what I don't get is why I would ever need to do this

I think you never need to do this. Given a nested class like this ...

class A
{
  //B is used to help implement A
  class B
  {
    ...etc...
  }
  ...etc...
}

... you can always move the inner/nested class to global scope, like this ...

class A
{
  ...etc...
}

//B is used to help implement A
class B
{
  ...etc...
}

However, when B is only used to help implement A, then making B an inner/nested class has two advantages:

• It doesn't pollute the global scope (e.g. client code which can see A doesn't know that the B class even exists)
• The methods of B implicitly have access to private members of A; whereas if B weren't nested inside A, B wouldn't be able to access members of A unless those members were internal or public; but then making those members internal or public would expose them to other classes too (not just B); so instead, keep those methods of A private and let B access them by declaring B as a nested class. If you know C++, this is like saying that in C# all nested classes are automatically a 'friend' of the class in which they're contained (and, that declaring a class as nested is the only way to declare friendship in C#, since C# doesn't have a friend keyword).

When I say that B can access private members of A, that's assuming that B has a reference to A; which it often does, since nested classes are often declared like this ...

class A
{
  //used to help implement A
  class B
  {
    A m_a;
    internal B(A a) { m_a = a; }
    ...methods of B can access private members of the m_a instance...
  }
  ...etc...
}

... and constructed from a method of A using code like this ...

//create an instance of B, whose implementation can access members of self
B b = new B(this);

You can see an example in Mehrdad's reply.

First of all, the code you wrote isn't portable, even if you get it to work. Why use OS-specific functions when there is a perfectly platform-independent way of doing it? Here's a version that uses just a single header file and is portable to any platform that implements the C standard library.

#include <stdio.h>

int main(int argc, char **argv)
{
    FILE* sourceFile;
    FILE* destFile;
    char buf[50];
    int numBytes;

    if(argc!=3)
    {
        printf("Usage: fcopy source destination\n");
        return 1;
    }

    sourceFile = fopen(argv[1], "rb");
    destFile = fopen(argv[2], "wb");

    if(sourceFile==NULL)
    {
        printf("Could not open source file\n");
        return 2;
    }
    if(destFile==NULL)
    {
        printf("Could not open destination file\n");
        return 3;
    }

    while(numBytes=fread(buf, 1, 50, sourceFile))
    {
        fwrite(buf, 1, numBytes, destFile);
    }

    fclose(sourceFile);
    fclose(destFile);

    return 0;
}

EDIT: The glibc reference has this to say:

In general, you should stick with using streams rather than file descriptors, unless there is some specific operation you want to do that can only be done on a file descriptor. If you are a beginning programmer and aren't sure what functions to use, we suggest that you concentrate on the formatted input functions (see Formatted Input) and formatted output functions (see Formatted Output).

If you are concerned about portability of your programs to systems other than GNU, you should also be aware that file descriptors are not as portable as streams. You can expect any system running ISO C to support streams, but non-GNU systems may not support file descriptors at all, or may only implement a subset of the GNU functions that operate on file descriptors. Most of the file descriptor functions in the GNU library are included in the POSIX.1 standard, however.

select to_char(current date, 'yyyymmdd') from sysibm.sysdummy1

result: 20160510

You can read the lines and replace all special characters safely this way.
Keep in mind that if you use \\W you will not replace underscores.

Scanner scan = new Scanner(System.in);

while(scan.hasNextLine()){
    System.out.println(scan.nextLine().replaceAll("[^a-zA-Z0-9]", ""));
}

An example how to avoid null e.g. use filter before groupingBy

Filter out the null instances before groupingBy.

MyObjectlist.stream()
            .filter(p -> p.getSomeInstance() != null)
            .collect(Collectors.groupingBy(MyObject::getSomeInstance));

Bitmap bmp = new Bitmap("filename.bmp");

RectangleF rectf = new RectangleF(70, 90, 90, 50);

Graphics g = Graphics.FromImage(bmp);

g.SmoothingMode = SmoothingMode.AntiAlias;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawString("yourText", new Font("Tahoma",8), Brushes.Black, rectf);

g.Flush();

image.Image=bmp;

"inappropriate ioctl for device" is the error string for the ENOTTY error. It used to be triggerred primarily by attempts to configure terminal properties (e.g. echo mode) on a file descriptor that was no terminal (but, say, a regular file), hence ENOTTY. More generally, it is triggered when doing an ioctl on a device that does not support that ioctl, hence the error string.

To find out what ioctl is being made that fails, and on what file descriptor, run the script under strace/truss. You'll recognize ENOTTY, followed by the actual printing of the error message. Then find out what file number was used, and what open() call returned that file number.

Declare array as global across subs in a application:

Public GlobalArray(10) as String
GlobalArray = Array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L')

Sub DisplayArray()
    Dim i As Integer

    For i = 0 to UBound(GlobalArray, 1)
        MsgBox GlobalArray(i)

    Next i
End Sub

Method 2: Pass an array to sub. Use ParamArray.

Sub DisplayArray(Name As String, ParamArray Arr() As Variant)
    Dim i As Integer

    For i = 0 To UBound(Arr())
        MsgBox Name & ": " & Arr(i)
    Next i
End Sub

ParamArray must be the last parameter.

It depends where you put this initialisation.

If the array is static as in

char array[100] = {0};

int main(void)
{
...
}

then it is the compiler that reserves the 100 0 bytes in the data segement of the program. In this case you could have omitted the initialiser.

If your array is auto, then it is another story.

int foo(void)
{
char array[100] = {0};
...
}

In this case at every call of the function foo you will have a hidden memset.

The code above is equivalent to

int foo(void)
{ 
char array[100];

memset(array, 0, sizeof(array));
....
}

and if you omit the initializer your array will contain random data (the data of the stack).

If your local array is declared static like in

int foo(void)
{ 
static char array[100] = {0};
...
}

then it is technically the same case as the first one.

Almost all CPUs use stack. The program stack is LIFO technique with hardware supported manage.

Stack is amount of program (RAM) memory normally allocated at the top of CPU memory heap and grow (at PUSH instruction the stack pointer is decreased) in opposite direction. A standard term for inserting into stack is PUSH and for remove from stack is POP.

Stack is managed via stack intended CPU register, also called stack pointer, so when CPU perform POP or PUSH the stack pointer will load/store a register or constant into stack memory and the stack pointer will be automatic decreased xor increased according number of words pushed or poped into (from) stack.

Via assembler instructions we can store to stack:

1. CPU registers and also constants.
2. Return addresses for functions or procedures
3. Functions/procedures in/out variables
4. Functions/procedures local variables.

The data binding implementation must be in the onCreateView method of the fragment, delete any data Binding that exist in your OnCreate method, your onCreateView should look like this:

public View onCreateView(LayoutInflater inflater, 
                         @Nullable ViewGroup container, 
                         @Nullable Bundle savedInstanceState) {
    MartianDataBinding binding = DataBindingUtil.inflate(
            inflater, R.layout.martian_data, container, false);
    View view = binding.getRoot();
    //here data must be an instance of the class MarsDataProvider
    binding.setMarsdata(data);
    return view;
}

The easiest way to enumerate a dictionary is

for (NSString *key in tDictionary.keyEnumerator) 
{
    //do something here;
}

where tDictionary is the NSDictionary or NSMutableDictionary you want to iterate.

If you use native sql, you can refer to my code, otherwise just ignore my answer.

SELECT * FROM table WHERE tags LIKE "%banana%";

from sqlalchemy import text

bar_tags = "banana"

# '%' attention to spaces
query_sql = """SELECT * FROM table WHERE tags LIKE '%' :bar_tags '%'"""

# db is sqlalchemy session object
tags_res_list = db.execute(text(query_sql), {"bar_tags": bar_tags}).fetchall()

$arr = array ( 0 => "lorem", 1 => "ipsum", 2 => "dolor");

$str = implode (", ", $arr);

Clarifications to the preceding posts:

References are NOT a guarantee of getting a non-null pointer. (Though we often treat them as such.)

While horrifically bad code, as in take you out behind the woodshed bad code, the following will compile & run: (At least under my compiler.)

bool test( int & a)
{
  return (&a) == (int *) NULL;
}

int
main()
{
  int * i = (int *)NULL;
  cout << ( test(*i) ) << endl;
};

The real issue I have with references lies with other programmers, henceforth termed IDIOTS, who allocate in the constructor, deallocate in the destructor, and fail to supply a copy constructor or operator=().

Suddenly there's a world of difference between foo(BAR bar) and foo(BAR & bar). (Automatic bitwise copy operation gets invoked. Deallocation in destructor gets invoked twice.)

Thankfully modern compilers will pick up this double-deallocation of the same pointer. 15 years ago, they didn't. (Under gcc/g++, use setenv MALLOC_CHECK_ 0 to revisit the old ways.) Resulting, under DEC UNIX, in the same memory being allocated to two different objects. Lots of debugging fun there...

More practically:

• References hide that you are changing data stored someplace else.
• It's easy to confuse a Reference with a Copied object.
• Pointers make it obvious!

Ctrl-Alt-Down: copies current line or selected lines to below

Ctrl-Alt-Up:: copies current line or selected lines to above

Ctrl-Shift-L: brings up a List of shortcut keys

See Windows/Preference->General->Keys.

The only way to truly test if a variable is undefined is to do the following. Remember, undefined is an object in JavaScript.

if (typeof someVar === 'undefined') {
  // Your variable is undefined
}

Some of the other solutions in this thread will lead you to believe a variable is undefined even though it has been defined (with a value of NULL or 0, for instance).

BTW, if anyone want to get coordinates of element on screen without jQuery, please try this:

function getOffsetTop (el) {
    if (el.offsetParent) return el.offsetTop + getOffsetTop(el.offsetParent)
    return el.offsetTop || 0
}
function getOffsetLeft (el) {
    if (el.offsetParent) return el.offsetLeft + getOffsetLeft(el.offsetParent)
    return el.offsetleft || 0
}
function coordinates(el) {
    var y1 = getOffsetTop(el) - window.scrollY;
    var x1 = getOffsetLeft(el) - window.scrollX; 
    var y2 = y1 + el.offsetHeight;
    var x2 = x1 + el.offsetWidth;
    return {
        x1: x1, x2: x2, y1: y1, y2: y2
    }
}

http://docs.oracle.com/javase/7/docs/api/javax/swing/JTable.html

You will find these methods in it:

getValueAt(int row, int column)
getSelectedRow()
getSelectedColumn()

Use a mix of these to achieve your result.

sys.executable is not reliable if working in an embedded python environment. My suggestions is to deduce it from

import os
os.__file__

Set focus on the first text field:

 $("input:text:visible:first").focus();

This also does the first text field, but you can change the [0] to another index:

$('input[@type="text"]')[0].focus(); 

Or, you can use the ID:

$("#someTextBox").focus();

Maybe

df <- do.call("cbind", list(df, rep(list(NA),length(namevector))))
colnames(df)[-1*(1:(ncol(df) - length(namevector)))] <- namevector

Using Async task

call when you want to download file : new DownloadFileFromURL().execute(file_url);

public class MainActivity extends Activity {

    // Progress Dialog
    private ProgressDialog pDialog;
    public static final int progress_bar_type = 0;

    // File url to download
    private static String file_url = "http://www.qwikisoft.com/demo/ashade/20001.kml";

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        new DownloadFileFromURL().execute(file_url);

    }

    /**
     * Showing Dialog
     * */

    @Override
    protected Dialog onCreateDialog(int id) {
        switch (id) {
        case progress_bar_type: // we set this to 0
            pDialog = new ProgressDialog(this);
            pDialog.setMessage("Downloading file. Please wait...");
            pDialog.setIndeterminate(false);
            pDialog.setMax(100);
            pDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
            pDialog.setCancelable(true);
            pDialog.show();
            return pDialog;
        default:
            return null;
        }
    }

    /**
     * Background Async Task to download file
     * */
    class DownloadFileFromURL extends AsyncTask<String, String, String> {

        /**
         * Before starting background thread Show Progress Bar Dialog
         * */
        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            showDialog(progress_bar_type);
        }

        /**
         * Downloading file in background thread
         * */
        @Override
        protected String doInBackground(String... f_url) {
            int count;
            try {
                URL url = new URL(f_url[0]);
                URLConnection connection = url.openConnection();
                connection.connect();

                // this will be useful so that you can show a tipical 0-100%
                // progress bar
                int lenghtOfFile = connection.getContentLength();

                // download the file
                InputStream input = new BufferedInputStream(url.openStream(),
                        8192);

                // Output stream
                OutputStream output = new FileOutputStream(Environment
                        .getExternalStorageDirectory().toString()
                        + "/2011.kml");

                byte data[] = new byte[1024];

                long total = 0;

                while ((count = input.read(data)) != -1) {
                    total += count;
                    // publishing the progress....
                    // After this onProgressUpdate will be called
                    publishProgress("" + (int) ((total * 100) / lenghtOfFile));

                    // writing data to file
                    output.write(data, 0, count);
                }

                // flushing output
                output.flush();

                // closing streams
                output.close();
                input.close();

            } catch (Exception e) {
                Log.e("Error: ", e.getMessage());
            }

            return null;
        }

        /**
         * Updating progress bar
         * */
        protected void onProgressUpdate(String... progress) {
            // setting progress percentage
            pDialog.setProgress(Integer.parseInt(progress[0]));
        }

        /**
         * After completing background task Dismiss the progress dialog
         * **/
        @Override
        protected void onPostExecute(String file_url) {
            // dismiss the dialog after the file was downloaded
            dismissDialog(progress_bar_type);

        }

    }
}

if not working in 4.0 then add:

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

The DATEADD() function adds or subtracts a specified time interval from a date.

DATEADD(datepart,number,date)

datepart(interval) can be hour, second, day, year, quarter, week etc; number (increment int); date(expression smalldatetime)

For example if you want to add 30 days to current date you can use something like this

 select dateadd(dd, 30, getdate())

To Substract 30 days from current date

select dateadd(dd, -30, getdate())

if (strstr($_SERVER['REQUEST_URI'],'index.php')){
    header('HTTP/1.0 404 Not Found');
    echo "<h1>404 Not Found</h1>";
    echo "The page that you have requested could not be found.";
    exit();
}

If you look at the last two echo lines, that's where you'll see the content. You can customize it however you want.

Public SUB test()
    Dim mdate As Date
    mdate = now()
    MsgBox (Round(CDbl(mdate), 0))
End SUB

Here is the one command to install python3 on Amazon linux ec2 instance:

$sudo yum install python3 -y

$python3 --version

Python 3.7.6

if not exist "%USERPROFILE%\.qgis-custom\" (
    mkdir "%USERPROFILE%\.qgis-custom" 2>nul
    if not errorlevel 1 (
        xcopy "%OSGEO4W_ROOT%\qgisconfig" "%USERPROFILE%\.qgis-custom" /s /v /e
    )
)

You have it almost done. The logic is correct, just some little changes.

This code checks for the existence of the folder (see the ending backslash, just to differentiate a folder from a file with the same name).

If it does not exist then it is created and creation status is checked. If a file with the same name exists or you have no rights to create the folder, it will fail.

If everyting is ok, files are copied.

All paths are quoted to avoid problems with spaces.

It can be simplified (just less code, it does not mean it is better). Another option is to always try to create the folder. If there are no errors, then copy the files

mkdir "%USERPROFILE%\.qgis-custom" 2>nul 
if not errorlevel 1 (
    xcopy "%OSGEO4W_ROOT%\qgisconfig" "%USERPROFILE%\.qgis-custom" /s /v /e
)

In both code samples, files are not copied if the folder is not being created during the script execution.

EDITED - As dbenham comments, the same code can be written as a single line

md "%USERPROFILE%\.qgis-custom" 2>nul && xcopy "%OSGEO4W_ROOT%\qgisconfig" "%USERPROFILE%\.qgis-custom" /s /v /e

The code after the && will only be executed if the previous command does not set errorlevel. If mkdir fails, xcopy is not executed.

I had the same problem, when I saw that my Node.js installation is outdated.

These few lines will handle everything (for Ubuntu):

sudo npm cache clean -f
sudo npm install -g n
sudo n stable

After this node -v will return you the latest available version.

You can use this Stopwatch wrapper:

public class Benchmark : IDisposable 
{
    private readonly Stopwatch timer = new Stopwatch();
    private readonly string benchmarkName;

    public Benchmark(string benchmarkName)
    {
        this.benchmarkName = benchmarkName;
        timer.Start();
    }

    public void Dispose() 
    {
        timer.Stop();
        Console.WriteLine($"{benchmarkName} {timer.Elapsed}");
    }
}

Usage:

using (var bench = new Benchmark($"Insert {n} records:"))
{
    ... your code here
}

Output:

Insert 10 records: 00:00:00.0617594

For advanced scenarios, you can use BenchmarkDotNet or Benchmark.It or NBench

If you don't want to validate all the calls to doSomething(), only the last one, you can just use ArgumentCaptor.getValue(). According to the Mockito javadoc:

If the method was called multiple times then it returns the latest captured value

So this would work (assumes Foo has a method getName()):

ArgumentCaptor<Foo> fooCaptor = ArgumentCaptor.forClass(Foo.class);
verify(mockBar, times(2)).doSomething(fooCaptor.capture());
//getValue() contains value set in second call to doSomething()
assertEquals("2nd one", fooCaptor.getValue().getName());

You could make use of Prepared Stements like this.

set @query = concat( "select name from " );
set @query = concat( "table_name"," [where condition] " );

prepare stmt from @like_q;
execute stmt;

Edit the httpd.conf file and replace the line DocumentRoot "/home/user/www" to your liked one.

The default DocumentRoot path will be different for windows [the above is for linux].

You could also try:

$date->modify("+30 days");

I had the same problem. But What I did is I imported the .java files and then I went to Search->File-> and then changed the package name to whatever package it should belong in this way I fixed a lot of java files which otherwise would require to go to every file and change them manually.

In current code folder.

git remote add origin http://yourdomain-of-git.com/project.git
git push --set-upstream origin master

Then review by

git remote --v

You can access sequence elements with arr.0 arr.1 and so on. See The Django template system chapter of the django book for more information.

Try

SELECT li.clientid, group_concat(li.views ORDER BY li.views) AS views,
       group_concat(li.percentage ORDER BY li.percentage) 
FROM table_views li 
GROUP BY client_id

http://dev.mysql.com/doc/refman/5.0/en/group-by-functions.html#function%5Fgroup-concat

The biggest difference are the enterprise services (hence the ee) such as an application server supporting EJBs etc.

I would think you would be better off excluding the characters you don't want with a regex. Trying to get every umlaut, accented e, hyphen, etc. will be pretty insane. Just exclude digits (but then what about a guy named "George Forman the 4th") and symbols you know you don't want like @#$%^ or what have you. But even then, using a regex will only guarantee that the input matches the regex, it will not tell you that it is a valid name

EDIT after clarifying that this is trying to prevent XSS: A regex on a name field is obviously not going to stop XSS on it's own. However, this article has a section on filtering that is a starting point if you want to go that route.

http://tldp.org/HOWTO/Secure-Programs-HOWTO/cross-site-malicious-content.html

s/[\<\>\"\'\%\;\(\)\&\+]//g;

Solution With Less XAML and More C#

If you define the ListView in XAML:

<ListView x:Name="listView"/>

Then you can add columns and populate it in C#:

public Window()
{
    // Initialize
    this.InitializeComponent();

    // Add columns
    var gridView = new GridView();
    this.listView.View = gridView;
    gridView.Columns.Add(new GridViewColumn { 
        Header = "Id", DisplayMemberBinding = new Binding("Id") });
    gridView.Columns.Add(new GridViewColumn { 
        Header = "Name", DisplayMemberBinding = new Binding("Name") });

    // Populate list
    this.listView.Items.Add(new MyItem { Id = 1, Name = "David" });
}

See definition of MyItem below.

Solution With More XAML and less C#

However, it's easier to define the columns in XAML (inside the ListView definition):

<ListView x:Name="listView">
    <ListView.View>
        <GridView>
            <GridViewColumn Header="Id" DisplayMemberBinding="{Binding Id}"/>
            <GridViewColumn Header="Name" DisplayMemberBinding="{Binding Name}"/>
        </GridView>
    </ListView.View>
</ListView>

And then just populate the list in C#:

public Window()
{
    // Initialize
    this.InitializeComponent();

    // Populate list
    this.listView.Items.Add(new MyItem { Id = 1, Name = "David" });
}

See definition of MyItem below.

MyItem Definition

MyItem is defined like this:

public class MyItem
{
    public int Id { get; set; }

    public string Name { get; set; }
}

You can use borders for fixed colors.

 borderTop: solid 15px black;

and for gradient background you can use:

    box-sizing: border-box;
    border-style: solid;
    border-top: 0px;
    border-left: 0px;
    border-right: 0px;
    border-image: linear-gradient(to right, red, blue) 100%;
    border-image-slice: 1;
    border-width: 18px;

Adding this in conf.d fixed this issue for me.

Options +Indexes +FollowSymLinks

I hate that there's no "global" way to programmatically dismiss the keyboard without using private API calls. Frequently, I have the need to dismiss the keyboard programmatically without knowing what object is the first responder. I've resorted to inspecting the self using the Objective-C runtime API, enumerating through all of its properties, pulling out those which are of type UITextField, and sending them the resignFirstResponder message.

It shouldn't be this hard to do this...

Starting from Jersey 2.x, the MultivaluedMapImpl class is replaced by MultivaluedHashMap. You can use it to add form data and send it to the server:

    WebTarget webTarget = client.target("http://www.example.com/some/resource");
    MultivaluedMap<String, String> formData = new MultivaluedHashMap<String, String>();
    formData.add("key1", "value1");
    formData.add("key2", "value2");
    Response response = webTarget.request().post(Entity.form(formData));

Note that the form entity is sent in the format of "application/x-www-form-urlencoded".

This can be used to merge any number of files specified on the command:

jq -rs 'reduce .[] as $item ({}; . * $item)' file1.json file2.json file3.json ... file10.json

or this for any number of files

jq -rs 'reduce .[] as $item ({}; . * $item)' ./*.json

You can use WhiteNoise to serve static files in production.

Install:

pip install WhiteNoise==2.0.6

And change your wsgi.py file to this:

from django.core.wsgi import get_wsgi_application
from whitenoise.django import DjangoWhiteNoise

application = get_wsgi_application()
application = DjangoWhiteNoise(application)

And you're good to go!

Credit to Handlebar Creative Blog.

BUT, it's really not recommended serving static files this way in production. Your production web server(like nginx) should take care of that.

I landed on the same exact exception because I forgot to activate the virtual environment.

If you are using SQL Server 2012 or later, you can use:

SELECT FORMAT(MyDate, 'MMMM dd yyyy')

You can view the documentation for more information on the format.

This error happens when there is a error in your OnStart method. You cannot open a host directly in OnStart method because it will not actually open when it is called, but instead it will wait for the control. So you have to use a thread. This is my example.

public partial class Service1 : ServiceBase
{
    ServiceHost host;
    Thread hostThread;
    public Service1()
    {
        InitializeComponent();
         hostThread= new Thread(new ThreadStart(StartHosting));

    }

    protected override void OnStart(string[] args)
    {
        hostThread.Start();
    }

    protected void StartHosting()
    {
        host = new ServiceHost(typeof(WCFAuth.Service.AuthService));
        host.Open();
    }

    protected override void OnStop()
    {
        if (host != null)
            host.Close();
    }
}

Set

 Dictionary<int, string> states = new Dictionary<int, string>()

as a property outside the function and inside the function insert the entries, it should work.

Setting Sublime Text 2 as Git commit editor in Mac OSX 10

Run this command:

$ git config --global core.editor "/Applications/Sublime\ Text\ 2.app/Contents/SharedSupport/bin/subl"

Or just:

$ git config --global core.editor "subl -w"

In a .txt file opened with Notepad++,
press Ctrl-F
go in the tab "Replace"
write the regex pattern \|.+ in the space Find what
and let the space Replace with blank

Then tick the choice matches newlines after the choice Regular expression
and press two times on the Replace button

As Rob mentioned, you probably just want to print the float to 1 decimal place. In this case, you can do something like the following:

#include <stdio.h>
#include <stdlib.h>

int main()
{
  float conver = 45.592346543;
  printf("conver is %0.1f\n",conver);
  return 0;
}

If you want to actually round the stored value, that's a little more complicated. For one, your one-decimal-place representation will rarely have an exact analog in floating-point. If you just want to get as close as possible, something like this might do the trick:

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main()
{
  float conver = 45.592346543;
  printf("conver is %0.1f\n",conver);

  conver = conver*10.0f;
  conver = (conver > (floor(conver)+0.5f)) ? ceil(conver) : floor(conver);
  conver = conver/10.0f;

  //If you're using C99 or better, rather than ANSI C/C89/C90, the following will also work.
  //conver = roundf(conver*10.0f)/10.0f;

  printf("conver is now %f\n",conver);
  return 0;
}

I doubt this second example is what you're looking for, but I included it for completeness. If you do require representing your numbers in this way internally, and not just on output, consider using a fixed-point representation instead.

Another thing to mention is that atan2 is more stable when computing tangents using an expression like atan(y / x) and x is 0 or close to 0.

useState is a hook that lets you add state to a functional component. It accepts an argument which is the initial value of the state property and returns the current value of state property and a method which is capable of updating that state property.
Following is a simple example:

import React, {useState} from react    

function HookCounter {    
  const [count, stateCount]= useState(0)    
    return(    
      <div>     
        <button onClick{( ) => setCount(count+1)}> count{count}</button>    
      </div>    
    )   
 }

useState accepts the initial value of the state variable which is zero in this case and returns a pair of values. The current value of the state has been called count and a method that can update the state variable has been called as setCount.

The only way I could get this to work (on Linux) was to follow this advice:

https://wiki.jenkins-ci.org/display/JENKINS/Parameterized+System+Groovy+script

import hudson.model.*

// get current thread / Executor and current build
def thr = Thread.currentThread()
def build = thr?.executable

// if you want the parameter by name ...
def hardcoded_param = "FOOBAR"
def resolver = build.buildVariableResolver
def hardcoded_param_value = resolver.resolve(hardcoded_param)

println "param ${hardcoded_param} value : ${hardcoded_param_value}"

This is on Jenkins 1.624 running on CentOS 6.7

If I use exit() in a code and run it in the shell, it shows a message asking whether I want to kill the program or not. It's really disturbing. See here

But sys.exit() is better in this case. It closes the program and doesn't create any dialogue box.

Yes, it is because you are using auto layout. Setting the view frame and resizing mask will not work.

You should read Working with Auto Layout Programmatically and Visual Format Language.

You will need to get the current constraints, add the text field, adjust the contraints for the text field, then add the correct constraints on the text field.

make takes a makefile as input. Makefile usually is named makefile or Makefile. The configure command should generate a makefile, so that make could be in turn executed. Check if a makefile has been generated under your working directory.

Another way you can achieve the desired effect is to use this Material Search View library. It handles search history automatically and it's possible to provide search suggestions to the view as well.

Sample: (It's shown in Portuguese, but it also works in english and italian).

Setup

Before you can use this lib, you have to implement a class named MsvAuthority inside the br.com.mauker package on your app module, and it should have a public static String variable called CONTENT_AUTHORITY. Give it the value you want and don't forget to add the same name on your manifest file. The lib will use this file to set the Content Provider authority.

Example:

MsvAuthority.java

package br.com.mauker;

public class MsvAuthority {
    public static final String CONTENT_AUTHORITY = "br.com.mauker.materialsearchview.searchhistorydatabase";
}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest ...>

    <application ... >
        <provider
        android:name="br.com.mauker.materialsearchview.db.HistoryProvider"
        android:authorities="br.com.mauker.materialsearchview.searchhistorydatabase"
        android:exported="false"
        android:protectionLevel="signature"
        android:syncable="true"/>
    </application>

</manifest>

Usage

To use it, add the dependency:

compile 'br.com.mauker.materialsearchview:materialsearchview:1.2.0'

And then, on your Activity layout file, add the following:

<br.com.mauker.materialsearchview.MaterialSearchView
    android:id="@+id/search_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>

After that, you'll just need to get the MaterialSearchView reference by using getViewById(), and open it up or close it using MaterialSearchView#openSearch() and MaterialSearchView#closeSearch().

P.S.: It's possible to open and close the view not only from the Toolbar. You can use the openSearch() method from basically any Button, such as a Floating Action Button.

// Inside onCreate()
MaterialSearchView searchView = (MaterialSearchView) findViewById(R.id.search_view);
Button bt = (Button) findViewById(R.id.button);

bt.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            searchView.openSearch();
        }
    });

You can also close the view using the back button, doing the following:

@Override
public void onBackPressed() {
    if (searchView.isOpen()) {
        // Close the search on the back button press.
        searchView.closeSearch();
    } else {
        super.onBackPressed();
    }
}

For more information on how to use the lib, check the github page.

You absolutely need to know where the files to be read can be located. However, this information can be relative of course so it may be well adapted to other systems.

So it could relate to the current directory (get it from Directory.GetCurrentDirectory()) or to the application executable path (eg. Application.ExecutablePath comes to mind if using Windows Forms or via Assembly.GetEntryAssembly().Location) or to some special Windows directory like "Documents and Settings" (you should use Environment.GetFolderPath() with one element of the Environment.SpecialFolder enumeration).

Note that the "current directory" and the path of the executable are not necessarily identical. You need to know where to look!

In either case, if you need to manipulate a path use the Path class to split or combine parts of the path.

Assume that you have

const appRoutes: Routes = [
  {path: 'recipes', component: RecipesComponent }
];

<a routerLink ="recipes">Recipes</a>

It means that clicking Recipes hyperlink will jump to http://localhost:4200/recipes

Assume that the parameter is 1

<a [routerLink] = "['/recipes', parameter]"></a>

It means that passing dynamic parameter, 1 to the link, then you navigate to http://localhost:4200/recipes/1

In my case it was linked with CocoaPods. I've spent a bunch of time to find what was the reason, cause everything seemed correct. I found it over here https://github.com/CocoaPods/CocoaPods/issues/7003. I just moved the "[CP] Copy Pods Resources" and "[CP] Embed Pods Frameworks" above "Copy Bundle Resources" in the Build Phases and the error dissapeared.

try using a different valid login using RUNAS command

runas /user:domain\user “C:\Program Files\Microsoft SQL Server\90\Tools\Binn\VSShell\Common7\IDE\ssmsee.exe” 

runas /user:domain\user “C:\WINDOWS\system32\mmc.exe /s \”C:\Program Files\Microsoft SQL Server\80\Tools\BINN\SQL Server Enterprise Manager.MSC\”" 

runas /user:domain\user isqlw 

Final working solution using @Arrigo response and @Samitha Chathuranga comment, I'll put all together to build a full response for this question:

1. Suppose you have your project folder on PC;

2. Create a new repository on bitbucket:

3. Press on I have an existing project:

4. Open Git CMD console and type command 1 from second picture(go to your project folder on your PC)

5. Type command git init

6. Type command git add --all

7. Type command 2 from second picture (git remote add origin YOUR_LINK_TO_REPO)

8. Type command git commit -m "my first commit"

9. Type command git push -u origin master

Note: if you get error unable to detect email or name, just type following commands after 5th step:

 git config --global user.email "yourEmail"  #your email at Bitbucket
 git config --global user.name "yourName"  #your name at Bitbucket

You may use display:table/table-cell;

.a{_x000D_
   position: absolute; _x000D_
  left: 50px; _x000D_
  top: 50px;_x000D_
  display:table;_x000D_
}_x000D_
.b{_x000D_
  text-align: left; _x000D_
  display:table-cell;_x000D_
  height: 56px;_x000D_
  vertical-align: middle;_x000D_
  background-color: pink;_x000D_
}_x000D_
.c {_x000D_
  background-color: lightblue;_x000D_
}

<div class="a">_x000D_
  <div  class="b">_x000D_
    <div class="c" >test</div>_x000D_
  </div>_x000D_
</div>

The most straight forward answer to this question is: You can't.

Youtube doesn't output their video's in the right format, thus they can't be embedded in a
<video/> element.

There are a few solutions posted using javascript, but don't trust on those, they all need a fallback, and won't work cross-browser.

Another way to set the data- attribute is using the dataset property.

<div id="user" data-id="1234567890" data-user="johndoe" data-date-of-birth>John Doe</div>

const el = document.querySelector('#user');

// el.id == 'user'
// el.dataset.id === '1234567890'
// el.dataset.user === 'johndoe'
// el.dataset.dateOfBirth === ''

// set the data attribute
el.dataset.dateOfBirth = '1960-10-03'; 
// Result: el.dataset.dateOfBirth === 1960-10-03

delete el.dataset.dateOfBirth;
// Result: el.dataset.dateOfBirth === undefined

// 'someDataAttr' in el.dataset === false
el.dataset.someDataAttr = 'mydata';
// Result: 'someDataAttr' in el.dataset === true

1.

first of all Port 80(or what ever you are using) and 443 must be allow for both TCP and UDP packets. To do this, create 2 inbound rules for TPC and UDP on Windows Firewall for port 80 and 443. (or you can disable your whole firewall for testing but permanent solution if allow inbound rule)

2.

If you are using WAMPServer 3 See bottom of answer

For WAMPServer versions <= 2.5

You need to change the security setting on Apache to allow access from anywhere else, so edit your httpd.conf file.

Change this section from :

#   onlineoffline tag - don't remove
     Order Deny,Allow
     Deny from all
     Allow from 127.0.0.1
     Allow from ::1
     Allow from localhost

To :

#   onlineoffline tag - don't remove
    Order Allow,Deny
      Allow from all

if "Allow from all" line not work for your then use "Require all granted" then it will work for you.

WAMPServer 3 has a different method

In version 3 and > of WAMPServer there is a Virtual Hosts pre defined for localhost so dont amend the httpd.conf file at all, leave it as you found it.

Using the menus, edit the httpd-vhosts.conf file.

It should look like this :

<VirtualHost *:80>
    ServerName localhost
    DocumentRoot D:/wamp/www
    <Directory  "D:/wamp/www/">
        Options +Indexes +FollowSymLinks +MultiViews
        AllowOverride All
        Require local
    </Directory>
</VirtualHost>

Amend it to

<VirtualHost *:80>
    ServerName localhost
    DocumentRoot D:/wamp/www
    <Directory  "D:/wamp/www/">
        Options +Indexes +FollowSymLinks +MultiViews
        AllowOverride All
        Require all granted
    </Directory>
</VirtualHost>

Note:if you are running wamp for other than port 80 then VirtualHost will be like VirtualHost *:86.(86 or port whatever you are using) instead of VirtualHost *:80

3. Dont forget to restart All Services of Wamp or Apache after making this change

i would recommend Modern UI for WPF .

It has a very active maintainer it is awesome and free!

I'm currently porting some projects to MUI, first (and meanwhile second) impression is just wow!

To see MUI in action you could download XAML Spy which is based on MUI.

EDIT: Using Modern UI for WPF a few months and i'm loving it!

For those coming into 2017, this is the new solution with IndexRedirect:

<Route path="/" component={App}>
  <IndexRedirect to="/welcome" />
  <Route path="welcome" component={Welcome} />
  <Route path="about" component={About} />
</Route>

Simple solution source='category.name' where category is foreign key and .name it's attribute.

from rest_framework.serializers import ModelSerializer, ReadOnlyField
from my_app.models import Item

class ItemSerializer(ModelSerializer):
    category_name = ReadOnlyField(source='category.name')

    class Meta:
        model = Item
        fields = "__all__"

Use eval:

x="ls | wc"
eval "$x"
y=$(eval "$x")
echo "$y"

Rather than going the harder route of downloading specific packages. I prefer to go the faster route of using Conda. pip has its issues.

• Python -v (3.6.0)
• Windows 10 (64 bit)

Conda , install conda from : https://conda.io/docs/install/quick.html#windows-miniconda-install

command prompt

C:\Users\xyz>conda install -c anaconda scipy=0.18.1
Fetching package metadata .............
Solving package specifications:

Package plan for installation in environment C:\Users\xyz\Miniconda3:

The following NEW packages will be INSTALLED:

mkl:       2017.0.1-0         anaconda
numpy:     1.12.0-py36_0      anaconda
scipy:     0.18.1-np112py36_1 anaconda

The following packages will be SUPERCEDED by a higher-priority channel:

conda:     4.3.11-py36_0               --> 4.3.11-py36_0 anaconda
conda-env: 2.6.0-0                     --> 2.6.0-0       anaconda

Proceed ([y]/n)? y

conda-env-2.6. 100% |###############################| Time: 0:00:00  32.92 kB/s
mkl-2017.0.1-0 100% |###############################| Time: 0:00:24   5.45 MB/s
numpy-1.12.0-p 100% |###############################| Time: 0:00:00   5.09 MB/s
scipy-0.18.1-n 100% |###############################| Time: 0:00:02   5.59 MB/s
conda-4.3.11-p 100% |###############################| Time: 0:00:00   4.70 MB/s

#include<iostream>
#include<ctime>

int main()
{
    std::time_t t = std::time(0);  // t is an integer type
    std::cout << t << " seconds since 01-Jan-1970\n";
    return 0;
}

Short answer is that you don't 'decrypt' the password (because it's not encrypted - it's hashed).

The long answer is that you shouldn't send the user their password by email, or any other way. If the user has forgotten their password, you should send them a password reset email, and allow them to change their password on your website.

Laravel has most of this functionality built in (see the Laravel documentation - I'm not going to replicate it all here. Also available for versions 4.2 and 5.0 of Laravel).

For further reading, check out this 'blogoverflow' post: Why passwords should be hashed.

If you ever happen to get this issue after running a git fetch and then git is not allowing you to run git pull because of a merge conflict (both modified / unmerged files, and to make you more frustrated, it won't show you any conflict markers in the file since it's not yet merged). If you do not wish to lose your work, you can do the following.

stage the file.

$ git add filename

then stash the local changes.

$ git stash

pull and update your working directory

$ git pull

restore your local modified file (git will automatically merge if it can, otherwise resolve it)

$ git stash pop

Hope it will help.

Adding on to the top rated answer, with a helpful utility...

valueOf() throws two different Exceptions in cases where it doesn't like its input.

• IllegalArgumentException
• NullPointerExeption

If your requirements are such that you don't have any guarantee that your String will definitely match an enum value, for example if the String data comes from a database and could contain old version of the enum, then you'll need to handle these often...

So here's a reusable method I wrote which allows us to define a default Enum to be returned if the String we pass doesn't match.

private static <T extends Enum<T>> T valueOf( String name , T defaultVal) {
        try {
            return Enum.valueOf(defaultVal.getDeclaringClass() , name);
        } catch (IllegalArgumentException | NullPointerException e) {
            return defaultVal;
        }
    }

Use it like this:

public enum MYTHINGS {
    THINGONE,
    THINGTWO
}

public static void main(String [] asd) {
  valueOf("THINGTWO" , MYTHINGS.THINGONE);//returns MYTHINGS.THINGTWO
  valueOf("THINGZERO" , MYTHINGS.THINGONE);//returns MYTHINGS.THINGONE
}

I do not think there is a method for that. The fragment rebuilds it's UI on onCreateView()... but that happens when the fragment is created or recreated.

You'll have to implement your own updateUI method or where you will specify what elements and how they should update. It's rather a good practice, since you need to do that when the fragment is created anyway.

However if this is not enough you could do something like replacing fragment with the same one forcing it to call onCreateView()

FragmentTransaction tr = getFragmentManager().beginTransaction();
tr.replace(R.id.your_fragment_container, yourFragmentInstance);
tr.commit()

NOTE

To refresh ListView you need to call notifyDataSetChanged() on the ListView's adapter.

use ILIKE

SELECT * FROM trees WHERE trees.`title` ILIKE '%elm%';

it worked for me !!

The solution is the /Y switch:

xcopy "C:\Users\ADMIN\Desktop\*.*" "D:\Backup\" /K /D /H /Y

try changing OUT to INOUT for your out_number parameter definition.

CREATE PROCEDURE my_sqrt(input_number INT, INOUT out_number FLOAT)

INOUT means that the input variable for out_number (@out_value in your case.) will also serve as the output variable from which you can select the value from.

Even they seem to identical(same implemented inteface List - non thread-safe),they give different results in terms of performance in add/delete and searching time and consuming memory (LinkedList consumes more).

LinkedLists can be used if you use highly insertion/deletion with performance O(1). ArrayLists can be used if you use direct access operations with performance O(1)

This code may make clear of these comments and you can try to understand performance results. (Sorry for boiler plate code)

public class Test {

    private static Random rnd;


    static {
        rnd = new Random();
    }


    static List<String> testArrayList;
    static List<String> testLinkedList;
    public static final int COUNT_OBJ = 2000000;

    public static void main(String[] args) {
        testArrayList = new ArrayList<>();
        testLinkedList = new LinkedList<>();

        insertSomeDummyData(testLinkedList);
        insertSomeDummyData(testArrayList);

        checkInsertionPerformance(testLinkedList);  //O(1)
        checkInsertionPerformance(testArrayList);   //O(1) -> O(n)

        checkPerformanceForFinding(testArrayList);  // O(1)
        checkPerformanceForFinding(testLinkedList); // O(n)

    }


    public static void insertSomeDummyData(List<String> list) {
        for (int i = COUNT_OBJ; i-- > 0; ) {
            list.add(new String("" + i));
        }
    }

    public static void checkInsertionPerformance(List<String> list) {

        long startTime, finishedTime;
        startTime = System.currentTimeMillis();
        int rndIndex;
        for (int i = 200; i-- > 0; ) {
            rndIndex = rnd.nextInt(100000);
            list.add(rndIndex, "test");
        }
        finishedTime = System.currentTimeMillis();
        System.out.println(String.format("%s time passed at insertion:%d", list.getClass().getSimpleName(), (finishedTime - startTime)));
    }

    public static void checkPerformanceForFinding(List<String> list) {

        long startTime, finishedTime;
        startTime = System.currentTimeMillis();
        int rndIndex;
        for (int i = 200; i-- > 0; ) {
            rndIndex = rnd.nextInt(100000);
            list.get(rndIndex);
        }
        finishedTime = System.currentTimeMillis();
        System.out.println(String.format("%s time passed at searching:%d", list.getClass().getSimpleName(), (finishedTime - startTime)));

    }

}

Take a look at this thread: http://code.google.com/p/chromium/issues/detail?id=4158

The problem is caused by javascript method "window.open(URL, windowName[, windowFeatures])". If the 3rd parameter windowFeatures is specified, then alert box doesn't work in the popup constrained window in Chrome, here is a simplified reduction:

http://go/reductions/4158/test-home-constrained.html

If the 3rd parameter windowFeatures is ignored, then alert box works in the popup in Chrome(the popup is actually opened as a new tab in Chrome), like this:

http://go/reductions/4158/test-home-newtab.html

it doesn't happen in IE7, Firefox3 or Safari3, it's a chrome specific issue.

See also attachments for simplified reductions

There's two simple answers to the question.

This is the "Professional way":

//This just terminates the program.
System.exit(0);

This is a more clumsier way:

//This just terminates the program, just like System.exit(0).
return;

Rephrasing one of the answers in this post, instead of using cmd.split(). Try to use:

import shlex

args = shlex.split(cmd)

Then feed args to subprocess.Popen.

Check this doc for more info: https://docs.python.org/2/library/subprocess.html#popen-constructor

See http://caniuse.com/#search=minlength. Some browsers may not support this attribute.

If the value of the "type" is one of them:

text, email, search, password, tel, or URL (warning: not include number | no browser support "tel" now - 2017.10)

Use the minlength(/ maxlength) attribute. It specifies the minimum number of characters.

For example,

<input type="text" minlength="11" maxlength="11" pattern="[0-9]*" placeholder="input your phone number">

Or use the "pattern" attribute:

<input type="text" pattern="[0-9]{11}" placeholder="input your phone number">

If the "type" is number, although minlength(/ maxlength) is not be supported, you can use the min(/ max) attribute instead of it.

For example,

<input type="number" min="100" max="999" placeholder="input a three-digit number">

I took Joe Love's answer and rewrote it using the IN operator with sub-selects instead of = to make the function faster (according to Hubbitus's suggestion):

create or replace function delete_cascade(p_schema varchar, p_table varchar, p_keys varchar, p_subquery varchar default null, p_foreign_keys varchar[] default array[]::varchar[])
 returns integer as $$
declare

    rx record;
    rd record;
    v_sql varchar;
    v_subquery varchar;
    v_primary_key varchar;
    v_foreign_key varchar;
    v_rows integer;
    recnum integer;

begin

    recnum := 0;
    select ccu.column_name into v_primary_key
        from
        information_schema.table_constraints  tc
        join information_schema.constraint_column_usage AS ccu ON ccu.constraint_name = tc.constraint_name and ccu.constraint_schema=tc.constraint_schema
        and tc.constraint_type='PRIMARY KEY'
        and tc.table_name=p_table
        and tc.table_schema=p_schema;

    for rx in (
        select kcu.table_name as foreign_table_name, 
        kcu.column_name as foreign_column_name, 
        kcu.table_schema foreign_table_schema,
        kcu2.column_name as foreign_table_primary_key
        from information_schema.constraint_column_usage ccu
        join information_schema.table_constraints tc on tc.constraint_name=ccu.constraint_name and tc.constraint_catalog=ccu.constraint_catalog and ccu.constraint_schema=ccu.constraint_schema 
        join information_schema.key_column_usage kcu on kcu.constraint_name=ccu.constraint_name and kcu.constraint_catalog=ccu.constraint_catalog and kcu.constraint_schema=ccu.constraint_schema
        join information_schema.table_constraints tc2 on tc2.table_name=kcu.table_name and tc2.table_schema=kcu.table_schema
        join information_schema.key_column_usage kcu2 on kcu2.constraint_name=tc2.constraint_name and kcu2.constraint_catalog=tc2.constraint_catalog and kcu2.constraint_schema=tc2.constraint_schema
        where ccu.table_name=p_table  and ccu.table_schema=p_schema
        and TC.CONSTRAINT_TYPE='FOREIGN KEY'
        and tc2.constraint_type='PRIMARY KEY'
)
    loop
        v_foreign_key := rx.foreign_table_schema||'.'||rx.foreign_table_name||'.'||rx.foreign_column_name;
        v_subquery := 'select "'||rx.foreign_table_primary_key||'" as key from '||rx.foreign_table_schema||'."'||rx.foreign_table_name||'"
             where "'||rx.foreign_column_name||'"in('||coalesce(p_keys, p_subquery)||') for update';
        if p_foreign_keys @> ARRAY[v_foreign_key] then
            --raise notice 'circular recursion detected';
        else
            p_foreign_keys := array_append(p_foreign_keys, v_foreign_key);
            recnum:= recnum + delete_cascade(rx.foreign_table_schema, rx.foreign_table_name, null, v_subquery, p_foreign_keys);
            p_foreign_keys := array_remove(p_foreign_keys, v_foreign_key);
        end if;
    end loop;

    begin
        if (coalesce(p_keys, p_subquery) <> '') then
            v_sql := 'delete from '||p_schema||'."'||p_table||'" where "'||v_primary_key||'"in('||coalesce(p_keys, p_subquery)||')';
            --raise notice '%',v_sql;
            execute v_sql;
            get diagnostics v_rows = row_count;
            recnum := recnum + v_rows;
        end if;
        exception when others then recnum=0;
    end;

    return recnum;

end;
$$
language PLPGSQL;

Windows has two different settings in which priority is established. There is the metric value which you have already set in the adapter settings, and then there is the connection priority in the network connections settings.

To change the priority of the connections:

• Open your Adapter Settings (Control Panel\Network and Internet\Network Connections)
• Click Alt to pull up the menu bar
• Select Advanced -> Advanced Settings
• Change the order of the connections so that the connection you want to have priority is top on the list

Latest versions of Excel has a new tool called Slicers. Using slicers in VBA is actually more reliable that .CurrentPage (there have been reports of bugs while looping through numerous filter options). Here is a simple example of how you can select a slicer item (remember to deselect all the non-relevant slicer values):

Sub Step_Thru_SlicerItems2()
Dim slItem As SlicerItem
Dim i As Long
Dim searchName as string

Application.ScreenUpdating = False
searchName="Value1"

    For Each slItem In .VisibleSlicerItems
        If slItem.Name <> .SlicerItems(1).Name Then _
            slItem.Selected = False
        Else
            slItem.Selected = True
        End if
    Next slItem
End Sub

There are also services like SmartKato that would help you out with setting up your dashboards or reports and/or fix your code.

nrodic has an amazing answer, and I just wanted to give a small update to let you know that with a small extra function you can extend the contains methid to be case insenstive:

$.expr[":"].contains = $.expr.createPseudo(function(arg) {
    return function( elem ) {
        return $(elem).text().toUpperCase().indexOf(arg.toUpperCase()) >= 0;
    };
});

This is my unzip method, which I use:

private boolean unpackZip(String path, String zipname)
{       
     InputStream is;
     ZipInputStream zis;
     try 
     {
         is = new FileInputStream(path + zipname);
         zis = new ZipInputStream(new BufferedInputStream(is));          
         ZipEntry ze;

         while((ze = zis.getNextEntry()) != null) 
         {
             ByteArrayOutputStream baos = new ByteArrayOutputStream();
             byte[] buffer = new byte[1024];
             int count;

             String filename = ze.getName();
             FileOutputStream fout = new FileOutputStream(path + filename);

             // reading and writing
             while((count = zis.read(buffer)) != -1) 
             {
                 baos.write(buffer, 0, count);
                 byte[] bytes = baos.toByteArray();
                 fout.write(bytes);             
                 baos.reset();
             }

             fout.close();               
             zis.closeEntry();
         }

         zis.close();
     } 
     catch(IOException e)
     {
         e.printStackTrace();
         return false;
     }

    return true;
}

Another interesting solution might be to do this:

<a href="#" itemid="<%itemid%>" itemname="<%itemname%>" onclick="SelectSurveyItem(this.itemid, this.itemname); return false;">Select</a>

Then you can use a standard HTML-encoding on both the variables, without having to worry about the extra complication of the javascript quoting.

Yes, this does create HTML that is strictly invalid. However, it is a valid technique, and all modern browsers support it.

If it was my, I'd probably go with my first suggestion, and ensure the values are HTML-encoded and have single-quotes escaped.

You can not add an element to an array, since arrays, in Java, are fixed-length. However, you could build a new array from the existing one using Arrays.copyOf(array, size) :

public static void main(String[] args) {
    int[] array = new int[] {1, 2, 3};
    System.out.println(Arrays.toString(array));
    array = Arrays.copyOf(array, array.length + 1); //create new array from old array and allocate one more element
    array[array.length - 1] = 4;
    System.out.println(Arrays.toString(array));
}

I would still recommend to drop working with an array and use a List.

With

 void DoWork(int n);

n is a copy of the value of the actual parameter, and it is legal to change the value of n within the function. With

void DoWork(const int &n);

n is a reference to the actual parameter, and it is not legal to change its value.

From MSDN

@@IDENTITY, SCOPE_IDENTITY, and IDENT_CURRENT are similar functions in that they return the last value inserted into the IDENTITY column of a table.

@@IDENTITY and SCOPE_IDENTITY will return the last identity value generated in any table in the current session. However, SCOPE_IDENTITY returns the value only within the current scope; @@IDENTITY is not limited to a specific scope.

IDENT_CURRENT is not limited by scope and session; it is limited to a specified table. IDENT_CURRENT returns the identity value generated for a specific table in any session and any scope. For more information, see IDENT_CURRENT.

• IDENT_CURRENT is a function which takes a table as a argument.
• @@IDENTITY may return confusing result when you have an trigger on the table
• SCOPE_IDENTITY is your hero most of the time.

Try this,

$number = 10;
 switch ($number%2)
 {
 case 0:
 echo "It's even";
 break;
 default:
 echo "It's odd";
 }

In Android Studio goto: File -> Project Structure... -> Notifications (last entry) -> check Google Cloud Messaging

Wait a few seconds and you're done :) import com.google.android.gms.gcm.GcmListenerService should be resolved properly

If it's an NSMutableString (which I would recommend since you're changing it dynamically), you can use:

[myString deleteCharactersInRange:NSMakeRange([myRequestString length]-1, 1)];

You can first make a conditional selection, and sum up the results of the selection using the sum function.

>> df = pd.DataFrame({'a': [1, 2, 3]})
>> df[df.a > 1].sum()   
a    5
dtype: int64

Having more than one condition:

>> df[(df.a > 1) & (df.a < 3)].sum()
a    2
dtype: int64

You can call tail +[line number] [file] and pipe it to grep -n which shows the line number:

tail +[line number] [file] | grep -n /regex/

The only problem with this method is the line numbers reported by grep -n will be [line number] - 1 less than the actual line number in [file].

The default parser can parse your input. So you don't need a custom formatter and

String dateTime = "2012-02-22T02:06:58.147Z";
ZonedDateTime d = ZonedDateTime.parse(dateTime);

works as expected.

The command start [filename] opened the file in my default text editor.

This command also worked for opening a non-.txt file.

• packed means it will use the smallest possible space for struct Ball - i.e. it will cram fields together without padding
• aligned means each struct Ball will begin on a 4 byte boundary - i.e. for any struct Ball, its address can be divided by 4

These are GCC extensions, not part of any C standard.

I renamed the .m2 directory, this didn't help yet, so I installed the newest sdk/jdk and restarted eclipse. This worked.

It seems an SDK was needed and I only had installed a JRE.

Which is weird, because eclipse worked on the same machine for a different older project.

I imported a second maven project, and Run/maven install did only complete after restarting eclipse. So maybe just a restart of eclipse was necessary.

Importing yet another project, and had to do maven install twice before it worked even though I had restarted eclipse.

DBNull.Value is annoying to have to deal with.

I use static methods that check if it's DBNull and then return the value.

SqlDataReader r = ...;
String firstName = getString(r[COL_Firstname]);

private static String getString(Object o) {
   if (o == DBNull.Value) return null;
   return (String) o;
}

Also, when inserting values into a DataRow, you can't use "null", you have to use DBNull.Value.

Have two representations of "null" is a bad design for no apparent benefit.

You're accessing the latitude and longitude incorrectly.

Try

<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">

var geocoder = new google.maps.Geocoder();
var address = "new york";

geocoder.geocode( { 'address': address}, function(results, status) {

  if (status == google.maps.GeocoderStatus.OK) {
    var latitude = results[0].geometry.location.lat();
    var longitude = results[0].geometry.location.lng();
    alert(latitude);
  } 
}); 
</script>

Here is how i did it.

I used the 'beforeunload' event to set a boolean. Then I set a timeout to watch if the 'beforeunload' fired.

var $window = $(window),
    $trigger = $('.select_your_link'),
    fallback = 'your_fallback_url';
    hasHistory = false;

$window.on('beforeunload', function(){
    hasHistory = true;
});

$trigger.on('click', function(){

    window.history.go(-1);

    setTimeout(function(){
        if (!hasHistory){
            window.location.href = fallback;
        }
    }, 200);

    return false;
});

Seems to work in major browsers (tested FF, Chrome, IE11 so far).

I created an arrayList from it and I somehow can't find a way to store this information into a JTable.

The DefaultTableModel doesn't support displaying custom Objects stored in an ArrayList. You need to create a custom TableModel.

You can check out the Bean Table Model. It is a reusable class that will use reflection to find all the data in your FootballClub class and display in a JTable.

Or, you can extend the Row Table Model found in the above link to make is easier to create your own custom TableModel by implementing a few methods. The JButtomTableModel.java source code give a complete example of how you can do this.

<property attribute="attributeValue">proopertyValue</property>

would be one way to look at it.

In C#

[Attribute]
public class Entity
{
    private int Property{get; set;};

If you want to backup all the dbs on the server, without having the worry about that the dbs are called, use the following shell script:

#!/bin/sh

md=`which mongodump`
pidof=`which pidof`
mdi=`$pidof mongod`
dir='/var/backup/mongo'

if [ ! -z "$mdi" ]
   then
        if [ ! -d "$dir" ]
           then
               mkdir -p $dir
           fi
        $md --out $dir >/dev/null 2>&1
   fi

This uses the mongodump utility, which will backup all DBs if none is specified.

You can put this in your cronjob, and it will only run if the mongod process is running. It will also create the backup directory if none exists.

Each DB backup is written to an individual directory, so you can restore individual DBs from the global dump.

Hey, this might not be the most ideal solution, but it works for me. I ended up creating a Python-Markdown LaTeX extension.

https://github.com/justinvh/Markdown-LaTeX

It adds support for inline math and text expressions using a $math$ and %text% syntax. The extension is a preprocessor that will use latex/dvipng to generate pngs for the respective equations/text and then base64 encode the data to inline the images directly, rather than have external images.

The data is then put in a simple-delimited cache file that encodes the expression to the base64 representation. This limits the number of times latex actually has to be run.

Here is an example:

%Hello, world!% This is regular text, but this: $y = mx + b$ is not.

The output:

$ markdown -x latex test.markdown
<p><img class='latex-inline math-false' alt='Hello, world!' id='Helloworld' src='data:image/png;base64,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'> This is regular text, but this: <img class='latex-inline math-true' alt='y = mx + b' id='ymxb' src='data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAFIAAAAOBAMAAABOTlYkAAAAMFBMVEX///9ERETu7u4yMjK6urp2dnZUVFSIiIjMzMwQEBDc3NwiIiJmZmaYmJiqqqoAAADS00rKAAAAAXRSTlMAQObYZgAAAOtJREFUKM9jYCAACsCk4wYGgiABTLInEKuS+QGxKvkVGBj47jBwI8tcffI84e45BoZ7GVcLECo9751iWLeSoRPITBQEggMMDBy9sxj2MDgz8DIE8yCpPMxwjWFBGUMMkpFcbAEMvxjKGLgYxIE8NkHBiYIyQMY+hmoGhi0Mdsi2czawbGCQBTJ+ILvzE0MaA9MHIIWwnWE9A+sBpk8LGDgmMCnAVXJNYPgCJHhRQvUiA/cDXoECZx4DXoSZTBtYgaaEPw5AVnkOGBRc5xTcbsReQrL9+nWwyxbgC88DcJZ+QygDcYD1+QPiFAIAtLA8KPZOGFEAAAAASUVORK5CYII='> is not.</p>

As you can see it is a verbose output, but that really isn't an issue since you're already using Markdown :)

Using Advanced Search on Github seemed the easiest with a combination of other answers. It's basically a search string builder. https://github.com/search/advanced

For example I wanted to find all commits in Autodesk/maya-usd containing "USD"

Then in the search results can choose Commits from the list on the left:

For those who need to figure out simple way

Try getActivity().onBackPressed();

Here is a way.

We set-up options' string, in a list, just as we set-up command line arguments. In this case opts=['-g', 'videoID']. Then, invoke youtube_dl.main(opts). In this way, we write our custom .py module, import youtube_dl and then invoke the main() function.

The standard Perl solution is:

echo $TIMESTAMP | perl -nE 'say scalar gmtime $_'

(or localtime, if preferred)

For anyone coming here with Windows 10 and after updating them to Anniversary update, please check this link, it helped me:

https://orcharddojo.net/blog/troubleshooting-iis-apppool-crashes-status-503-after-windows-10-anniversary-update

In case link goes down: If your Event log shows that aspnetcore.dll, rewrite.dll (most often, but could be others as well) failed to load, you have to repair the missing items.

Here are two specific issues we've experienced so far and how to fix them, but you may bump into completely different ones:

"C:\WINDOWS\system32\inetsrv\rewrite.dll" (reference)
    Go to "Programs and Features" (Win+X, F) and repair "IIS URL Rewrite Module 2".
"C:\WINDOWS\system32\inetsrv\aspnetcore.dll" (reference)
    Go to "Programs and Features" (Win+X, F) and repair "Microsoft .NET Core 1.0.0 - VS 2015 Tooling ...".

This is a modified version of Alex's answer. We can save the state of a module's namespace and restore it by using the following 2 methods...

__saved_context__ = {}

def saveContext():
    import sys
    __saved_context__.update(sys.modules[__name__].__dict__)

def restoreContext():
    import sys
    names = sys.modules[__name__].__dict__.keys()
    for n in names:
        if n not in __saved_context__:
            del sys.modules[__name__].__dict__[n]

saveContext()

hello = 'hi there'
print hello             # prints "hi there" on stdout

restoreContext()

print hello             # throws an exception

You can also add a line "clear = restoreContext" before calling saveContext() and clear() will work like matlab's clear.

I'd just use zip:

In [1]: from pandas import *

In [2]: def calculate(x):
   ...:     return x*2, x*3
   ...: 

In [3]: df = DataFrame({'a': [1,2,3], 'b': [2,3,4]})

In [4]: df
Out[4]: 
   a  b
0  1  2
1  2  3
2  3  4

In [5]: df["A1"], df["A2"] = zip(*df["a"].map(calculate))

In [6]: df
Out[6]: 
   a  b  A1  A2
0  1  2   2   3
1  2  3   4   6
2  3  4   6   9

This is iteration using block approach:

    NSDictionary *dict = @{@"key1":@1, @"key2":@2, @"key3":@3};

    [dict enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
        NSLog(@"%@->%@",key,obj);
        // Set stop to YES when you wanted to break the iteration.
    }];

With autocompletion is very fast to set, and you do not have to worry about writing iteration envelope.

You can use Bootstrap. Use "position: absolute" to make both buttons over each other. With the JavaScript code you can remove the front button and the back button will be displayed.

        button {
            position: absolute;
            top: 50px;
            left: 150px;
            width: 150px;
            font-size: 120%;
            padding: 5px;
            background: #B52519;
            color: #EAEAEA;
            border: none;
            margin: 120px;
            border-radius: 5px;
            display: flex;
            align-content: center;
            justify-content: center;
            transition: all 0.5s;
            height: 40px
        }

        #orderButton:hover {
            color: #c8c8c8;
        }

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">

<button><div class="spinner-border"></div></button>
<button id="orderButton" onclick="this.style.display= 'none';">Order!</button>

RealVNC 5.0.x now offers a VNCViewer that will do dual displays on Windows without having to buy a license. (Licensing now covers the SERVER portion of their tools).

Get location of gps by -

LocationManager locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);

LocationListener locationListener = new LocationListener() 
{

            @Override
            public void onStatusChanged(String provider, int status, Bundle extras) {
                // TODO Auto-generated method stub

            }

            @Override
            public void onProviderEnabled(String provider) {
                // TODO Auto-generated method stub

            }

            @Override
            public void onProviderDisabled(String provider) {
                // TODO Auto-generated method stub

            }

            @Override
            public void onLocationChanged(Location location) {
                // TODO Auto-generated method stub
                double latitude = location.getLatitude();
                double longitude = location.getLongitude();
                double speed = location.getSpeed(); //spedd in meter/minute
                speed = (speed*3600)/1000;      // speed in km/minute               Toast.makeText(GraphViews.this, "Current speed:" + location.getSpeed(),Toast.LENGTH_SHORT).show();
            }
        };

        locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);

}

This is the correct way:

To execute code that will only be available to the index page, we could use this syntax:

$(document).on('pageinit', "#index",  function() {
    ...
});

The JSON format can contain only those types of value:

• string
• number
• object
• array
• true
• false
• null

An image is of the type "binary" which is none of those. So you can't directly insert an image into JSON. What you can do is convert the image to a textual representation which can then be used as a normal string.

The most common way to achieve that is with what's called base64. Basically, instead of encoding it as 1 and 0s, it uses a range of 64 characters which makes the textual representation of it more compact. So for example the number '64' in binary is represented as 1000000, while in base64 it's simply one character: =.

There are many ways to encode your image in base64 depending on if you want to do it in the browser or not.

Note that if you're developing a web application, it will be way more efficient to store images separately in binary form, and store paths to those images in your JSON or elsewhere. That also allows your client's browser to cache the images.

You can try this:

//Your class instance
Publication publication = new Publication();

//Get class with full path(with package name)
Class<?> c = Class.forName("com.example.publication.models.Publication");

//Get method
Method  method = c.getDeclaredMethod ("setTitle", String.class);

//set value
method.invoke (publication,  "Value to want to set here...");

Neither malloc or call by reference are needed. You can declare a pointer within the function and set it to the string/array you'd like to return.

Using @Gewure's code as the basis:

char *getStringNoMalloc(void){
    char string[100] = {};
    char *s_ptr = string;

    strcat(string, "bla");
    strcat(string, "/");
    strcat(string, "blub");
    //INSIDE this function "string" is OK
    printf("string : '%s'\n", string);

    return s_ptr; 
}

works perfectly.

With a non-loop version of the code in the original question:

char *foo(int x){    
    char a[1000];
    char *a_ptr = a;
    char *b = "blah";       

    strcpy(a, b);

    return a_ptr;
}

I wrote this javascript script and included it in the header (before anything loads). It seems to work. If the page was loaded more than one hour ago or the situation is undefined it will reload everything from server. The time of one hour = 3600000 milliseconds can be changed in the following line: if(alter > 3600000)

With regards, Birke

<script type="text/javascript">
//<![CDATA[
function zeit()
{
    if(document.cookie)
    {
        a = document.cookie;
        cookiewert = "";
        while(a.length > 0)
        {
            cookiename = a.substring(0,a.indexOf('='));
            if(cookiename == "zeitstempel")
            {
                cookiewert = a.substring(a.indexOf('=')+1,a.indexOf(';'));
                break;
            }
            a = a.substring(a.indexOf(cookiewert)+cookiewert.length+1,a.length);
        }
        if(cookiewert.length > 0)
        {
            alter = new Date().getTime() - cookiewert;

            if(alter > 3600000)
            {   
                document.cookie = "zeitstempel=" + new Date().getTime() + ";";
                location.reload(true);
            }
            else
            {
                return;
            }
        }
        else
        {
            document.cookie = "zeitstempel=" + new Date().getTime() + ";";
            location.reload(true);
        }
    }
    else
    {
        document.cookie = "zeitstempel=" + new Date().getTime() + ";";
        location.reload(true);
    }
}
zeit();
//]]>
</script>

You don't need to wrap it in a list with [..], just provide the subselection of the columns index:

df.drop(df.columns[[1, 69]], axis=1, inplace=True)

as the index object is already regarded as list-like.

This should work:

GetCountries():Observable<CountryData[]>  {
  return this.http.get(`http://services.groupkt.com/country/get/all`)
    .map((res:Response) => <CountryData[]>res.json());
}

For this to work you will need to import the following:

import 'rxjs/add/operator/map'

This answer will be useful for those who use a non-standard IDE (i.e. Qt Creator).

There are at least two non-intrusive ways to pass additional include paths to Visual Studio's cl.exe via environment variables:

• Set INCLUDE environment variable to ;-separated list of all include paths. It overrides all includes, inclusive standard library ones. Not recommended.
• Set CL environment variable to the following value: /I C:\Lib\VulkanMemoryAllocator\src /I C:\Lib\gli /I C:\Lib\gli\external, where each argument of /I key is additional include path.

I successfully use the last one.

As string data types have variable length, it is by default stored as object type. I faced this problem after treating missing values too. Converting all those columns to type 'category' before label encoding worked in my case.

df[cat]=df[cat].astype('category')

And then check df.dtypes and perform label encoding.

Yes, nested loops are one way to quickly get a big O notation.

Typically (but not always) one loop nested in another will cause O(n²).

Think about it, the inner loop is executed i times, for each value of i. The outer loop is executed n times.

thus you see a pattern of execution like this: 1 + 2 + 3 + 4 + ... + n times

Therefore, we can bound the number of code executions by saying it obviously executes more than n times (lower bound), but in terms of n how many times are we executing the code?

Well, mathematically we can say that it will execute no more than n² times, giving us a worst case scenario and therefore our Big-Oh bound of O(n²). (For more information on how we can mathematically say this look at the Power Series)

Big-Oh doesn't always measure exactly how much work is being done, but usually gives a reliable approximation of worst case scenario.

4 yrs later Edit: Because this post seems to get a fair amount of traffic. I want to more fully explain how we bound the execution to O(n²) using the power series

From the website: 1+2+3+4...+n = (n² + n)/2 = n²/2 + n/2. How, then are we turning this into O(n²)? What we're (basically) saying is that n² >= n²/2 + n/2. Is this true? Let's do some simple algebra.

• Multiply both sides by 2 to get: 2n² >= n² + n?
• Expand 2n² to get:n² + n² >= n² + n?
• Subtract n² from both sides to get: n² >= n?

It should be clear that n² >= n (not strictly greater than, because of the case where n=0 or 1), assuming that n is always an integer.

Actual Big O complexity is slightly different than what I just said, but this is the gist of it. In actuality, Big O complexity asks if there is a constant we can apply to one function such that it's larger than the other, for sufficiently large input (See the wikipedia page)

We maintain DDL (and sometime DML) scripts generated by our ER Tool (PowerAMC).

We have a bench of shell scripts which rename the scripts starting with a number on the trunk branch. Each script is committed and tagged with the bugzilla number.

These scripts are then at need merged within the release branches along with the application code.

We have a table recording the scripts and their status. Each script is executed in order and recorded in this table on each install by the deploying tool.

One solution which avoids MultiIndex is to create a new datetime column setting day = 1. Then group by this column.

Normalise day of month

df = pd.DataFrame({'Date': pd.to_datetime(['2017-10-05', '2017-10-20', '2017-10-01', '2017-09-01']),
                   'Values': [5, 10, 15, 20]})

# normalize day to beginning of month, 4 alternative methods below
df['YearMonth'] = df['Date'] + pd.offsets.MonthEnd(-1) + pd.offsets.Day(1)
df['YearMonth'] = df['Date'] - pd.to_timedelta(df['Date'].dt.day-1, unit='D')
df['YearMonth'] = df['Date'].map(lambda dt: dt.replace(day=1))
df['YearMonth'] = df['Date'].dt.normalize().map(pd.tseries.offsets.MonthBegin().rollback)

Then use groupby as normal:

g = df.groupby('YearMonth')

res = g['Values'].sum()

# YearMonth
# 2017-09-01    20
# 2017-10-01    30
# Name: Values, dtype: int64

Comparison with pd.Grouper

The subtle benefit of this solution is, unlike pd.Grouper, the grouper index is normalized to the beginning of each month rather than the end, and therefore you can easily extract groups via get_group:

some_group = g.get_group('2017-10-01')

Calculating the last day of October is slightly more cumbersome. pd.Grouper, as of v0.23, does support a convention parameter, but this is only applicable for a PeriodIndex grouper.

Comparison with string conversion

An alternative to the above idea is to convert to a string, e.g. convert datetime 2017-10-XX to string '2017-10'. However, this is not recommended since you lose all the efficiency benefits of a datetime series (stored internally as numerical data in a contiguous memory block) versus an object series of strings (stored as an array of pointers).

You would need a JavaScript engine (such as Mozilla's Rhino) in order to evaluate the script - exactly as you do for Python, though the latter ships with the standard distribution.

If you have Rhino (or alternative) installed and on your path, then running JS can indeed be as simple as

> rhino filename.js

It's worth noting though that while JavaScript is simply a language in its own right, a lot of particular scripts assume that they'll be executing in a browser-like environment - and so try to access global variables such as location.href, and create output by appending DOM objects rather than calling print.

If you've got hold of a script which was written for a web page, you may need to wrap or modify it somewhat to allow it to accept arguments from stdin and write to stdout. (I believe Rhino has a mode to emulate standard browser global vars which helps a lot, though I can't find the docs for this now.)

We are using master-master replication technique of MySQL and if one MySQL server say 1 is removed from the network it reconnects itself after the connection are restored and all the records that were committed in the in the server 2 which was in the network are transferred to the server 1 which has lost the connection after restoration. Slave thread in the MySQL retries to connect to its master after every 60 sec by default. This property can be changed as MySQL ha a flag "master_connect_retry=5" where 5 is in sec. This means that we want a retry after every 5 sec.

But you need to make sure that the server which lost the connection show not make any commit in the database as you get duplicate Key error Error code: 1062

One possibility would be to use Objectify or ElementTree from the lxml module. An older version ElementTree is also available in the python xml.etree module as well. Either of these will get your xml converted to Python objects which you can then use simplejson to serialize the object to JSON.

While this may seem like a painful intermediate step, it starts making more sense when you're dealing with both XML and normal Python objects.

git log --grep=<pattern>
    Limit the commits output to ones with log message that matches the 
    specified pattern (regular expression).

--git help log

Use vertical-align:top; for the element you want at the top, as I have demonstrated on your jsfiddle.

http://www.brunildo.org/test/inline-block.html

Most simple way is to use boost::lexical_cast:

double value;
try
{
    value = boost::lexical_cast<double>(my_string);
}
catch (boost::bad_lexical_cast const&)
{
    value = 0;
}

OutputStream writes bytes, String provides chars. You need to define Charset to encode string to byte[]:

outputStream.write(string.getBytes(Charset.forName("UTF-8")));

Change UTF-8 to a charset of your choice.

String extends Object, which means an Object. Object o = a; If you really want to get as Object, you may do like below.

String s = "Hi";

Object a =s;

The files selected are stored in an array: [input].files

For example, you can access the items

// assuming there is a file input with the ID `my-input`...
var files = document.getElementById("my-input").files;

for (var i = 0; i < files.length; i++)
{
 alert(files[i].name);
}

For jQuery-comfortable people, it's similarly easy

// assuming there is a file input with the ID `my-input`...
var files = $("#my-input")[0].files;

for (var i = 0; i < files.length; i++)
{
 alert(files[i].name);
}

You should use the filter method rather than map unless you want to mutate the items in the array, in addition to filtering.

eg.

var filteredItems = items.filter(function(item)
{
    return ...some condition...;
});

[Edit: Of course you could always do sourceArray.filter(...).map(...) to both filter and mutate]

I faced the same error. Adding the tomcat server in the runtime environment will solve the error:

Right click on your project -> Properties -> Targeted runtimes -> Select apache tomcat server -> click apply -> click ok.

Arbitrarily choosing to keep the minimum PIC_ID. Also, avoid using the implicit join syntax.

SELECT U.NAME, MIN(P.PIC_ID)
    FROM USERS U
        INNER JOIN POSTINGS P1
            ON U.EMAIL_ID = P1.EMAIL_ID
        INNER JOIN PICTURES P
            ON P1.PIC_ID = P.PIC_ID
    WHERE P.CAPTION LIKE '%car%'
    GROUP BY U.NAME;

You could use something like:

function imageExists(image_url){

    var http = new XMLHttpRequest();

    http.open('HEAD', image_url, false);
    http.send();

    return http.status != 404;

}

Obviously you could use jQuery/similar to perform your HTTP request.

$.get(image_url)
    .done(function() { 
        // Do something now you know the image exists.

    }).fail(function() { 
        // Image doesn't exist - do something else.

    })

Key elements of a zero-downtime migration is:

• replication (http://redis.io/commands/SLAVEOF)
• possibility to write into a slave during application switching (CONFIG SET slave-read-only no)

In short:

1. setup a target redis (empty) as slave of a source redis (with your data)
2. wait for replication finish
3. permit writes to a target redis (which is currently slave)
4. switch your apps to a target redis
5. wait for finish datastream from master to slave
6. turn a target redis from master to slave

Additionally redis have options which allows to disable a source redis to accept writes right after detaching a target:

• min-slaves-to-write
• min-slaves-max-lag

This topic covered by

• http://redis.io/topics/admin#upgrading-or-restarting-a-redis-instance-without-downtime

Very good explanation from RedisLabs team https://redislabs.com/blog/real-time-synchronization-tool-for-redis-migration (use web.archive.org)

And even their interactive tool for migrate: https://github.com/RedisLabs/redis-migrate

Try this:

/* Variable Declaration */
DECLARE @EmpID AS SMALLINT
DECLARE @SQLQuery AS NVARCHAR(500)
DECLARE @ParameterDefinition AS NVARCHAR(100)
DECLARE @TableName AS NVARCHAR(100)
/* set the parameter value */
SET @EmpID = 1001
SET @TableName = 'tblEmployees'
/* Build Transact-SQL String by including the parameter */
SET @SQLQuery = 'SELECT * FROM ' + @TableName + ' WHERE EmployeeID = @EmpID' 
/* Specify Parameter Format */
SET @ParameterDefinition =  '@EmpID SMALLINT'
/* Execute Transact-SQL String */
EXECUTE sp_executesql @SQLQuery, @ParameterDefinition, @EmpID

Actually, there are some situations which the throw statment will not preserve the StackTrace information. For example, in the code below:

try
{
  int i = 0;
  int j = 12 / i; // Line 47
  int k = j + 1;
}
catch
{
  // do something
  // ...
  throw; // Line 54
}

The StackTrace will indicate that line 54 raised the exception, although it was raised at line 47.

Unhandled Exception: System.DivideByZeroException: Attempted to divide by zero.
   at Program.WithThrowIncomplete() in Program.cs:line 54
   at Program.Main(String[] args) in Program.cs:line 106

In situations like the one described above, there are two options to preseve the original StackTrace:

Calling the Exception.InternalPreserveStackTrace

As it is a private method, it has to be invoked by using reflection:

private static void PreserveStackTrace(Exception exception)
{
  MethodInfo preserveStackTrace = typeof(Exception).GetMethod("InternalPreserveStackTrace",
    BindingFlags.Instance | BindingFlags.NonPublic);
  preserveStackTrace.Invoke(exception, null);
}

I has a disadvantage of relying on a private method to preserve the StackTrace information. It can be changed in future versions of .NET Framework. The code example above and proposed solution below was extracted from Fabrice MARGUERIE weblog.

Calling Exception.SetObjectData

The technique below was suggested by Anton Tykhyy as answer to In C#, how can I rethrow InnerException without losing stack trace question.

static void PreserveStackTrace (Exception e) 
{ 
  var ctx = new StreamingContext  (StreamingContextStates.CrossAppDomain) ; 
  var mgr = new ObjectManager     (null, ctx) ; 
  var si  = new SerializationInfo (e.GetType (), new FormatterConverter ()) ; 

  e.GetObjectData    (si, ctx)  ; 
  mgr.RegisterObject (e, 1, si) ; // prepare for SetObjectData 
  mgr.DoFixups       ()         ; // ObjectManager calls SetObjectData 

  // voila, e is unmodified save for _remoteStackTraceString 
} 

Although, it has the advantage of relying in public methods only it also depends on the following exception constructor (which some exceptions developed by 3rd parties do not implement):

protected Exception(
    SerializationInfo info,
    StreamingContext context
)

In my situation, I had to choose the first approach, because the exceptions raised by a 3rd-party library I was using didn't implement this constructor.

An alternative is to create a helper file where you have a const object with functions as properties of the object. This way you only export and import one object.

helpers.js

const helpers = {
    helper1: function(){

    },
    helper2: function(param1){

    },
    helper3: function(param1, param2){

    }
}

export default helpers;

Then, import like this:

import helpers from './helpers';

and use like this:

helpers.helper1();
helpers.helper2('value1');
helpers.helper3('value1', 'value2');

Does not work, need --pos to evaluate double:

    String version = System.getProperty("java.version");
    System.out.println("version:" + version);
    int pos = 0, count = 0;
    for (; pos < version.length() && count < 2; pos++) {
        if (version.charAt(pos) == '.') {
            count++;
        }
    }

    --pos; //EVALUATE double

    double dversion = Double.parseDouble(version.substring(0, pos));
    System.out.println("dversion:" + dversion);
    return dversion;
}

sys.dm_exec_procedure_stats contains the information about the execution functions, constraints and Procedures etc. But the life time of the row has a limit, The moment the execution plan is removed from the cache the entry will disappear.

Use [yourDatabaseName]
GO
SELECT  
        SCHEMA_NAME(sysobject.schema_id),
        OBJECT_NAME(stats.object_id), 
        stats.last_execution_time
    FROM   
        sys.dm_exec_procedure_stats stats
        INNER JOIN sys.objects sysobject ON sysobject.object_id = stats.object_id 
    WHERE  
        sysobject.type = 'P'
    ORDER BY
           stats.last_execution_time DESC  

This will give you the list of the procedures recently executed.

If you want to check if a perticular stored procedure executed recently

SELECT  
    SCHEMA_NAME(sysobject.schema_id),
    OBJECT_NAME(stats.object_id), 
    stats.last_execution_time
FROM   
    sys.dm_exec_procedure_stats stats
    INNER JOIN sys.objects sysobject ON sysobject.object_id = stats.object_id 
WHERE  
    sysobject.type = 'P'
    and (sysobject.object_id = object_id('schemaname.procedurename') 
    OR sysobject.name = 'procedurename')
ORDER BY
       stats.last_execution_time DESC  

Don't use list as a variable name. It's a built in that you are masking.

To insert, use the insert function of lists.

l = ['hello','world']
l.insert(0, 'foo')
print l
['foo', 'hello', 'world']

I modified the code from correct answer to get result in seconds:

long startTime = System.nanoTime();

methodCode ...

long endTime = System.nanoTime();
double duration = (double)(endTime - startTime) / (Math.pow(10, 9));
Log.v(TAG, "MethodName time (s) = " + duration);

I will show visually the problem, using the great example from James answer and adding the alternative solution.

When you do the follow query, without the FETCH:

Select e from Employee e 
join e.phones p 
where p.areaCode = '613'

You will have the follow results from Employee as you expected:

But when you add the FETCH word on JOIN, this is what happens:

The generated SQL is the same for the two queries, but the Hibernate removes on memory the 416 register when you use WHERE on the FETCH join.

So, to bring all phones and apply the WHERE correctly, you need to have two JOINs: one for the WHERE and another for the FETCH. Like:

Select e from Employee e 
join e.phones p 
join fetch e.phones      //no alias, to not commit the mistake
where p.areaCode = '613'

it will print log messages in your developer console (firebug/webkit dev tools/ie dev tools)

Use <br /> OR <br> -

<li>Post by<br /><a>Author</a></li>

OR

<li>Post by<br><a>Author</a></li>

or

make the a element display:block;

<li>Post by <a style="display:block;">Author</a></li>

Try

My problem is that Flask-WTF is not resolved by PyCharm. I have tried to re-install and then install or Invalidate Cache and Restart PyCharm, but it's still not working.

Then I came up with this solution and it works perfectly for me.

1. Open Project Interpreter by Ctrl+Alt+S (Windows) and then click Install (+) a new packgage.

2. Type the package which is not resolved by PyCharm and then click Install Package. Then click OK.

Now, you'll see your library has been resolved.

You can use the below formula to find the distance between the 2 points:

distance*distance = ((x2 - x1)*(x2 - x1)) + ((y2 - y1)*(y2 - y1))

You can use it like this, I hope you wont get outdated message now.

  <td valign="top" style="white-space:nowrap" width="237">

As pointed by @ThiefMaster it is recommended to put width and valign to CSS (note: CSS calls it vertical-align).

1)

<td style="white-space:nowrap; width:237px; vertical-align:top;">

2) We can make a CSS class like this, it is more elegant way

In style section

.td-some-name
{
  white-space:nowrap;
  width:237px;
  vertical-align:top;
}

In HTML section

<td class="td-some-name">

Here is the "newer school" version.

SELECT * FROM INFORMATION_SCHEMA.ROUTINES
WHERE ROUTINE_TYPE = N'PROCEDURE' and ROUTINE_SCHEMA = N'dbo' 
and CREATED = '20120927'

I think the variable should be in the same block:

@{bool isUserConnected = string.IsNullOrEmpty(Model.CreatorFullName);
    if (isUserConnected)
    { // meaning that the viewing user has not been saved
        <div>
            <div> click to join us </div>
            <a id="login" href="javascript:void(0);" style="display: inline; ">join</a>
        </div>
    }
    }

Simplest way to do this is just prepend an @ before file_get_contents, i. e.:

$content = @file_get_contents($site); 

This VBA Sub will delete all data rows (apart from the first, which it will just clear) -

Sub DeleteTableRows(ByRef Table as ListObject)

        '** Work out the current number of rows in the table
        On Error Resume Next                    ' If there are no rows, then counting them will cause an error
        Dim Rows As Integer
        Rows = Table.DataBodyRange.Rows.Count   ' Cound the number of rows in the table
        If Err.Number <> 0 Then                 ' Check to see if there has been an error
            Rows = 0                            ' Set rows to 0, as the table is empty
            Err.Clear                           ' Clear the error
        End If
        On Error GoTo 0                         ' Reset the error handling

        '** Empty the table *'
        With Table
            If Rows > 0 Then ' Clear the first row
                .DataBodyRange.Rows(1).ClearContents
            End If
            If Rows > 1 Then ' Delete all the other rows
                .DataBodyRange.Offset(1, 0).Resize(.DataBodyRange.Rows.Count - 1, .DataBodyRange.Columns.Count).Rows.Delete
            End If
        End With

End Sub

An easy way to login with a HTTP POST without doing any Base64 specific calls is to use the HTTPClient BasicCredentialsProvider

import java.io.IOException;
import static java.lang.System.out;
import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.HttpClientBuilder;

//code
CredentialsProvider provider = new BasicCredentialsProvider();
UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(user, password);
provider.setCredentials(AuthScope.ANY, credentials);
HttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(provider).build();

HttpResponse response = client.execute(new HttpPost("http://address/test/login"));//Replace HttpPost with HttpGet if you need to perform a GET to login
int statusCode = response.getStatusLine().getStatusCode();
out.println("Response Code :"+ statusCode);

If you are absolutely sure that libncurses, aka ncurses, is installed, as in you've done a successful 'ls' of the library, then perhaps you are running a 64 bit Linux operating system and only have the 64 bit libncurses installed, when the program that is running (adb) is 32 bit.

If so, a 32 bit program can't link to a 64 bit library (and won't located it anyway), so you might have to install libcurses, or ncurses (32 bit version). Likewise, if you are running a 64 bit adb, perhaps your ncurses is 32 bit (a possible but less likely scenario).

For me, it crashed because getBackground returned a GradientDrawable instead of a ShapeDrawable.

So i modified it like this:

((GradientDrawable)someView.getBackground()).setColor(someColor);

It looks like some values have been already set for the environment variables AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY.

If it is like that, you could see some values when executing the below commands.

echo $AWS_SECRET_ACCESS_KEY
echo $AWS_ACCESS_KEY_ID

You need to reset these variables, if you are using aws configure

To reset, execute below commands.

unset AWS_ACCESS_KEY_ID
unset AWS_SECRET_ACCESS_KEY

Update

Use Let's Encrypt via Greenlock.js

Original Post

I noticed that none of these answers show that adding a Intermediate Root CA to the chain, here are some zero-config examples to play with to see that:

• https://github.com/solderjs/nodejs-ssl-example
• http://coolaj86.com/articles/how-to-create-a-csr-for-https-tls-ssl-rsa-pems/
• https://github.com/solderjs/nodejs-self-signed-certificate-example

Snippet:

var options = {
  // this is the private key only
  key: fs.readFileSync(path.join('certs', 'my-server.key.pem'))

// this must be the fullchain (cert + intermediates)
, cert: fs.readFileSync(path.join('certs', 'my-server.crt.pem'))

// this stuff is generally only for peer certificates
//, ca: [ fs.readFileSync(path.join('certs', 'my-root-ca.crt.pem'))]
//, requestCert: false
};

var server = https.createServer(options);
var app = require('./my-express-or-connect-app').create(server);
server.on('request', app);
server.listen(443, function () {
  console.log("Listening on " + server.address().address + ":" + server.address().port);
});

var insecureServer = http.createServer();
server.listen(80, function () {
  console.log("Listening on " + server.address().address + ":" + server.address().port);
});

This is one of those things that's often easier if you don't try to do it directly through connect or express, but let the native https module handle it and then use that to serve you connect / express app.

Also, if you use server.on('request', app) instead of passing the app when creating the server, it gives you the opportunity to pass the server instance to some initializer function that creates the connect / express app (if you want to do websockets over ssl on the same server, for example).

SelectedValue returns the same value as SelectedItem.Value.

SelectedItem.Value and SelectedItem.Text might have different values and the performance is not a factor here, only the meanings of these properties matters.

<asp:DropDownList runat="server" ID="ddlUserTypes">
    <asp:ListItem Text="Admins" Value="1" Selected="true" />
    <asp:ListItem Text="Users" Value="2"/>
</asp:DropDownList>

Here, ddlUserTypes.SelectedItem.Value == ddlUserTypes.SelectedValue and both would return the value "1".

ddlUserTypes.SelectedItem.Text would return "Admins", which is different from ddlUserTypes.SelectedValue

edit

under the hood, SelectedValue looks like this

public virtual string SelectedValue
{
    get
    {
        int selectedIndex = this.SelectedIndex;
        if (selectedIndex >= 0)
        {
            return this.Items[selectedIndex].Value;
        }
        return string.Empty;
    }
}

and SelectedItem looks like this:

public virtual ListItem SelectedItem
{
    get
    {
        int selectedIndex = this.SelectedIndex;
        if (selectedIndex >= 0)
        {
            return this.Items[selectedIndex];
        }
        return null;
    }
}

One major difference between these two properties is that the SelectedValue has a setter also, since SelectedItem doesn't. The getter of SelectedValue is faster when writing code, and the problem of execution performance has no real reason to be discussed. Also a big advantage of SelectedValue is when using Binding expressions.

edit data binding scenario (you can't use SelectedItem.Value)

<asp:Repeater runat="server">
 <ItemTemplate>
     <asp:DropDownList ID="ddlCategories" runat="server" 
                       SelectedValue='<%# Eval("CategoryId")%>'>
     </asp:DropDownList>
 </ItemTemplate>
</asp:Repeater>

The empty string is distinct from a null reference in that in an object-oriented programming language a null reference to a string type doesn't point to a string object and will cause an error were one to try to perform any operation on it. The empty string is still a string upon which string operations may be attempted.

From the wikipedia article on empty string.

Just in case if you can't change HTML. Very primitive but short & works. (It will empty the parent div hence the child divs will be removed)

$('#one').text('Hi I am replace');

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
_x000D_
<div id="one">_x000D_
  <div class="first"></div>_x000D_
  "Hi I am text"_x000D_
  <div class="second"></div>_x000D_
  <div class="third"></div>_x000D_
</div>

simply,

select sysdate-1 from dual

there's a bunch more info and detail here: http://www.orafaq.com/faq/how_does_one_add_a_day_hour_minute_second_to_a_date_value

this will give you result that has the minimum price on all records.

SELECT *
FROM pieces
WHERE price =  ( SELECT MIN(price) FROM pieces )

• SQLFiddle Demo

Each controller has it's own scope(s) so that's causing your issue.

Having two controllers that want access to the same data is a classic sign that you want a service. The angular team recommends thin controllers that are just glue between views and services. And specifically- "services should hold shared state across controllers".

Happily, there's a nice 15-minute video describing exactly this (controller communication via services): video

One of the original author's of Angular, Misko Hevery, discusses this recommendation (of using services in this situation) in his talk entitled Angular Best Practices (skip to 28:08 for this topic, although I very highly recommended watching the whole talk).

You can use events, but they are designed just for communication between two parties that want to be decoupled. In the above video, Misko notes how they can make your app more fragile. "Most of the time injecting services and doing direct communication is preferred and more robust". (Check out the above link starting at 53:37 to hear him talk about this)

Ctrl + Alt + O to optimize imports

You can also use

Ctrl+E, Ctrl+W

keyboard shortcut to toggle wrap lines on and off.

If you are not interested in the host name (for example www.beta.example.com) but in the domain name (for example example.com), this works for valid host names:

function getDomainName(hostName)
{
    return hostName.substring(hostName.lastIndexOf(".", hostName.lastIndexOf(".") - 1) + 1);
}

OAuth is a protocol with which a 3-party app can access your data stored in another website without your account and password. For a more official definition, refer to the Wiki or specification.

Here is a use case demo:

1. I login to LinkedIn and want to connect some friends who are in my Gmail contacts. LinkedIn supports this. It will request a secure resource (my gmail contact list) from gmail. So I click this button:
   

2. A web page pops up, and it shows the Gmail login page, when I enter my account and password:
   

3. Gmail then shows a consent page where I click "Accept":

4. Now LinkedIn can access my contacts in Gmail:

Below is a flowchart of the example above:

Step 1: LinkedIn requests a token from Gmail's Authorization Server.

Step 2: The Gmail authorization server authenticates the resource owner and shows the user the consent page. (the user needs to login to Gmail if they are not already logged-in)

Step 3: User grants the request for LinkedIn to access the Gmail data.

Step 4: the Gmail authorization server responds back with an access token.

Step 5: LinkedIn calls the Gmail API with this access token.

Step 6: The Gmail resource server returns your contacts if the access token is valid. (The token will be verified by the Gmail resource server)

You can get more from details about OAuth here.

np.maximum not only compares elementwise but also compares array elementwise with single value

>>>np.maximum([23, 14, 16, 20, 25], 18)
array([23, 18, 18, 20, 25])

Couldnt get the TEXT() formula to work

Easiest solution was to copy paste into Notepad and back into Excel with the column set to Text before pasting back

Or you can do the same with a formula like this

=DAY(A2)&"/"&MONTH(A2)&"/"&YEAR(A2)& " "&HOUR(B2)&":"&MINUTE(B2)&":"&SECOND(B2)

I was also curious if I can measure the speed of my script with apache abs or a construct / destruct php measure script or a php extension.

the last two have failed for me: they are approximate. after which I thought to try "ab" and "abs".

the command "ab -k -c 350 -n 20000 example.com/" is beautiful because it's all easier!

but did anyone think to "localhost" on any apache server for example www.apachefriends.org?

you should create a folder such as "bench" in root where you have 2 files: test "bench.php" and reference "void.php".

and then: benchmark it!

bench.php

<?php

for($i=1;$i<50000;$i++){
    print ('qwertyuiopasdfghjklzxcvbnm1234567890');
}
?>

void.php

<?php
?>

on your Desktop you should use a .bat file(in Windows) like this:

bench.bat

"c:\xampp\apache\bin\abs.exe" -n 10000 http://localhost/bench/void.php
"c:\xampp\apache\bin\abs.exe" -n 10000 http://localhost/bench/bench.php
pause

Now if you pay attention closely ...

the void script isn't produce zero results !!! SO THE CONCLUSION IS: from the second result the first result should be decreased!!!

here i got :

c:\xampp\htdocs\bench>"c:\xampp\apache\bin\abs.exe" -n 10000 http://localhost/bench/void.php
This is ApacheBench, Version 2.3 <$Revision: 1826891 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 1000 requests
Completed 2000 requests
Completed 3000 requests
Completed 4000 requests
Completed 5000 requests
Completed 6000 requests
Completed 7000 requests
Completed 8000 requests
Completed 9000 requests
Completed 10000 requests
Finished 10000 requests


Server Software:        Apache/2.4.33
Server Hostname:        localhost
Server Port:            80

Document Path:          /bench/void.php
Document Length:        0 bytes

Concurrency Level:      1
Time taken for tests:   11.219 seconds
Complete requests:      10000
Failed requests:        0
Total transferred:      2150000 bytes
HTML transferred:       0 bytes
Requests per second:    891.34 [#/sec] (mean)
Time per request:       1.122 [ms] (mean)
Time per request:       1.122 [ms] (mean, across all concurrent requests)
Transfer rate:          187.15 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.3      0       1
Processing:     0    1   0.9      1      17
Waiting:        0    1   0.9      1      17
Total:          0    1   0.9      1      17

Percentage of the requests served within a certain time (ms)
  50%      1
  66%      1
  75%      1
  80%      1
  90%      1
  95%      2
  98%      2
  99%      3
 100%     17 (longest request)

c:\xampp\htdocs\bench>"c:\xampp\apache\bin\abs.exe" -n 10000 http://localhost/bench/bench.php
This is ApacheBench, Version 2.3 <$Revision: 1826891 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 1000 requests
Completed 2000 requests
Completed 3000 requests
Completed 4000 requests
Completed 5000 requests
Completed 6000 requests
Completed 7000 requests
Completed 8000 requests
Completed 9000 requests
Completed 10000 requests
Finished 10000 requests


Server Software:        Apache/2.4.33
Server Hostname:        localhost
Server Port:            80

Document Path:          /bench/bench.php
Document Length:        1799964 bytes

Concurrency Level:      1
Time taken for tests:   177.006 seconds
Complete requests:      10000
Failed requests:        0
Total transferred:      18001600000 bytes
HTML transferred:       17999640000 bytes
Requests per second:    56.50 [#/sec] (mean)
Time per request:       17.701 [ms] (mean)
Time per request:       17.701 [ms] (mean, across all concurrent requests)
Transfer rate:          99317.00 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.3      0       1
Processing:    12   17   3.2     17      90
Waiting:        0    1   1.1      1      26
Total:         13   18   3.2     18      90

Percentage of the requests served within a certain time (ms)
  50%     18
  66%     19
  75%     19
  80%     20
  90%     21
  95%     22
  98%     23
  99%     26
 100%     90 (longest request)

c:\xampp\htdocs\bench>pause
Press any key to continue . . .

90-17= 73 the result i expect !

You can do this without awk with just some pipes.

tac file | grep -m1 A1 | rev | cut -d' ' -f1 | rev

Format strings can make hexdump behave exactly as you want it to (no whitespace at all, byte by byte):

hexdump -ve '1/1 "%.2x"'

1/1 means "each format is applied once and takes one byte", and "%.2x" is the actual format string, like in printf. In this case: 2-character hexadecimal number, leading zeros if shorter.

To add to squarecandy's google calendar contribution, here the brand new

OUTLOOK CALENDAR format (Without a need to create .ics) !!

<a href="https://bay02.calendar.live.com/calendar/calendar.aspx?rru=addevent&dtstart=20151119T140000Z&dtend=20151119T160000Z&summary=Summary+of+the+event&location=Location+of+the+event&description=example+text.&allday=false&uid=">add to Outlook calendar</a>

test it

Best would be to url_encode the summary, location and description variable's values.

For the sake of knowledge,

YAHOO CALENDAR format

<a href="https://calendar.yahoo.com/?v=60&view=d&type=20&title=Summary+of+the+event&st=20151119T090000&et=20151119T110000&desc=example+text.%0A%0AThis+is+the+text+entered+in+the+event+description+field.&in_loc=Location+of+the+event&uid=">add to Yahoo calendar</a>

test it

Doing it without a third party holds a lot of advantages for example using it in emails.

isFakeGPSInstalled = Utils.isPackageInstalled(Utils.PACKAGE_ID_FAKE_GPS, this.getPackageManager());

//method to check package installed true/false

  public static boolean isPackageInstalled(String packageName, PackageManager packageManager) {
    boolean found = true;
    try {
      packageManager.getPackageInfo(packageName, 0);
    } catch (PackageManager.NameNotFoundException e) {
      found = false;
    }

    return found;
  }

How much a stack can grow?

You can use a VM option named ss to adjust the maximum stack size. A VM option is usually passed using -X{option}. So you can use java -Xss1M to set the maximum of stack size to 1M.

Each thread has at least one stack. Some Java Virtual Machines(JVM) put Java stack(Java method calls) and native stack(Native method calls in VM) into one stack, and perform stack unwinding using a Managed to Native Frame, known as M2NFrame. Some JVMs keep two stacks separately. The Xss set the size of the Java Stack in most cases.

For many JVMs, they put different default values for stack size on different platforms.

Can we limit this growth?

When a method call occurs, a new stack frame will be created on the stack of that thread. The stack will contain local variables, parameters, return address, etc. In java, you can never put an object on stack, only object reference can be stored on stack. Since array is also an object in java, arrays are also not stored on stack. So, if you reduce the amount of your local primitive variables, parameters by grouping them into objects, you can reduce the space on stack. Actually, the fact that we cannot explicitly put objects on java stack affects the performance some time(cache miss).

Does stack has some default minimum value or default maximum value?

As I said before, different VMs are different, and may change over versions. See here.

how does garbage collection work on stack?

Garbage collections in Java is a hot topic. Garbage collection aims to collect unreachable objects in the heap. So that needs a definition of 'reachable.' Everything on the stack constitutes part of the root set references in GC. Everything that is reachable from every stack of every thread should be considered as live. There are some other root set references, like Thread objects and some class objects.

This is only a very vague use of stack on GC. Currently most JVMs are using a generational GC. This article gives brief introduction about Java GC. And recently I read a very good article talking about the GC on .net. The GC on oracle jvm is quite similar so I think that might also help you.

How about

XmlSerializer xs = new XmlSerializer(typeof(user[]));
using (Stream ins = File.Open(@"c:\some.xml", FileMode.Open))
foreach (user o in (user[])xs.Deserialize(ins))
   userList.Add(o);    

Not particularly fancy but it should work.

In the manual for GNU make, they talk about this specific example when describing the value function:

The value function provides a way for you to use the value of a variable without having it expanded. Please note that this does not undo expansions which have already occurred; for example if you create a simply expanded variable its value is expanded during the definition; in that case the value function will return the same result as using the variable directly.

The syntax of the value function is:

 $(value variable)

Note that variable is the name of a variable; not a reference to that variable. Therefore you would not normally use a ‘$’ or parentheses when writing it. (You can, however, use a variable reference in the name if you want the name not to be a constant.)

The result of this function is a string containing the value of variable, without any expansion occurring. For example, in this makefile:

 FOO = $PATH

 all:
         @echo $(FOO)
         @echo $(value FOO)

The first output line would be ATH, since the “$P” would be expanded as a make variable, while the second output line would be the current value of your $PATH environment variable, since the value function avoided the expansion.

I also received this error (for several tables) along with constraint errors and MySQL connecting and disconnecting when attempting to import an entire database (~800 MB). My issue was the result of The MySQL server max allowed packets being too low. To resolve this (on a Mac):

• Opened /private/etc/my.conf
• Under # The MySQL server, changed max_allowed_packet from 1M to 4M (You may need to experiment with this value.)
• Restarted MySQL

The database imported successfully after that.

Note I am running MySQL 5.5.12 for Mac OS X (x86 64 bit).

There are three ways to save objects from your R session:

Saving all objects in your R session:

The save.image() function will save all objects currently in your R session:

save.image(file="1.RData") 

These objects can then be loaded back into a new R session using the load() function:

load(file="1.RData")

Saving some objects in your R session:

If you want to save some, but not all objects, you can use the save() function:

save(city, country, file="1.RData")

Again, these can be reloaded into another R session using the load() function:

load(file="1.RData") 

Saving a single object

If you want to save a single object you can use the saveRDS() function:

saveRDS(city, file="city.rds")
saveRDS(country, file="country.rds") 

You can load these into your R session using the readRDS() function, but you will need to assign the result into a the desired variable:

city <- readRDS("city.rds")
country <- readRDS("country.rds")

But this also means you can give these objects new variable names if needed (i.e. if those variables already exist in your new R session but contain different objects):

city_list <- readRDS("city.rds")
country_vector <- readRDS("country.rds")

iPad Multitasking support requires all the orientations but your app does not, so you need to opt out of it, just add the UIRequiresFullScreen key to your Xcode project’s Info.plist file and apply the Boolean value YES.

For the basic tooltip, you want:

<span title="This is my tooltip"> Hover on me to see tooltip! </span>

I changed the target=android-26 to target=android-23

project.properties

this works great for me.

If you are using JAVA EE 5.0, the best way to do this is to use the @Resource annotation to inject the datasource in an attribute of a class (for instance an EJB) to hold the datasource resource (for instance an Oracle datasource) for the legacy reporting tool, this way:

@Resource(mappedName="jdbc:/OracleDefaultDS") DataSource datasource;

Later you can obtain the connection, and pass it to the legacy reporting tool in this way:

Connection conn = dataSource.getConnection();

Please try as below to get the time difference in hh:mm:ss format

Select StartTime, EndTime, CAST((EndTime - StartTime) as time(0)) 'TotalTime' from [TableName]

This is a simple one line way to do it:

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

The issue here is that ng-repeat creates its own scope, so when you do selected=$index it creates a new a selected property in that scope rather than altering the existing one. To fix this you have two options:

Change the selected property to a non-primitive (ie object or array, which makes javascript look up the prototype chain) then set a value on that:

$scope.selected = {value: 0};

<a ng-click="selected.value = $index">A{{$index}}</a>

See plunker

or

Use the $parent variable to access the correct property. Though less recommended as it increases coupling between scopes

<a ng-click="$parent.selected = $index">A{{$index}}</a>

See plunker