be set to 0

Do the names matter?

Yes they do. .setter and .deleter make copies of the original property. This allows subclasses to properly modify behavior without altering the behavior in the parent.

class Obj:
    """property demo"""
    #
    @property
    def get_only(self):
        return self._attribute
    #
    @get_only.setter
    def get_or_set(self, value):
        self._attribute = value
    #
    @get_or_set.deleter
    def get_set_or_delete(self):
        del self._attribute

Now for this to work, you have to use the respective names:

obj = Obj()
# obj.get_only = 'value' # would error
obj.get_or_set = 'value'  
obj.get_set_or_delete = 'new value'
the_value = obj.get_only
del obj.get_set_or_delete
# del obj.get_or_set # would error

I'm not sure where this would be useful, but the use-case is if you want a get, set, and/or delete-only property. Probably best to stick to semantically same property having the same name.

Conclusion

Start with simple attributes.

If you later need functionality around the setting, getting, and deleting, you can add it with the property decorator.

Avoid functions named set_... and get_... - that's what properties are for.

For security code, please don't generate your tokens this way: $token = md5(uniqid(rand(), TRUE));

• rand() is predictable
• uniqid() only adds up to 29 bits of entropy
• md5() doesn't add entropy, it just mixes it deterministically

Try this out:

Generating a CSRF Token

PHP 7

session_start();
if (empty($_SESSION['token'])) {
    $_SESSION['token'] = bin2hex(random_bytes(32));
}
$token = $_SESSION['token'];

Sidenote: One of my employer's open source projects is an initiative to backport random_bytes() and random_int() into PHP 5 projects. It's MIT licensed and available on Github and Composer as paragonie/random_compat.

PHP 5.3+ (or with ext-mcrypt)

session_start();
if (empty($_SESSION['token'])) {
    if (function_exists('mcrypt_create_iv')) {
        $_SESSION['token'] = bin2hex(mcrypt_create_iv(32, MCRYPT_DEV_URANDOM));
    } else {
        $_SESSION['token'] = bin2hex(openssl_random_pseudo_bytes(32));
    }
}
$token = $_SESSION['token'];

Verifying the CSRF Token

Don't just use == or even ===, use hash_equals() (PHP 5.6+ only, but available to earlier versions with the hash-compat library).

if (!empty($_POST['token'])) {
    if (hash_equals($_SESSION['token'], $_POST['token'])) {
         // Proceed to process the form data
    } else {
         // Log this as a warning and keep an eye on these attempts
    }
}

Going Further with Per-Form Tokens

You can further restrict tokens to only be available for a particular form by using hash_hmac(). HMAC is a particular keyed hash function that is safe to use, even with weaker hash functions (e.g. MD5). However, I recommend using the SHA-2 family of hash functions instead.

First, generate a second token for use as an HMAC key, then use logic like this to render it:

<input type="hidden" name="token" value="<?php
    echo hash_hmac('sha256', '/my_form.php', $_SESSION['second_token']);
?>" />

And then using a congruent operation when verifying the token:

$calc = hash_hmac('sha256', '/my_form.php', $_SESSION['second_token']);
if (hash_equals($calc, $_POST['token'])) {
    // Continue...
}

The tokens generated for one form cannot be reused in another context without knowing $_SESSION['second_token']. It is important that you use a separate token as an HMAC key than the one you just drop on the page.

Bonus: Hybrid Approach + Twig Integration

Anyone who uses the Twig templating engine can benefit from a simplified dual strategy by adding this filter to their Twig environment:

$twigEnv->addFunction(
    new \Twig_SimpleFunction(
        'form_token',
        function($lock_to = null) {
            if (empty($_SESSION['token'])) {
                $_SESSION['token'] = bin2hex(random_bytes(32));
            }
            if (empty($_SESSION['token2'])) {
                $_SESSION['token2'] = random_bytes(32);
            }
            if (empty($lock_to)) {
                return $_SESSION['token'];
            }
            return hash_hmac('sha256', $lock_to, $_SESSION['token2']);
        }
    )
);

With this Twig function, you can use both the general purpose tokens like so:

<input type="hidden" name="token" value="{{ form_token() }}" />

Or the locked down variant:

<input type="hidden" name="token" value="{{ form_token('/my_form.php') }}" />

Twig is only concerned with template rendering; you still must validate the tokens properly. In my opinion, the Twig strategy offers greater flexibility and simplicity, while maintaining the possibility for maximum security.

Single-Use CSRF Tokens

If you have a security requirement that each CSRF token is allowed to be usable exactly once, the simplest strategy regenerate it after each successful validation. However, doing so will invalidate every previous token which doesn't mix well with people who browse multiple tabs at once.

Paragon Initiative Enterprises maintains an Anti-CSRF library for these corner cases. It works with one-use per-form tokens, exclusively. When enough tokens are stored in the session data (default configuration: 65535), it will cycle out the oldest unredeemed tokens first.

You can use a List-Comprehension to make it a one-liner:

[fl.readline() for i in xrange(17)]

More about list comprehension in PEP 202 and in the Python documentation.

You can also manually tag the column with a contrasts attribute, which seems to be respected by the regression functions:

contrasts(df$factorcol) <- contr.treatment(levels(df$factorcol),
   base=which(levels(df$factorcol) == 'RefLevel'))

You can do this using Ajax. I have a function that I use for something like this:

function ajax(elementID,filename,str,post)
{
    var ajax;
    if (window.XMLHttpRequest)
    {
        ajax=new XMLHttpRequest();//IE7+, Firefox, Chrome, Opera, Safari
    }
    else if (ActiveXObject("Microsoft.XMLHTTP"))
    {
        ajax=new ActiveXObject("Microsoft.XMLHTTP");//IE6/5
    }
    else if (ActiveXObject("Msxml2.XMLHTTP"))
    {
        ajax=new ActiveXObject("Msxml2.XMLHTTP");//other
    }
    else
    {
        alert("Error: Your browser does not support AJAX.");
        return false;
    }
    ajax.onreadystatechange=function()
    {
        if (ajax.readyState==4&&ajax.status==200)
        {
            document.getElementById(elementID).innerHTML=ajax.responseText;
        }
    }
    if (post==false)
    {
        ajax.open("GET",filename+str,true);
        ajax.send(null);
    }
    else
    {
        ajax.open("POST",filename,true);
        ajax.setRequestHeader("Content-type","application/x-www-form-urlencoded");
        ajax.send(str);
    }
    return ajax;
}

The first parameter is the element you want to change. The second parameter is the name of the filename you're loading into the element you're changing. The third parameter is the GET or POST data you're using, so for example "total=10000&othernumber=999". The last parameter is true if you want use POST or false if you want to GET.

You can use String#replaceAll() with a pattern of ^\"|\"$ for this.

E.g.

string = string.replaceAll("^\"|\"$", "");

To learn more about regular expressions, have al ook at http://regular-expression.info.

That said, this smells a bit like that you're trying to invent a CSV parser. If so, I'd suggest to look around for existing libraries, such as OpenCSV.

Swift 3:

        static func imageFromColor(color: UIColor, width: CGFloat, height: CGFloat) -> UIImage {
            let rect = CGRect(x: 0, y: 0, width: width, height: height)
            UIGraphicsBeginImageContext(rect.size)
            let context = UIGraphicsGetCurrentContext()!
            context.setFillColor(color.cgColor)
            context.fill(rect)
            let img = UIGraphicsGetImageFromCurrentImageContext()!
            UIGraphicsEndImageContext()
            return img
        }

        let button = UIButton(type: .system)
        let image = imageFromColor(color: .red, width: 
        button.frame.size.width, height: button.frame.size.height)
        button.setBackgroundImage(image, for: .normal)

A magic number can also be a number with special, hardcoded semantics. For example, I once saw a system where record IDs > 0 were treated normally, 0 itself was "new record", -1 was "this is the root" and -99 was "this was created in the root". 0 and -99 would cause the WebService to supply a new ID.

What's bad about this is that you're reusing a space (that of signed integers for record IDs) for special abilities. Maybe you'll never want to create a record with ID 0, or with a negative ID, but even if not, every person who looks either at the code or at the database might stumble on this and be confused at first. It goes without saying those special values weren't well-documented.

Arguably, 22, 7, -12 and 620 count as magic numbers, too. ;-)

In my case, I was inflating a PopupMenu at the very beginning of the activity i.e on onCreate()... I fixed it by putting it in a Handler

  new Handler().postDelayed(new Runnable() {
            @Override
            public void run() {
                PopupMenu popuMenu=new PopupMenu(SplashScreen.this,binding.progressBar);
                popuMenu.inflate(R.menu.bottom_nav_menu);
                popuMenu.show();
            }
        },100);

You can use nvm to install Node.js. It allows you work with different versions without conflicts.

Steps:

• Just download create_table.sql from GitHub and save that file in your system.
• Then go to your phpMyAdmin.
• And click on Import from upper tab.
• At last select create_table.sql and upload that.

After all it works for me and hopefully work for you.

Well, you could argue with the object oriented aspect, the prepared statements, the fact that it becomes a standard, etc. But I know that most of the time, convincing somebody works better with a killer feature. So there it is:

A really nice thing with PDO is you can fetch the data, injecting it automatically in an object. If you don't want to use an ORM (cause it's a just a quick script) but you do like object mapping, it's REALLY cool :

class Student {

    public $id;
    public $first_name;
    public $last_name

    public function getFullName() {
        return $this->first_name.' '.$this->last_name
    }
}

try 
{
    $dbh = new PDO("mysql:host=$hostname;dbname=school", $username, $password)

    $stmt = $dbh->query("SELECT * FROM students");

    /* MAGIC HAPPENS HERE */

    $stmt->setFetchMode(PDO::FETCH_INTO, new Student);


    foreach($stmt as $student)
    {
        echo $student->getFullName().'<br />';
    } 

    $dbh = null;
}
catch(PDOException $e)
{
    echo $e->getMessage();
}

If you have an array of numbers and you want an array of strings, you can write:

strings = ["%.2f" % number for number in numbers]

If your numbers are floats, the array would be an array with the same numbers as strings with two decimals.

>>> a = [1,2,3,4,5]
>>> min_a, max_a = min(a), max(a)
>>> a_normalized = [float(x-min_a)/(max_a-min_a) for x in a]
>>> a_normalized
[0.0, 0.25, 0.5, 0.75, 1.0]
>>> a_strings = ["%.2f" % x for x in a_normalized]
>>> a_strings
['0.00', '0.25', '0.50', '0.75', '1.00']

Notice that it also works with numpy arrays:

>>> a = numpy.array([0.0, 0.25, 0.75, 1.0])
>>> print ["%.2f" % x for x in a]
['0.00', '0.25', '0.50', '0.75', '1.00']

A similar methodology can be used if you have a multi-dimensional array:

new_array = numpy.array(["%.2f" % x for x in old_array.reshape(old_array.size)])
new_array = new_array.reshape(old_array.shape)

Example:

>>> x = numpy.array([[0,0.1,0.2],[0.3,0.4,0.5],[0.6, 0.7, 0.8]])
>>> y = numpy.array(["%.2f" % w for w in x.reshape(x.size)])
>>> y = y.reshape(x.shape)
>>> print y
[['0.00' '0.10' '0.20']
 ['0.30' '0.40' '0.50']
 ['0.60' '0.70' '0.80']]

If you check the Matplotlib example for the function you are using, you will notice they use a similar methodology: build empty matrix and fill it with strings built with the interpolation method. The relevant part of the referenced code is:

colortuple = ('y', 'b')
colors = np.empty(X.shape, dtype=str)
for y in range(ylen):
    for x in range(xlen):
        colors[x, y] = colortuple[(x + y) % len(colortuple)]

surf = ax.plot_surface(X, Y, Z, rstride=1, cstride=1, facecolors=colors,
        linewidth=0, antialiased=False)

This code is deprecated:

Drawable drawable = getResources().getDrawable( R.drawable.icon );

Use this instead:

Drawable drawable = ContextCompat.getDrawable(getApplicationContext(),R.drawable.icon);

To understand how strtok() works, one first need to know what a static variable is. This link explains it quite well....

The key to the operation of strtok() is preserving the location of the last seperator between seccessive calls (that's why strtok() continues to parse the very original string that is passed to it when it is invoked with a null pointer in successive calls)..

Have a look at my own strtok() implementation, called zStrtok(), which has a sligtly different functionality than the one provided by strtok()

char *zStrtok(char *str, const char *delim) {
    static char *static_str=0;      /* var to store last address */
    int index=0, strlength=0;           /* integers for indexes */
    int found = 0;                  /* check if delim is found */

    /* delimiter cannot be NULL
    * if no more char left, return NULL as well
    */
    if (delim==0 || (str == 0 && static_str == 0))
        return 0;

    if (str == 0)
        str = static_str;

    /* get length of string */
    while(str[strlength])
        strlength++;

    /* find the first occurance of delim */
    for (index=0;index<strlength;index++)
        if (str[index]==delim[0]) {
            found=1;
            break;
        }

    /* if delim is not contained in str, return str */
    if (!found) {
        static_str = 0;
        return str;
    }

    /* check for consecutive delimiters
    *if first char is delim, return delim
    */
    if (str[0]==delim[0]) {
        static_str = (str + 1);
        return (char *)delim;
    }

    /* terminate the string
    * this assignmetn requires char[], so str has to
    * be char[] rather than *char
    */
    str[index] = '\0';

    /* save the rest of the string */
    if ((str + index + 1)!=0)
        static_str = (str + index + 1);
    else
        static_str = 0;

        return str;
}

And here is an example usage

  Example Usage
      char str[] = "A,B,,,C";
      printf("1 %s\n",zStrtok(s,","));
      printf("2 %s\n",zStrtok(NULL,","));
      printf("3 %s\n",zStrtok(NULL,","));
      printf("4 %s\n",zStrtok(NULL,","));
      printf("5 %s\n",zStrtok(NULL,","));
      printf("6 %s\n",zStrtok(NULL,","));

  Example Output
      1 A
      2 B
      3 ,
      4 ,
      5 C
      6 (null)

The code is from a string processing library I maintain on Github, called zString. Have a look at the code, or even contribute :) https://github.com/fnoyanisi/zString

Generally speaking, the first way is more popular overall because those with prior programming knowledge can easily transition to PHP and get work done in an object-oriented fashion. The first way is more universal. My advice would be to stick with what is tried and true across many languages. Then, when and if you use another language, you'll be ready to get something accomplished (instead of spending time reinventing the wheel).

Surprisingly there is no accepted answer. The issue only exists in 32-bit PHP.

From the documentation,

If the string does not contain any of the characters '.', 'e', or 'E' and the numeric value fits into integer type limits (as defined by PHP_INT_MAX), the string will be evaluated as an integer. In all other cases it will be evaluated as a float.

In other words, the $string is first interpreted as INT, which cause overflow (The $string value 2968789218 exceeds the maximum value (PHP_INT_MAX) of 32-bit PHP, which is 2147483647.), then evaluated to float by (float) or floatval().

Thus, the solution is:

$string = "2968789218";
echo 'Original: ' . floatval($string) . PHP_EOL;
$string.= ".0";
$float = floatval($string);
echo 'Corrected: ' . $float . PHP_EOL;

which outputs:

Original: 2.00
Corrected: 2968789218

To check whether your PHP is 32-bit or 64-bit, you can:

echo PHP_INT_MAX;

If your PHP is 64-bit, it will print out 9223372036854775807, otherwise it will print out 2147483647.

You should look for the error in the file error_log in the log directory. Maybe there are differences between your local and server configuration (db user/password etc.etc.)

usually the log file is in

/var/log/apache2/error.log

or

/var/log/httpd/error.log

You can use below query to update or create comment on already created table.

SYNTAX:

COMMENT ON COLUMN TableName.ColumnName IS 'comment text';

Example:

COMMENT ON COLUMN TAB_SAMBANGI.MY_COLUMN IS 'This is a comment on my column...';

SQLAlchemy overloads the bitwise operators &, | and ~ so instead of the ugly and hard-to-read prefix syntax with or_() and and_() (like in Bastien's answer) you can use these operators:

.filter((AddressBook.lastname == 'bulger') | (AddressBook.firstname == 'whitey'))

Note that the parentheses are not optional due to the precedence of the bitwise operators.

So your whole query could look like this:

addr = session.query(AddressBook) \
    .filter(AddressBook.city == "boston") \
    .filter((AddressBook.lastname == 'bulger') | (AddressBook.firstname == 'whitey'))

With jQuery:

$('form').submit(function () {
    // Validate here

    if (pass)
        return true;
    else
        return false;
});

Please understand the use case before using this solution:

trim does not work while doing select query

This works

select replace(name , ' ','') from test;

While this doesn't

select trim(name) from test;

The common practice is using @class in header files (but you still need to #import the superclass), and #import in implementation files. This will avoid any circular inclusions, and it just works.

I had a similar issue, where I had one div holding the image, and one div holding the text. The reason mine wasn't working, was that the div holding the image had display: inline-block while the div holding the text had display: inline.

I changed it to both be display: inline and it worked.

Here's a solution for a basic header section with a logo, title and tagline:

HTML

<div class="site-branding">
  <div class="site-branding-logo">
    <img src="add/Your/URI/Here" alt="what Is The Image About?" />
  </div>
</div>
<div class="site-branding-text">
  <h1 id="site-title">Site Title</h1>
  <h2 id="site-tagline">Site Tagline</h2>
</div>

CSS

div.site-branding { /* Position Logo and Text  */
  display: inline-block;
  vertical-align: middle;
}

div.site-branding-logo { /* Position logo within site-branding */
  display: inline;
  vertical-align: middle;
}

div.site-branding-text { /* Position text within site-branding */
    display: inline;
    width: 350px;
    margin: auto 0;
    vertical-align: middle;
}

div.site-branding-title { /* Position title within text */
    display: inline;
}

div.site-branding-tagline { /* Position tagline within text */
    display: block;
}

What finally worked was setting the http_proxy environment variable. I had set HTTP_PROXY correctly, but git apparently likes the lower-case version better.

You need to put them both in some container element and then apply the alignment on it.

For example:

.formfield * {_x000D_
  vertical-align: middle;_x000D_
}

<p class="formfield">_x000D_
  <label for="textarea">Label for textarea</label>_x000D_
  <textarea id="textarea" rows="5">Textarea</textarea>_x000D_
</p>

You have two choices, depending on your table order

create table aa (sht int)
create table cc (sht int)
create table cd (sht int)
create table ab (sht int)

-- type 1    
select * from cd
inner join cc on cd.sht = cc.sht
LEFT JOIN ab ON ab.sht = cd.sht
LEFT JOIN aa ON aa.sht = cc.sht

-- type 2
select * from cc
inner join cc on cd.sht = cc.sht
LEFT JOIN ab
LEFT JOIN aa
ON aa.sht = ab.sht
ON ab.sht = cd.sht

try this ...

$("#txtAreaID").bind("keyup", function(event, ui) {                          

              // Write your code here       
 });

The new version of SharePoint and Office (SharePoint 2010 and Office 2010) respectively are supposed to allow for this. This also includes the web based versions. I have seen Word and Excel in action do this, not sure about other client applications.

I am not sure about the specific implementation features you are asking about in terms of security though. Sorry.,=

Here is a discussion

http://blogs.msdn.com/b/sharepoint/archive/2009/10/19/sharepoint-2010.aspx

If the return in the try block is reached, it transfers control to the finally block, and the function eventually returns normally (not a throw).

If an exception occurs, but then the code reaches a return from the catch block, control is transferred to the finally block and the function eventually returns normally (not a throw).

In your example, you have a return in the finally, and so regardless of what happens, the function will return 34, because finally has the final (if you will) word.

Although not covered in your example, this would be true even if you didn't have the catch and if an exception were thrown in the try block and not caught. By doing a return from the finally block, you suppress the exception entirely. Consider:

public class FinallyReturn {
  public static final void main(String[] args) {
    System.out.println(foo(args));
  }

  private static int foo(String[] args) {
    try {
      int n = Integer.parseInt(args[0]);
      return n;
    }
    finally {
      return 42;
    }
  }
}

If you run that without supplying any arguments:

$ java FinallyReturn

...the code in foo throws an ArrayIndexOutOfBoundsException. But because the finally block does a return, that exception gets suppressed.

This is one reason why it's best to avoid using return in finally.

Short circuit here means that the second condition won't be evaluated.

If ( A && B ) will result in short circuit if A is False.

If ( A && B ) will not result in short Circuit if A is True.

If ( A || B ) will result in short circuit if A is True.

If ( A || B ) will not result in short circuit if A is False.

Short answer: Yes. Use Python's urllib to pull the historical data pages for the stocks you want. Go with Yahoo! Finance; Google is both less reliable, has less data coverage, and is more restrictive in how you can use it once you have it. Also, I believe Google specifically prohibits you from scraping the data in their ToS.

Longer answer: This is the script I use to pull all the historical data on a particular company. It pulls the historical data page for a particular ticker symbol, then saves it to a csv file named by that symbol. You'll have to provide your own list of ticker symbols that you want to pull.

import urllib

base_url = "http://ichart.finance.yahoo.com/table.csv?s="
def make_url(ticker_symbol):
    return base_url + ticker_symbol

output_path = "C:/path/to/output/directory"
def make_filename(ticker_symbol, directory="S&P"):
    return output_path + "/" + directory + "/" + ticker_symbol + ".csv"

def pull_historical_data(ticker_symbol, directory="S&P"):
    try:
        urllib.urlretrieve(make_url(ticker_symbol), make_filename(ticker_symbol, directory))
    except urllib.ContentTooShortError as e:
        outfile = open(make_filename(ticker_symbol, directory), "w")
        outfile.write(e.content)
        outfile.close()

SELECT * FROM ( SELECT *, Row_Number() 
OVER(ORDER BY country_gid) AS sdfg  FROM eka_mst_tcountry ) t 
WHERE t.country_gid % 2 = 0 

var string ='my string'
var new_string = string.replace('string','new string');
alert(string);
alert(new_string);

Here is what I did to clear the error you noted. Locate the web folder for the app within the file system, go to Properties=>Security click the Advanced button then click the Owner tab, click the Edit button and change the owner (with the correct permissions) of the folder and checked the "Repalce owner on subcontainers and objects" checkbox. Click "Apply" and then I was in business (able to debug).

Hope this works for someone else.

None of the suggested fixes worked for me - setting it to null, false, adding two dots, etc - didn't work.

In the end, I just removed the domain from the cookie if it is localhost and that now works for me in Chrome 38.

Previous code (did not work):

document.cookie = encodeURI(key) + '=' + encodeURI(value) + ';domain=.' + document.domain + ';path=/;';

New code (now working):

 if(document.domain === 'localhost') {
        document.cookie = encodeURI(key) + '=' + encodeURI(value) + ';path=/;' ;
    } else {
        document.cookie = encodeURI(key) + '=' + encodeURI(value) + ';domain=.' + document.domain + ';path=/;';
    }

I like this one, that hasn't been mentioned above.

require 'pathname'

Pathname.new('/my/dir').children.each do |path|
    puts path
end

The benefit is that you get a Pathname object instead of a string, that you can do useful stuff with and traverse further.

on linux pip install library_that_you_need Also on Help/Eclipse MarketPlace, i add PyDev IDE for Eclipse 7, so when i start a new project i create file/New Project/Pydev Project

The IN clause describes a set of values, and sets do not have order.

Your solution with a join and then ordering on the display_order column is the most nearly correct solution; anything else is probably a DBMS-specific hack (or is doing some stuff with the OLAP functions in standard SQL). Certainly, the join is the most nearly portable solution (though generating the data with the display_order values may be problematic). Note that you may need to select the ordering columns; that used to be a requirement in standard SQL, though I believe it was relaxed as a rule a while ago (maybe as long ago as SQL-92).

If it is an Angular application you can simply do this

input.ng-invalid.ng-touched
{
    border: 1px solid red !important; 
}

You can generate the WS proxy classes using WSCF (Web Services Contract First) tool from thinktecture.com. So essentially, YOU CAN create webservices from wsdl's. Creating the asmx's, maybe not, but that's the easy bit isn't it? This tool integrates brilliantly into VS2005-8 (new version for 2010/WCF called WSCF-blue). I've used it loads and always found it to be really good.

java.lang.StringBuilder. Use int constructor to create an initial size.

Some definitions

• A shade is produced by "darkening" a hue or "adding black"
• A tint is produced by "ligthening" a hue or "adding white"

Creating a tint or a shade

Depending on your Color Model, there are different methods to create a darker (shaded) or lighter (tinted) color:

• RGB:

  • To shade:

    newR = currentR * (1 - shade_factor)
    newG = currentG * (1 - shade_factor)
    newB = currentB * (1 - shade_factor)
    

  • To tint:

    newR = currentR + (255 - currentR) * tint_factor
    newG = currentG + (255 - currentG) * tint_factor
    newB = currentB + (255 - currentB) * tint_factor
    

  • More generally, the color resulting in layering a color RGB(currentR,currentG,currentB) with a color RGBA(aR,aG,aB,alpha) is:

    newR = currentR + (aR - currentR) * alpha
    newG = currentG + (aG - currentG) * alpha
    newB = currentB + (aB - currentB) * alpha
    

  where (aR,aG,aB) = black = (0,0,0) for shading, and (aR,aG,aB) = white = (255,255,255) for tinting

• HSV or HSB:

  • To shade: lower the Value / Brightness or increase the Saturation
  • To tint: lower the Saturation or increase the Value / Brightness
• HSL:
  • To shade: lower the Lightness
  • To tint: increase the Lightness

There exists formulas to convert from one color model to another. As per your initial question, if you are in RGB and want to use the HSV model to shade for example, you can just convert to HSV, do the shading and convert back to RGB. Formula to convert are not trivial but can be found on the internet. Depending on your language, it might also be available as a core function :

• RGB to HSV color in javascript?
• Convert RGB value to HSV

Comparing the models

• RGB has the advantage of being really simple to implement, but:
  • you can only shade or tint your color relatively
  • you have no idea if your color is already tinted or shaded
• HSV or HSB is kind of complex because you need to play with two parameters to get what you want (Saturation & Value / Brightness)
• HSL is the best from my point of view:
  • supported by CSS3 (for webapp)
  • simple and accurate:
    • 50% means an unaltered Hue
    • >50% means the Hue is lighter (tint)
    • <50% means the Hue is darker (shade)
  • given a color you can determine if it is already tinted or shaded
  • you can tint or shade a color relatively or absolutely (by just replacing the Lightness part)

• If you want to learn more about this subject: Wiki: Colors Model
• For more information on what those models are: Wikipedia: HSL and HSV

A Quote from : iPhone Developer Program (~8MB PDF)

A provisioning profile is a collection of digital entities that uniquely ties developers and devices to an authorized iPhone Development Team and enables a device to be used for testing. A Development Provisioning Profile must be installed on each device on which you wish to run your application code. Each Development Provisioning Profile will contain a set of iPhone Development Certificates, Unique Device Identifiers and an App ID. Devices specified within the provisioning profile can be used for testing only by those individuals whose iPhone Development Certificates are included in the profile. A single device can contain multiple provisioning profiles.

This works for me!

<label for="reason">Reason:</label>
<select name="reason" size="1" id="name" >
    <option value="NG" selected="SELECTED"><?php if (!(strcmp("NG", $_POST["reason"]))) {echo "selected=\"selected\"";} ?>Selection a reason below</option>
    <option value="General"<?php if (!(strcmp("General", $_POST["reason"]))) {echo "selected=\"selected\"";} ?>>General Question</option>
    <option value="Account"<?php if (!(strcmp("Account", $_POST["reason"]))) {echo "selected=\"selected\"";} ?>>Account Question</option>
    <option value="Other"<?php if (!(strcmp("Other", $_POST["reason"]))) {echo "selected=\"selected\"";} ?>>Other</option>

</select>

If you want to retrieve the key's value if it exists, you can also use

try:
    value = a[key]
except KeyError:
    # Key is not present
    pass

If you want to retrieve a default value when the key does not exist, use value = a.get(key, default_value). If you want to set the default value at the same time in case the key does not exist, use value = a.setdefault(key, default_value).

If you use this syntax:

<div ng-attr-id="{{ 'object-' + myScopeObject.index }}"></div>

Angular will render something like:

 <div ng-id="object-1"></div>

However this syntax:

<div id="{{ 'object-' + $index }}"></div>

will generate something like:

<div id="object-1"></div>

mysql_ping

This is for someone who tried all the answers and still failed. Extending pierre's answer. If you are using animation, setting up the visibility to GONE or INVISIBLE or invalidate() will never work. Try out the below solution. `

btn2.getAnimation().setAnimationListener(new Animation.AnimationListener() {
     @Override
     public void onAnimationStart(Animation animation) {
     }
     @Override
     public void onAnimationEnd(Animation animation) {
         btn2.setVisibility(View.GONE);
         btn2.clearAnimation();
     }
     @Override
     public void onAnimationRepeat(Animation animation) {
     }
});

`

Since Python 3.3, __init__.py is no longer required to define directories as importable Python packages.

Check PEP 420: Implicit Namespace Packages:

Native support for package directories that don’t require __init__.py marker files and can automatically span multiple path segments (inspired by various third party approaches to namespace packages, as described in PEP 420)

Here's the test:

$ mkdir -p /tmp/test_init
$ touch /tmp/test_init/module.py /tmp/test_init/__init__.py
$ tree -at /tmp/test_init
/tmp/test_init
+-- module.py
+-- __init__.py
$ python3

>>> import sys
>>> sys.path.insert(0, '/tmp')
>>> from test_init import module
>>> import test_init.module

$ rm -f /tmp/test_init/__init__.py
$ tree -at /tmp/test_init
/tmp/test_init
+-- module.py
$ python3

>>> import sys
>>> sys.path.insert(0, '/tmp')
>>> from test_init import module
>>> import test_init.module

references:
https://docs.python.org/3/whatsnew/3.3.html#pep-420-implicit-namespace-packages
https://www.python.org/dev/peps/pep-0420/
Is __init__.py not required for packages in Python 3?

DateTime structure stores only one value, not range of values. MinValue and MaxValue are static fields, which hold range of possible values for instances of DateTime structure. These fields are static and do not relate to particular instance of DateTime. They relate to DateTime type itself.

Suggested reading: static (C# Reference)

UPDATE: Getting month range:

DateTime date = ...
var firstDayOfMonth = new DateTime(date.Year, date.Month, 1);
var lastDayOfMonth = firstDayOfMonth.AddMonths(1).AddDays(-1);

The tabindex is used to define a sequence that users follow when they use the Tab key to navigate through a page. By default, the natural tabbing order will match the source order in the markup.

The tabindex content attribute allows authors to control whether an element is supposed to be focusable, whether it is supposed to be reachable using sequential focus navigation, and what is to be the relative order of the element for the purposes of sequential focus navigation. The name "tab index" comes from the common use of the "tab" key to navigate through the focusable elements. The term "tabbing" refers to moving forward through the focusable elements that can be reached using sequential focus navigation.
W3C Recommendation: HTML5
Section 7.4.1 Sequential focus navigation and the tabindex attribute

The tabindex starts at 0 or any positive whole number and increments upward. It's common to see the value 0 avoided because in older versions of Mozilla and IE, the tabindex would start at 1, move on to 2, and only after 2 would it go to 0 and then 3. The maximum integer value for tabindex is 32767. If elements have the same tabindex then the tabindex will match the source order in the markup. A negative value will remove the element from the tab index so it will never be focused.

If an element is assigned a tabindex of -1 it will remove the element and it will never be focusable but focus can be given to the element programmatically using element.focus().

If you specify the tabindex attribute with no value or an empty value it will be ignored.

If the disabled attribute is set on an element which has a tabindex, the element will be ignored.

If a tabindex is set anywhere within the page regardless of where it is in relation to the rest of the code (it could be in the footer, content area, where-ever) if there is a defined tabindex then the tab order will start at the element which is explicitly assigned the lowest tabindex value above 0. It will then cycle through the elements defined and only after the explicit tabindex elements have been tabbed through, will it return to the beginning of the document and follow the natural tab order.

In the HTML4 spec only the following elements support the tabindex attribute: anchor, area, button, input, object, select, and textarea. But the HTML5 spec, with accessibility in mind, allows all elements to be assigned tabindex.

--

For example

<ul tabindex="-1">
  <li tabindex="1"></li>
  <li tabindex="2"></li>
  <li tabindex="3"></li>
</ul>

is the same as

<ul tabindex="-1">
  <li tabindex="1"></li>
  <li tabindex="1"></li>
  <li tabindex="1"></li>
</ul>

because regardless of the fact that they are all assigned tabindex="1", they will still follow the same order, the first one is first, and the last one is last. This is also the same..

<div>
  <a></a>
  <a></a>
  <a></a>
</div>

because you do not need to explicitly define the tabIndex if it's default behavior. A div by default will not be focusable, the anchor tags will.

switch(message)
{
  case "test":
    Console.WriteLine("yes");
    break;                
  default:
    if (Contains("test2")) {
      Console.WriteLine("yes for test2");
    }
    break;
}

This is an option:

dbContext.Entry(entity).State = EntityState.Detached;

According to the API

totalMemory()

Returns the total amount of memory in the Java virtual machine. The value returned by this method may vary over time, depending on the host environment. Note that the amount of memory required to hold an object of any given type may be implementation-dependent.

maxMemory()

Returns the maximum amount of memory that the Java virtual machine will attempt to use. If there is no inherent limit then the value Long.MAX_VALUE will be returned.

freeMemory()

Returns the amount of free memory in the Java Virtual Machine. Calling the gc method may result in increasing the value returned by freeMemory.

In reference to your question, maxMemory() returns the -Xmx value.

You may be wondering why there is a totalMemory() AND a maxMemory(). The answer is that the JVM allocates memory lazily. Lets say you start your Java process as such:

java -Xms64m -Xmx1024m Foo

Your process starts with 64mb of memory, and if and when it needs more (up to 1024m), it will allocate memory. totalMemory() corresponds to the amount of memory currently available to the JVM for Foo. If the JVM needs more memory, it will lazily allocate it up to the maximum memory. If you run with -Xms1024m -Xmx1024m, the value you get from totalMemory() and maxMemory() will be equal.

Also, if you want to accurately calculate the amount of used memory, you do so with the following calculation :

final long usedMem = totalMemory() - freeMemory();

It's easy.. try this

html

<select id="ddl00">  
 <option>"test 01"</option>  
</select>

javascript

document.getElementById("ddl00").focus();

Add a nodemon.json configuration file in your root folder and specify ignore patterns for example:

nodemon.json

{
  "ignore": [
    "*.test.js", 
    "dist/*"
  ]
}

• Note that by default .git, node_modules, bower_components, .nyc_output, coverage and .sass-cache are ignored so you don't need to add them to your configuration.

Explanation: This error happens because you exceeded the max number of watchers allowed by your system (i.e. nodemon has no more disk space to watch all the files - which probably means you are watching not important files). So you ignore non-important files that you don't care about changes in them for example the build output or the test cases.

You can use the to_pydatetime method to be more explicit:

In [11]: ts = pd.Timestamp('2014-01-23 00:00:00', tz=None)

In [12]: ts.to_pydatetime()
Out[12]: datetime.datetime(2014, 1, 23, 0, 0)

It's also available on a DatetimeIndex:

In [13]: rng = pd.date_range('1/10/2011', periods=3, freq='D')

In [14]: rng.to_pydatetime()
Out[14]:
array([datetime.datetime(2011, 1, 10, 0, 0),
       datetime.datetime(2011, 1, 11, 0, 0),
       datetime.datetime(2011, 1, 12, 0, 0)], dtype=object)

In WebApi 2 you can use RequestContext.Principal from within a method on ApiController

document.getElementById('Id').value='new value';

https://developer.mozilla.org/en-US/docs/Web/API/document.getElementById

The explode() function breaks a string into an array.

<?php
    $str = "Hello world. It's a beautiful day.";
    print_r (explode(" ",$str));
?>

Output: Array ( [0] => Hello [1] => world. [2] => It's [3] => a [4] => beautiful [5] => day. )

I also faced same problem. But I used:

getSupportActionBar().hide();

before

setContentView(R.layout.activity_main);

Now it is working.

And we can try other option in Style.xml,

<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

Another example:

double d = 0;
for (int i = 1; i <= 10; i++) {
    d += 0.1;
}
System.out.println(d);    // prints 0.9999999999999999 not 1.0

Use BigDecimal instead.

EDIT:

Also, just to point out this isn't a 'Java' rounding issue. Other languages exhibit similar (though not necessarily consistent) behaviour. Java at least guarantees consistent behaviour in this regard.

Found my solution thanks to Error with .htaccess and mod_rewrite
For Apache 2.4 and in all *.conf files (e.g. httpd-vhosts.conf, http.conf, httpd-autoindex.conf ..etc) use

Require all granted

instead of

Order allow,deny
Allow from all

The Order and Allow directives are deprecated in Apache 2.4.

use below command to turn off the safe mode

$> hdfs dfsadmin -safemode leave

On the question "When is it appropriate and when not?", my 2 cents:

instanceof is rarely useful in production code, but useful in tests where you want to assert that your code returns / creates objects of the correct types. By being explicit about the kinds of objects your code is returning / creating, your tests become more powerful as a tool for understanding and documenting your code.

there is a limited alternative you can use

header:

class std_int_vector;

class A{
    std_int_vector* vector;
public:
    A();
    virtual ~A();
};

cpp:

#include "header.h"
#include <vector>
class std_int_vector: public std::vectror<int> {}

A::A() : vector(new std_int_vector()) {}
[...]

not tested in real programs, so expect it to be non-perfect.

In order to log requests that result in 400 only:

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.commons.io.FileUtils;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.ServletServerHttpRequest;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import org.springframework.web.filter.AbstractRequestLoggingFilter;
import org.springframework.web.filter.OncePerRequestFilter;
import org.springframework.web.util.ContentCachingRequestWrapper;
import org.springframework.web.util.WebUtils;

/**
 * Implementation is partially copied from {@link AbstractRequestLoggingFilter} and modified to output request information only if request resulted in 400.
 * Unfortunately {@link AbstractRequestLoggingFilter} is not smart enough to expose {@link HttpServletResponse} value in afterRequest() method.
 */
@Component
public class RequestLoggingFilter extends OncePerRequestFilter {

    public static final String DEFAULT_AFTER_MESSAGE_PREFIX = "After request [";

    public static final String DEFAULT_AFTER_MESSAGE_SUFFIX = "]";

    private final boolean includeQueryString = true;
    private final boolean includeClientInfo = true;
    private final boolean includeHeaders = true;
    private final boolean includePayload = true;

    private final int maxPayloadLength = (int) (2 * FileUtils.ONE_MB);

    private final String afterMessagePrefix = DEFAULT_AFTER_MESSAGE_PREFIX;

    private final String afterMessageSuffix = DEFAULT_AFTER_MESSAGE_SUFFIX;

    /**
     * The default value is "false" so that the filter may log a "before" message
     * at the start of request processing and an "after" message at the end from
     * when the last asynchronously dispatched thread is exiting.
     */
    @Override
    protected boolean shouldNotFilterAsyncDispatch() {
        return false;
    }

    @Override
    protected void doFilterInternal(final HttpServletRequest request, final HttpServletResponse response, final FilterChain filterChain)
            throws ServletException, IOException {

        final boolean isFirstRequest = !isAsyncDispatch(request);
        HttpServletRequest requestToUse = request;

        if (includePayload && isFirstRequest && !(request instanceof ContentCachingRequestWrapper)) {
            requestToUse = new ContentCachingRequestWrapper(request, maxPayloadLength);
        }

        final boolean shouldLog = shouldLog(requestToUse);

        try {
            filterChain.doFilter(requestToUse, response);
        } finally {
            if (shouldLog && !isAsyncStarted(requestToUse)) {
                afterRequest(requestToUse, response, getAfterMessage(requestToUse));
            }
        }
    }

    private String getAfterMessage(final HttpServletRequest request) {
        return createMessage(request, this.afterMessagePrefix, this.afterMessageSuffix);
    }

    private String createMessage(final HttpServletRequest request, final String prefix, final String suffix) {
        final StringBuilder msg = new StringBuilder();
        msg.append(prefix);
        msg.append("uri=").append(request.getRequestURI());

        if (includeQueryString) {
            final String queryString = request.getQueryString();
            if (queryString != null) {
                msg.append('?').append(queryString);
            }
        }

        if (includeClientInfo) {
            final String client = request.getRemoteAddr();
            if (StringUtils.hasLength(client)) {
                msg.append(";client=").append(client);
            }
            final HttpSession session = request.getSession(false);
            if (session != null) {
                msg.append(";session=").append(session.getId());
            }
            final String user = request.getRemoteUser();
            if (user != null) {
                msg.append(";user=").append(user);
            }
        }

        if (includeHeaders) {
            msg.append(";headers=").append(new ServletServerHttpRequest(request).getHeaders());
        }

        if (includeHeaders) {
            final ContentCachingRequestWrapper wrapper = WebUtils.getNativeRequest(request, ContentCachingRequestWrapper.class);
            if (wrapper != null) {
                final byte[] buf = wrapper.getContentAsByteArray();
                if (buf.length > 0) {
                    final int length = Math.min(buf.length, maxPayloadLength);
                    String payload;
                    try {
                        payload = new String(buf, 0, length, wrapper.getCharacterEncoding());
                    } catch (final UnsupportedEncodingException ex) {
                        payload = "[unknown]";
                    }
                    msg.append(";payload=").append(payload);
                }
            }
        }
        msg.append(suffix);
        return msg.toString();
    }

    private boolean shouldLog(final HttpServletRequest request) {
        return true;
    }

    private void afterRequest(final HttpServletRequest request, final HttpServletResponse response, final String message) {
        if (response.getStatus() == HttpStatus.BAD_REQUEST.value()) {
            logger.warn(message);
        }
    }

}

You can write as:

<div class="case" ng-if="mydata.id === '5' ">
    <p> this will execute </p>
</div>
<div class="case" ng-if="mydata.id !== '5' ">
    <p> this will execute </p>
</div> 

Simply, Run the cmd in Administrator mode.

write like this:

<div class="parent">
 <a href="http://www.example.com">example</a>
</div>

CSS

.parent{
  text-align:center
}

Any command that takes references as arguments will accept the --all option documented in the man page for git rev-list as follows:

   --all
       Pretend as if all the refs in $GIT_DIR/refs/ are listed on the
       command line as <commit>.

So for instance git log -Sstring --all will display all commits that mention string and that are accessible from a branch or from a tag (I'm assuming that your dangling commits are at least named with a tag).

The official language specification for XPath 2.0 on W3.org details that the language does indeed support if statements. See Section 3.8 Conditional Expressions, in particular. Along with the syntax format and explanation, it gives the following example:

if ($widget1/unit-cost < $widget2/unit-cost) 
  then $widget1
  else $widget2

This would suggest that you shouldn't have brackets surrounding your expressions (otherwise the syntax looks correct). I'm not wholly confident, but it's surely worth a try. So you'll want to change your query to look like this:

if (fn:ends-with(//div [@id='head']/text(),': '))
  then fn:substring-before(//div [@id='head']/text(),': ')
  else //div [@id='head']/text()

I do strongly suspect this may fix it however, as the fact that your XPath engine seems to be trying to interpret if as a function, where it is in fact a special construct of the language.

Finally, to point out the obvious, insure that your XPath engine does in fact support XPath 2.0 (as opposed to an earlier version)! I don't believe conditional expressions are part of previous versions of XPath.

If you are still getting the same error, please make sure that in the git settings->ssh tab->ssh client to use is set to openSSH

Note that there are also a number of extensions available that will fix this behaviour for specific contexts of Markdown use.

For example, sane_lists extension of python-markdown (used in mkdocs, for example), will recognize numbers used in Markdown lists. You just need to enable this extension arkdown.markdown(some_text, extensions=['sane_lists'])

If you're file isn't too big you can always sort by the column that has the - and once they're all together just highlight and delete. Then re-sort back to what you want.

Here is a nice tutorial, which describes callbacks and the use-case well.

The concept of callbacks is to inform a class synchronous / asynchronous if some work in another class is done. Some call it the Hollywood principle: "Don't call us we call you".

Here's a example:

class A implements ICallback {
     MyObject o;
     B b = new B(this, someParameter);

     @Override
     public void callback(MyObject o){
           this.o = o;
     }
}

class B {
     ICallback ic;
     B(ICallback ic, someParameter){
         this.ic = ic;
     }

    new Thread(new Runnable(){
         public void run(){
             // some calculation
             ic.callback(myObject)
         }
    }).start(); 
}

interface ICallback{
    public void callback(MyObject o);
}

Class A calls Class B to get some work done in a Thread. If the Thread finished the work, it will inform Class A over the callback and provide the results. So there is no need for polling or something. You will get the results as soon as they are available.

In Android Callbacks are used f.e. between Activities and Fragments. Because Fragments should be modular you can define a callback in the Fragment to call methods in the Activity.

This should work for any table, instead of hard-coding the columns.

//Source details_x000D_
    String sourceUrl = "jdbc:oracle:thin:@//server:1521/db";_x000D_
    String sourceUserName = "src";_x000D_
    String sourcePassword = "***";_x000D_
_x000D_
    // Destination details_x000D_
    String destinationUserName = "dest";_x000D_
    String destinationPassword = "***";_x000D_
    String destinationUrl = "jdbc:mysql://server:3306/db";_x000D_
_x000D_
    Connection srcConnection = getSourceConnection(sourceUrl, sourceUserName, sourcePassword);_x000D_
    Connection destConnection = getDestinationConnection(destinationUrl, destinationUserName, destinationPassword);_x000D_
_x000D_
    PreparedStatement sourceStatement = srcConnection.prepareStatement("SELECT *  FROM src_table ");_x000D_
    ResultSet rs = sourceStatement.executeQuery();_x000D_
    rs.setFetchSize(1000); // not needed_x000D_
_x000D_
_x000D_
    ResultSetMetaData meta = rs.getMetaData();_x000D_
_x000D_
_x000D_
_x000D_
    List<String> columns = new ArrayList<>();_x000D_
    for (int i = 1; i <= meta.getColumnCount(); i++)_x000D_
        columns.add(meta.getColumnName(i));_x000D_
_x000D_
    try (PreparedStatement destStatement = destConnection.prepareStatement(_x000D_
            "INSERT INTO dest_table ("_x000D_
                    + columns.stream().collect(Collectors.joining(", "))_x000D_
                    + ") VALUES ("_x000D_
                    + columns.stream().map(c -> "?").collect(Collectors.joining(", "))_x000D_
                    + ")"_x000D_
            )_x000D_
    )_x000D_
    {_x000D_
        int count = 0;_x000D_
        while (rs.next()) {_x000D_
            for (int i = 1; i <= meta.getColumnCount(); i++) {_x000D_
                destStatement.setObject(i, rs.getObject(i));_x000D_
            }_x000D_
            _x000D_
            destStatement.addBatch();_x000D_
            count++;_x000D_
        }_x000D_
        destStatement.executeBatch(); // you will see all the rows in dest once this statement is executed_x000D_
        System.out.println("done " + count);_x000D_
_x000D_
    }

The thread is old, but maybe someone is still interested. The shortest form I found is further improvement on the example from ?lex and bmargulies. The execution tag will look like:

<execution>
    <id>TheNameOfTheRelevantExecution</id>
    <phase/>
</execution>

2 points I want to highlight:

1. phase is set to nothing, which looks less hacky than 'none', though still a hack.
2. id must be the same as execution you want to override. If you don't specify id for execution, Maven will do it implicitly (in a way not expected intuitively by you).

After posting found it is already in stackoverflow: In a Maven multi-module project, how can I disable a plugin in one child?

@Anupam's solution worked for me. However, I had to use sudo and specify the exact location of my virtual Python environment:

curl https://bootstrap.pypa.io/get-pip.py | sudo /Users/{your user name}/{path to python}/bin/python

Mongoose is built untop of mongodb driver, the mongodb driver is more low level. Mongoose provides that easy abstraction to easily define a schema and query. But on the perfomance side Mongdb Driver is best.

Go to http://opengapps.org/ and download the pico version of your platform and android version. Unzip the downloaded folder to get
1. GmsCore.apk
2. GoogleServicesFramework.apk
3. GoogleLoginService.apk
4. Phonesky.apk

Then, locate your emulator.exe. You will probably find it in
C:\Users\<YOUR_USER_NAME>\AppData\Local\Android\sdk\tools

Run the command:
emulator -avd <YOUR_EMULATOR'S_NAME> -netdelay none -netspeed full -no-boot-anim -writable-system

Note: Use -writable-system to start your emulator with writable system image.

Then,
adb root
adb remount
adb push <PATH_TO GmsCore.apk> /system/priv-app
adb push <PATH_TO GoogleServicesFramework.apk> /system/priv-app
adb push <PATH_TO GoogleLoginService.apk> /system/priv-app
adb push <PATH_TO Phonesky.apk> /system/priv-app

Then, reboot the emulator
adb shell stop
adb shell start

To verify run,
adb shell pm list packages and you will find com.google.android.gms package for google

Read more about Bitwise and Bit Shift Operators

>>      Signed right shift
>>>     Unsigned right shift

The bit pattern is given by the left-hand operand, and the number of positions to shift by the right-hand operand. The unsigned right shift operator >>> shifts a zero into the leftmost position,

while the leftmost position after >> depends on sign extension.

In simple words >>> always shifts a zero into the leftmost position whereas >> shifts based on sign of the number i.e. 1 for negative number and 0 for positive number.

For example try with negative as well as positive numbers.

int c = -153;
System.out.printf("%32s%n",Integer.toBinaryString(c >>= 2));
System.out.printf("%32s%n",Integer.toBinaryString(c <<= 2));
System.out.printf("%32s%n",Integer.toBinaryString(c >>>= 2));
System.out.println(Integer.toBinaryString(c <<= 2));

System.out.println();

c = 153;
System.out.printf("%32s%n",Integer.toBinaryString(c >>= 2));
System.out.printf("%32s%n",Integer.toBinaryString(c <<= 2));
System.out.printf("%32s%n",Integer.toBinaryString(c >>>= 2));
System.out.printf("%32s%n",Integer.toBinaryString(c <<= 2));

output:

11111111111111111111111111011001
11111111111111111111111101100100
  111111111111111111111111011001
11111111111111111111111101100100

                          100110
                        10011000
                          100110
                        10011000

You may use:

• Array.prototype.map()
• Array.prototype.reduce()
• Arrow functions
• Comma operator

To create array of objects:

var source = ['left', 'top'];
const result = source.map(arrValue => ({[arrValue]: 0}));

Demo:

var source = ['left', 'top'];_x000D_
_x000D_
const result = source.map(value => ({[value]: 0}));_x000D_
_x000D_
console.log(result);

Or if you wants to create a single object from values of arrays:

var source = ['left', 'top'];
const result = source.reduce((obj, arrValue) => (obj[arrValue] = 0, obj), {});

Demo:

var source = ['left', 'top'];_x000D_
_x000D_
const result = source.reduce((obj, arrValue) => (obj[arrValue] = 0, obj), {});_x000D_
_x000D_
console.log(result);

In iOS 12, Swift 4.2 & XCode 10.1

//For system type button
let button = UIButton(type: .system)
button.frame = CGRect(x: 100, y: 250, width: 100, height: 50)
//        button.backgroundColor = .blue
button.setTitle("Button", for: .normal)
button.setTitleColor(.white, for: .normal)
button.titleLabel?.font = UIFont.boldSystemFont(ofSize: 13.0)
button.titleLabel?.textAlignment = .center//Text alighment center
button.titleLabel?.numberOfLines = 0//To display multiple lines in UIButton
button.titleLabel?.lineBreakMode = .byWordWrapping//By word wrapping
button.tag = 1//To assign tag value
button.btnProperties()//Call UIButton properties from extension function
button.addTarget(self, action:#selector(self.buttonClicked), for: .touchUpInside)
self.view.addSubview(button)

//For custom type button (add image to your button)
let button2 = UIButton(type: .custom)
button2.frame = CGRect(x: 100, y: 400, width: 100, height: 50)
//        button2.backgroundColor = .blue
button2.setImage(UIImage.init(named: "img.png"), for: .normal)
button2.tag = 2
button2.btnProperties()//Call UIButton properties from extension function
button2.addTarget(self, action:#selector(self.buttonClicked), for: .touchUpInside)
self.view.addSubview(button2)

@objc func buttonClicked(sender:UIButton) {
    print("Button \(sender.tag) clicked")
}

//You can add UIButton properties like this also
extension UIButton {
    func btnProperties() {
        layer.cornerRadius = 10//Set button corner radious
        clipsToBounds = true
        backgroundColor = .blue//Set background colour
        //titleLabel?.textAlignment = .center//add properties like this
    }
}

It means if "OperationURL[1]" evaluates to "GET" then return "GetRequestSignature()" else return "". I'm guessing "GetRequestSignature()" here returns a string. The syntax CONDITION ? A : B basically stands for an if-else where A is returned when CONDITION is true and B is returned when CONDITION is false.

Cast your TabPage to a Control, then set the Enabled property to false.

((Control)this.tabPage).Enabled = false;

Therefore, the tabpage's header will still be enabled but its contents will be disabled.

I know there are many answers for this, but to me, this answer, by Robert Harvey, summarized it much more clearly:

A stable sort is one which preserves the original order of the input set, where the [unstable] algorithm does not distinguish between two or more items.

Source

DateTime.Now will not work, use DateTime.Today instead.

This should do it:

SELECT report_id, computer_id, date_entered
FROM reports AS a
WHERE date_entered = (
    SELECT MAX(date_entered)
    FROM reports AS b
    WHERE a.report_id = b.report_id
      AND a.computer_id = b.computer_id
)

The problem is you don't return any JSX element. There are another solutions for such cases, but I will provide the simplest one: "use the map function"!

<tbody>
  { numrows.map(item => <ObjectRow key={item.uniqueField} />) }
</tbody>

It's so simple and beautiful, isn't it?

Or you can use an arrow function to define it:

$(document).ready(() => {
  $('#bfCaptchaEntry').click(()=>{
    
  });
});

For better browser support:

$(document).ready(function() {
  $('#bfCaptchaEntry').click(function (){
    
  });
});

You can use now() like:

Select data from tablename where datetime >= "01-01-2009 00:00:00" and datetime <= now();

I think you are using the machine-name instead of the ip of the host.

I got the same error when i tried with machine's name. Because, It is allowed only when both the client and host are under same network and they have the same Operating system installed.

My pure-JS function:

/**
 * HTML entities encode
 *
 * @param {string} str Input text
 * @return {string} Filtered text
 */
function htmlencode (str){

  var div = document.createElement('div');
  div.appendChild(document.createTextNode(str));
  return div.innerHTML;
}

JavaScript HTML Entities Encode & Decode

This question is old, but I found another way around it is to use $('#formId')[0].submit(), which gets the dom element instead of the jQuery object, thus bypassing any validation hooks. This button submits the parent form that contains the input.

<input type='button' value='SubmitWithoutValidation' onclick='$(this).closest('form')[0].submit()'/>

Also, make sure you don't have any input's named "submit", or it overrides the function named submit.

Since Support for the ADT in Eclipse has ended, we have to use Android Studio.

In Android Studio 2.0+ use Refactor > Remove Unused Resources...

console:

mongoimport -d dbName -c collectionName dataFile.js 

Before I answer your question, I'd like to mention that you should probably look into using some sort of ORM solution (e.g., Hibernate), wrapped behind a data access tier. What you are doing appear to be very anti-OO. I admittedly do not know what the rest of your code looks like, but generally, if you start seeing yourself using a lot of Utility classes, you're probably taking too structural of an approach.

To answer your question, as others have mentioned, look into java.sql.PreparedStatement, and use java.sql.Date or java.sql.Timestamp. Something like (to use your original code as much as possible, you probably want to change it even more):

java.util.Date myDate = new java.util.Date("10/10/2009");
java.sql.Date sqlDate = new java.sql.Date(myDate.getTime());

sb.append("INSERT INTO USERS");
sb.append("(USER_ID, FIRST_NAME, LAST_NAME, SEX, DATE) ");
sb.append("VALUES ( ");
sb.append("?, ?, ?, ?, ?");
sb.append(")");

Connection conn = ...;// you'll have to get this connection somehow
PreparedStatement stmt = conn.prepareStatement(sb.toString());
stmt.setString(1, userId);
stmt.setString(2, myUser.GetFirstName());
stmt.setString(3, myUser.GetLastName());
stmt.setString(4, myUser.GetSex());
stmt.setDate(5, sqlDate);

stmt.executeUpdate(); // optionally check the return value of this call

One additional benefit of this approach is that it automatically escapes your strings for you (e.g., if were to insert someone with the last name "O'Brien", you'd have problems with your original implementation).

You can add a custom rule like this:

$.validator.addMethod(
    'booleanRequired',
    function (value, element, requiredValue) {
        return value === requiredValue;
    },
    'Please check your input.'
);

And add it as a rule like this:

PhoneToggle: {
    booleanRequired: 'on'
}        

var sum = 0;
for( var i = 0; i < elmt.length; i++ ){
    sum += parseInt( elmt[i], 10 ); //don't forget to add the base
}

var avg = sum/elmt.length;

document.write( "The sum of all the elements is: " + sum + " The average is: " + avg );

Just iterate through the array, since your values are strings, they have to be converted to an integer first. And average is just the sum of values divided by the number of values.

I also noticed that the query

SELECT * FROM tablename;

gives an error on the psql command prompt and

SELECT * FROM "tablename";

runs fine, really strange, so don't forget the double quotes. I always liked databases :-(

I had the same symptoms "The name does not exist in the namespace error", but the cause turned out to be different. I had a C: drive crash and had to reinstall Visual Studio 2017. I restored my source code files and opened the solution. Built it. No dice. As well as the "Name does not exist in the namespace" errors I noticed my sub-projects complaining that they couldn't find a MyProject.cs file ('MyProject' is not the actual project name, just used here as an example). I had a hunt for where MyProject.cs had gone, then remembered that there was never any such file! I looked in the Properties folders of each sub-project and found that Visual Studio had off its own back added bogus references to MyProject.cs!! I removed these references and now the solution builds fine like it used to.

I think it is a problem(aka. bug) with the API you are using. JSONArray implements Collection (the json.org implementation from which this API is derived does not have JSONArray implement Collection). And JSONObject has an overloaded put() method which takes a Collection and wraps it in a JSONArray (thus causing the problem). I think you need to force the other JSONObject.put() method to be used:

    jsonObject.put("aoColumnDefs",(Object)arr);

You should file a bug with the vendor, pretty sure their JSONObject.put(String,Collection) method is broken.

As per the author, they want to create a script in the head, not a link to a script file. Also, to avoid complications from jQuery (which provides little useful functionality in this case), vanilla javascript is likely the better option.

That may possibly be done as such:

var script = document.createTextNode("<script>alert('Hi!');</script>");   
document.getElementsByTagName('head')[0].appendChild(script);

The following snippet will safely create a temporary directory (-d) and store its name into the TMPDIR. (An example use of TMPDIR variable is shown later in the code where it's used for storing original files that will be possibly modified.)

The first trap line executes exit 1 command when any of the specified signals is received. The second trap line removes (cleans up) the $TMPDIR on program's exit (both normal and abnormal). We initialize these traps after we check that mkdir -d succeeded to avoid accidentally executing the exit trap with $TMPDIR in an unknown state.

#!/bin/bash

# Create a temporary directory and store its name in a variable ...
TMPDIR=$(mktemp -d)

# Bail out if the temp directory wasn't created successfully.
if [ ! -e $TMPDIR ]; then
    >&2 echo "Failed to create temp directory"
    exit 1
fi

# Make sure it gets removed even if the script exits abnormally.
trap "exit 1"           HUP INT PIPE QUIT TERM
trap 'rm -rf "$TMPDIR"' EXIT

# Example use of TMPDIR:
for f in *.csv; do
    cp "$f" "$TMPDIR"
    # remove duplicate lines but keep order
    perl -ne 'print if ++$k{$_}==1' "$TMPDIR/$f" > "$f"
done

This is for Larave 5.2.x and greater. If you want to have an option to serve some content over HTTPS and others over HTTP here is a solution that worked for me. You may wonder, why would someone want to serve only some content over HTTPS? Why not serve everything over HTTPS?

Although, it's totally fine to serve the whole site over HTTPS, severing everything over HTTPS has an additional overhead on your server. Remember encryption doesn't come cheap. The slight overhead also has an impact on your app response time. You could argue that commodity hardware is cheap and the impact is negligible but I digress :) I don't like the idea of serving marketing content big pages with images etc over https. So here it goes. It's similar to what others have suggest above using middleware but it's a full solution that allows you to toggle back and forth between HTTP/HTTPS.

First create a middleware.

php artisan make:middleware ForceSSL

This is what your middleware should look like.

<?php

namespace App\Http\Middleware;

use Closure;

class ForceSSL
{

    public function handle($request, Closure $next)
    {

        if (!$request->secure()) {
            return redirect()->secure($request->getRequestUri());
        }

        return $next($request);
    }
}

Note that I'm not filtering based on environment because I have HTTPS setup for both local dev and production so there is not need to.

Add the following to your routeMiddleware \App\Http\Kernel.php so that you can pick and choose which route group should force SSL.

    protected $routeMiddleware = [
    'auth' => \App\Http\Middleware\Authenticate::class,
    'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
    'can' => \Illuminate\Foundation\Http\Middleware\Authorize::class,
    'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
    'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
    'forceSSL' => \App\Http\Middleware\ForceSSL::class,
];

Next, I'd like to secure two basic groups login/signup etc and everything else behind Auth middleware.

Route::group(array('middleware' => 'forceSSL'), function() {
/*user auth*/
Route::get('login', 'AuthController@showLogin');
Route::post('login', 'AuthController@doLogin');

// Password reset routes...
Route::get('password/reset/{token}', 'Auth\PasswordController@getReset');
Route::post('password/reset', 'Auth\PasswordController@postReset');

//other routes like signup etc

});


Route::group(['middleware' => ['auth','forceSSL']], function()
 {
Route::get('dashboard', function(){
    return view('app.dashboard');
});
Route::get('logout', 'AuthController@doLogout');

//other routes for your application
});

Confirm that your middlewares are applied to your routes properly from console.

php artisan route:list

Now you have secured all the forms or sensitive areas of your application, the key now is to use your view template to define your secure and public (non https) links.

Based on the example above you would render your secure links as follows -

<a href="{{secure_url('/login')}}">Login</a>
<a href="{{secure_url('/signup')}}">SignUp</a>

Non secure links can be rendered as

<a href="{{url('/aboutus',[],false)}}">About US</a></li>
<a href="{{url('/promotion',[],false)}}">Get the deal now!</a></li>

What this does is renders a fully qualified URL such as https://yourhost/login and http://yourhost/aboutus

If you were not render fully qualified URL with http and use a relative link url('/aboutus') then https would persists after a user visits a secure site.

Hope this helps!

I know this is an old thread... but as many people are searching for ways to undo stuff in Git, I still think it may be a good idea to continue giving tips here.

When you do a "git add" or move anything from the top left to the bottom left in git gui the content of the file is stored in a blob and the file content is possible to recover from that blob.

So it is possible to recover a file even if it was not committed but it has to have been added.

git init  
echo hello >> test.txt  
git add test.txt  

Now the blob is created but it is referenced by the index so it will no be listed with git fsck until we reset. So we reset...

git reset --hard  
git fsck  

you will get a dangling blob ce013625030ba8dba906f756967f9e9ca394464a

git show ce01362  

will give you the file content "hello" back

To find unreferenced commits I found a tip somewhere suggesting this.

gitk --all $(git log -g --pretty=format:%h)  

I have it as a tool in git gui and it is very handy.

You can write your function to take a const std::string&:

void print(const std::string& input)
{
    cout << input << endl;
}

or a const char*:

void print(const char* input)
{
    cout << input << endl;
}

Both ways allow you to call it like this:

print("Hello World!\n"); // A temporary is made
std::string someString = //...
print(someString); // No temporary is made

The second version does require c_str() to be called for std::strings:

print("Hello World!\n"); // No temporary is made
std::string someString = //...
print(someString.c_str()); // No temporary is made

I have tried the following config for eclipse.ini:

org.eclipse.epp.package.jee.product
--launcher.defaultAction
openFile
--launcher.XXMaxPermSize
1024M
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
1024m
--launcher.defaultAction
openFile
--launcher.appendVmargs
-vmargs
-Dosgi.requiredJavaVersion=1.6
-Xms128m
-Xmx2048m

Now eclipse performance is about 2 times faster then before.

You can also find a good help ref here: http://help.eclipse.org/indigo/index.jsp?topic=/org.eclipse.platform.doc.isv/reference/misc/runtime-options.html

Don't think it is supported yet. Take a look at this JIRA issue "Add delete topic support".

To delete manually:

1. Shutdown the cluster
2. Clean kafka log dir (specified by the log.dir attribute in kafka config file ) as well the zookeeper data
3. Restart the cluster

For any given topic what you can do is

1. Stop kafka
2. Clean kafka log specific to partition, kafka stores its log file in a format of "logDir/topic-partition" so for a topic named "MyTopic" the log for partition id 0 will be stored in /tmp/kafka-logs/MyTopic-0 where /tmp/kafka-logs is specified by the log.dir attribute
3. Restart kafka

This is NOT a good and recommended approach but it should work. In the Kafka broker config file the log.retention.hours.per.topic attribute is used to define The number of hours to keep a log file before deleting it for some specific topic

Also, is there a way the messages gets deleted as soon as the consumer reads it?

From the Kafka Documentation :

The Kafka cluster retains all published messages—whether or not they have been consumed—for a configurable period of time. For example if the log retention is set to two days, then for the two days after a message is published it is available for consumption, after which it will be discarded to free up space. Kafka's performance is effectively constant with respect to data size so retaining lots of data is not a problem.

In fact the only metadata retained on a per-consumer basis is the position of the consumer in in the log, called the "offset". This offset is controlled by the consumer: normally a consumer will advance its offset linearly as it reads messages, but in fact the position is controlled by the consumer and it can consume messages in any order it likes. For example a consumer can reset to an older offset to reprocess.

For finding the start offset to read in Kafka 0.8 Simple Consumer example they say

Kafka includes two constants to help, kafka.api.OffsetRequest.EarliestTime() finds the beginning of the data in the logs and starts streaming from there, kafka.api.OffsetRequest.LatestTime() will only stream new messages.

You can also find the example code there for managing the offset at your consumer end.

    public static long getLastOffset(SimpleConsumer consumer, String topic, int partition,
                                 long whichTime, String clientName) {
    TopicAndPartition topicAndPartition = new TopicAndPartition(topic, partition);
    Map<TopicAndPartition, PartitionOffsetRequestInfo> requestInfo = new HashMap<TopicAndPartition, PartitionOffsetRequestInfo>();
    requestInfo.put(topicAndPartition, new PartitionOffsetRequestInfo(whichTime, 1));
    kafka.javaapi.OffsetRequest request = new kafka.javaapi.OffsetRequest(requestInfo, kafka.api.OffsetRequest.CurrentVersion(),clientName);
    OffsetResponse response = consumer.getOffsetsBefore(request);

    if (response.hasError()) {
        System.out.println("Error fetching data Offset Data the Broker. Reason: " + response.errorCode(topic, partition) );
        return 0;
    }
    long[] offsets = response.offsets(topic, partition);
    return offsets[0];
}

I wouldn't recommend the HAVING keyword for newbies, it is essentially for legacy purposes.

I am not clear on what is the key for this table (is it fully normalized, I wonder?), consequently I find it difficult to follow your specification:

I would like to find all records for all users that have more than one payment per day with the same account number... Additionally, there should be a filter than only counts the records whose ZIP code is different.

So I've taken a literal interpretation.

The following is more verbose but could be easier to understand and therefore maintain (I've used a CTE for the table PAYMENT_TALLIES but it could be a VIEW:

WITH PAYMENT_TALLIES (user_id, zip, tally)
     AS
     (
      SELECT user_id, zip, COUNT(*) AS tally
        FROM PAYMENT
       GROUP 
          BY user_id, zip
     )
SELECT DISTINCT *
  FROM PAYMENT AS P
 WHERE EXISTS (
               SELECT * 
                 FROM PAYMENT_TALLIES AS PT
                WHERE P.user_id = PT.user_id
                      AND PT.tally > 1
              );

You can add/remove Appender programmatically to Log4j:

  ConsoleAppender console = new ConsoleAppender(); //create appender
  //configure the appender
  String PATTERN = "%d [%p|%c|%C{1}] %m%n";
  console.setLayout(new PatternLayout(PATTERN)); 
  console.setThreshold(Level.FATAL);
  console.activateOptions();
  //add appender to any Logger (here is root)
  Logger.getRootLogger().addAppender(console);

  FileAppender fa = new FileAppender();
  fa.setName("FileLogger");
  fa.setFile("mylog.log");
  fa.setLayout(new PatternLayout("%d %-5p [%c{1}] %m%n"));
  fa.setThreshold(Level.DEBUG);
  fa.setAppend(true);
  fa.activateOptions();

  //add appender to any Logger (here is root)
  Logger.getRootLogger().addAppender(fa);
  //repeat with all other desired appenders

I'd suggest you put it into an init() somewhere, where you are sure, that this will be executed before anything else. You can then remove all existing appenders on the root logger with

 Logger.getRootLogger().getLoggerRepository().resetConfiguration();

and start with adding your own. You need log4j in the classpath of course for this to work.

Remark:
You can take any Logger.getLogger(...) you like to add appenders. I just took the root logger because it is at the bottom of all things and will handle everything that is passed through other appenders in other categories (unless configured otherwise by setting the additivity flag).

If you need to know how logging works and how is decided where logs are written read this manual for more infos about that.
In Short:

  Logger fizz = LoggerFactory.getLogger("com.fizz")

will give you a logger for the category "com.fizz".
For the above example this means that everything logged with it will be referred to the console and file appender on the root logger.
If you add an appender to Logger.getLogger("com.fizz").addAppender(newAppender) then logging from fizz will be handled by alle the appenders from the root logger and the newAppender.
You don't create Loggers with the configuration, you just provide handlers for all possible categories in your system.

Or you can use the more obvious solution, right in the GUI: Tools -> Messages (set verbosity to 2)...

You could use tr, like this:

tr " " .

Example:

# echo "hello world" | tr " " .
hello.world

From man tr:

DESCRIPTION
     Translate, squeeze, and/or delete characters from standard input, writ- ing to standard output.

Command line to check ini:

$ php -r "echo ini_get('memory_limit');"

You can try doing this.

function scrollDetect(){_x000D_
  var lastScroll = 0;_x000D_
_x000D_
  window.onscroll = function() {_x000D_
      let currentScroll = document.documentElement.scrollTop || document.body.scrollTop; // Get Current Scroll Value_x000D_
_x000D_
      if (currentScroll > 0 && lastScroll <= currentScroll){_x000D_
        lastScroll = currentScroll;_x000D_
        document.getElementById("scrollLoc").innerHTML = "Scrolling DOWN";_x000D_
      }else{_x000D_
        lastScroll = currentScroll;_x000D_
        document.getElementById("scrollLoc").innerHTML = "Scrolling UP";_x000D_
      }_x000D_
  };_x000D_
}_x000D_
_x000D_
_x000D_
scrollDetect();

html,body{_x000D_
  height:100%;_x000D_
  width:100%;_x000D_
  margin:0;_x000D_
  padding:0;_x000D_
}_x000D_
_x000D_
.cont{_x000D_
  height:100%;_x000D_
  width:100%;_x000D_
}_x000D_
_x000D_
.item{_x000D_
  margin:0;_x000D_
  padding:0;_x000D_
  height:100%;_x000D_
  width:100%;_x000D_
  background: #ffad33;_x000D_
}_x000D_
_x000D_
.red{_x000D_
  background: red;_x000D_
}_x000D_
_x000D_
p{_x000D_
  position:fixed;_x000D_
  font-size:25px;_x000D_
  top:5%;_x000D_
  left:5%;_x000D_
}

<div class="cont">_x000D_
  <div class="item"></div>_x000D_
  <div class="item red"></div>_x000D_
  <p id="scrollLoc">0</p>_x000D_
</div>

this questions is linked with the question How to write binary data file on C and plot it using Gnuplot by CAMILO HG. I know that the real problem have two parts: 1) Write the binary data file, 2) Plot it using Gnuplot.

The first part has been very clearly answered here, so I do not have something to add.

For the second, the easy way is send the people to the Gnuplot manual, and I sure someone find a good answer, but I do not find it in the web, so I am going to explain one solution (which must be in the real question, but I new in stackoverflow and I can not answer there):

After write your binary data file using fwrite(), you should create a very simple program in C, a reader. The reader only contains the same structure as the writer, but you use fread() instead fwrite(). So it is very ease to generate this program: copy in the reader.c file the writing part of your original code and change write for read (and "wb" for "rb"). In addition, you could include some checks for the data, for example, if the length of the file is correct. And finally, your program need to print the data in the standard output using a printf().

For be clear: your program run like this

$ ./reader data.dat

X_position Y_position  (it must be a comment for Gnuplot)*

1.23 2.45

2.54 3.12

5.98 9.52

Okey, with this program, in Gnuplot you only need to pipe the standard output of the reader to the Gnuplot, something like this:

plot '< ./reader data.dat'

This line, run the program reader, and the output is connected with Gnuplot and it plot the data.

*Because Gnuplot is going to read the output of the program, you must know what can Gnuplot read and plot and what can not.

It is possible to define a function from inside another function. the inner function does not exist until the outer function gets executed.

echo function_exists("y") ? 'y is defined\n' : 'y is not defined \n';
$x=x(2);
echo function_exists("y") ? 'y is defined\n' : 'y is not defined \n';

Output

y is not defined

y is defined

Simple thing you can not call function y before executed x

if (code.indexOf("ST1")>=0) { location = "stoke central"; }

The reason you're getting the error is that you have a Unix-style path to the python executable, when you're running Windows. Change /usr/bin/python3 to C:/Python32/python.exe (make sure you use the forward slashes / and not Windows-style back slashes \). Once you make this change, you should be all set.

Also, you need to change the single quotes ' to double quotes " like so:

{
    "cmd": ["c:/Python32/python.exe", "-u", "$file"],
    "file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
    "selector": "source.python"
}

The .sublime-build file needs to be valid JSON, which requires strings be wrapped in double quotes, not single.

The first parameter to the iterator in forEach is the value and second is the key of the object.

angular.forEach(objectToIterate, function(value, key) {
    /* do something for all key: value pairs */
});

In your example, the outer forEach is actually:

angular.forEach($scope.filters, function(filterObj , filterKey)

Despite all answers above, here goes my 5 cents.

It works on any OS and from any-to-any postgres version.

• Stop any running postgres instance;
• Install the new version and start it; Check if you can connect to the new version as well;
• Change old version's postgresql.conf -> port from 5432 to 5433;
• Start the old version postgres instance;
• Open a terminal and cd to the new version bin folder;
• Run pg_dumpall -p 5433 -U <username> | psql -p 5432 -U <username>
• Stop old postgres running instance;

I have different solution:

SELECT AUTO_INCREMENT - 1 as CurrentId FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'dbname' AND TABLE_NAME = 'tablename'

This will do what you want:

select * 
  from orders_products 
       INNER JOIN orders 
          ON orders_products.orders_id = orders.orders_id
 where products_id in (180, 181);

How about this one?

import signal
signal.pause()

This will let your program sleep until it receives a signal from some other process (or itself, in another thread), letting it know it is time to do something.

You can check if dotnet.exe is available:

where dotnet

You can then check the version:

dotnet --version

UPDATE: There is now a better way of doing this, which is well explained in many other answers:

dotnet --info

you can use

style="display:none"

Ex:

<asp:TextBox ID="txbProv" runat="server" style="display:none"></asp:TextBox>

You can call a stored procedure using the following syntax:

$result = mysql_query('CALL getNodeChildren(2)');

Yep.

// FakeChart.cs
// ------------------------------------------------------------------
//
// A Winforms app that produces a contrived chart using
// DataVisualization (MSChart).  Requires .net 4.0.
//
// Author: Dino
//
// ------------------------------------------------------------------
//
// compile: \net4.0\csc.exe /t:winexe /debug+ /R:\net4.0\System.Windows.Forms.DataVisualization.dll FakeChart.cs
//

using System;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;


namespace Dino.Tools.WebMonitor
{
    public class FakeChartForm1 : Form
    {
        private System.ComponentModel.IContainer components = null;
        System.Windows.Forms.DataVisualization.Charting.Chart chart1;

        public FakeChartForm1 ()
        {
            InitializeComponent();
        }

        private double f(int i)
        {
            var f1 = 59894 - (8128 * i) + (262 * i * i) - (1.6 * i * i * i);
            return f1;
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            chart1.Series.Clear();
            var series1 = new System.Windows.Forms.DataVisualization.Charting.Series
            {
                Name = "Series1",
                Color = System.Drawing.Color.Green,
                IsVisibleInLegend = false,
                IsXValueIndexed = true,
                ChartType = SeriesChartType.Line
            };

            this.chart1.Series.Add(series1);

            for (int i=0; i < 100; i++)
            {
                series1.Points.AddXY(i, f(i));
            }
            chart1.Invalidate();
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            System.Windows.Forms.DataVisualization.Charting.ChartArea chartArea1 = new System.Windows.Forms.DataVisualization.Charting.ChartArea();
            System.Windows.Forms.DataVisualization.Charting.Legend legend1 = new System.Windows.Forms.DataVisualization.Charting.Legend();
            this.chart1 = new System.Windows.Forms.DataVisualization.Charting.Chart();
            ((System.ComponentModel.ISupportInitialize)(this.chart1)).BeginInit();
            this.SuspendLayout();
            //
            // chart1
            //
            chartArea1.Name = "ChartArea1";
            this.chart1.ChartAreas.Add(chartArea1);
            this.chart1.Dock = System.Windows.Forms.DockStyle.Fill;
            legend1.Name = "Legend1";
            this.chart1.Legends.Add(legend1);
            this.chart1.Location = new System.Drawing.Point(0, 50);
            this.chart1.Name = "chart1";
            // this.chart1.Size = new System.Drawing.Size(284, 212);
            this.chart1.TabIndex = 0;
            this.chart1.Text = "chart1";
            //
            // Form1
            //
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(284, 262);
            this.Controls.Add(this.chart1);
            this.Name = "Form1";
            this.Text = "FakeChart";
            this.Load += new System.EventHandler(this.Form1_Load);
            ((System.ComponentModel.ISupportInitialize)(this.chart1)).EndInit();
            this.ResumeLayout(false);
        }

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new FakeChartForm1());
        }
    }
}

UI:

Just use a different browser. Follow the steps given below to install Chrome extensions on your Android device.

Step 1: Open Google Play Store and download Yandex Browser. Install the browser on your phone.

Step 2: In the URL box of your new browser, open 'chrome.google.com/webstore’ by entering the same in the URL address.

Step 3: Look for the Chrome extension that you want and once you have it, tap on 'Add to Chrome.’

The added Chrome extension will now be automatically added to the Yandex browser.

Just put quotes around the Environment variable (as you have done) :
if "%DevEnvDir%" == "C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\"
but it's the way you put opening bracket without a space that is confusing it.

Works for me...

C:\if "%gtk_basepath%" == "C:\Program Files\GtkSharp\2.12\" (echo yes)
yes

you can always cast any object to any type by up-casting it to Object first. in your case:

(List<Customer>)(Object)list; 

you must be sure that at runtime the list contains nothing but Customer objects.

Critics say that such casting indicates something wrong with your code; you should be able to tweak your type declarations to avoid it. But Java generics is too complicated, and it is not perfect. Sometimes you just don't know if there is a pretty solution to satisfy the compiler, even though you know very well the runtime types and you know what you are trying to do is safe. In that case, just do the crude casting as needed, so you can leave work for home.

The java.util.Date class isn't actually deprecated, just that constructor, along with a couple other constructors/methods are deprecated. It was deprecated because that sort of usage doesn't work well with internationalization. The Calendar class should be used instead:

Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, 1988);
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DAY_OF_MONTH, 1);
Date dateRepresentation = cal.getTime();

Take a look at the date Javadoc:

http://download.oracle.com/javase/6/docs/api/java/util/Date.html