We can directly subtract dates to get difference in Days.
SET SERVEROUTPUT ON ;
DECLARE
V_VAR NUMBER;
BEGIN
V_VAR:=TO_DATE('2000-01-02', 'YYYY-MM-DD') - TO_DATE('2000-01-01', 'YYYY-MM-DD') ;
DBMS_OUTPUT.PUT_LINE(V_VAR);
END;
calling
var parsed_data = JSON.parse(data);
should result in the ability to access the data like you want.
console.log(parsed_data.success);
should now show '1'
Depends on what product you're using, but most support something like
SELECT IFNULL(MAX(X), 0, MAX(X)) AS MaxX FROM tbl WHERE XID = 1
or
SELECT CASE MAX(X) WHEN NULL THEN 0 ELSE MAX(X) FROM tbl WHERE XID = 1
I was getting the same exact error as well. Here is the fix. When you are specifying where to write to, Android will automatically resolve your path into either /data/
or /mnt/sdcard/
. Let me explain.
If you execute the following statement:
File resolveMe = new File("/data/myPackage/files/media/qmhUZU.jpg");
resolveMe.createNewFile();
It will resolve the path to the root /data/
somewhere higher up in Android.
I figured this out, because after I executed the following code, it was placed automatically in the root /mnt/
without me translating anything on my own.
File resolveMeSDCard = new File("/sdcard/myPackage/files/media/qmhUZU.jpg");
resolveMeSDCard.createNewFile();
A quick fix would be to change your following code:
File f = new File(getLocalPath().replace("/data/data/", "/"));
Hope this helps
This is what may be happening, if the value of item.photo
is undefined then item.photo != ''
will always show as true. And if you think logically it actually makes sense, item.photo
is not an empty string (so this condition comes true) since it is undefined
.
Now for people who are trying to check if the value of input is empty or not in Angular 6, can go by this approach.
Lets say this is the input field -
<input type="number" id="myTextBox" name="myTextBox"_x000D_
[(ngModel)]="response.myTextBox"_x000D_
#myTextBox="ngModel">
_x000D_
To check if the field is empty or not this should be the script.
<div *ngIf="!myTextBox.value" style="color:red;">_x000D_
Your field is empty_x000D_
</div>
_x000D_
Do note the subtle difference between the above answer and this answer. I have added an additional attribute .value
after my input name myTextBox
.
I don't know if the above answer worked for above version of Angular, but for Angular 6 this is how it should be done.
res="\t\tx"
echo -e "[${res}]"
you can do this---
<input type="button" onClic="changebackColor">
function changebackColor(){
document.body.style.backgroundColor = "black";
document.getElementByID("divID").style.backgroundColor = "black";
window.setTimeout("yourFunction()",10000);
}
you could access the data using $('#prod')[0].dataset
After doing some research found the solution. Run the below command.
echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
For Arch Linux add this line to /etc/sysctl.d/99-sysctl.conf:
fs.inotify.max_user_watches=524288
Example
<div ng-controller="ExampleController">
<form name="myform">
Name: <input type="text" ng-model="user.name" /><br>
Email: <input type="email" ng-model="user.email" /><br>
</form>
</div>
<script>
angular.module('formExample', [])
.controller('ExampleController', ['$scope', function($scope) {
//if form is not valid then return the form.
if(!$scope.myform.$valid) {
return;
}
}]);
</script>
I would recommend you to use worksheet's index instead of using worksheet's name, in this way you can also loop through sheets "dynamically"
for i=1 to thisworkbook.sheets.count
sheets(i).activate
'You can add more code
with activesheet
'Code...
end with
next i
It will also, improve performance.
One of the disadvantages of using HTML for labels is when you need to write a localizable program (which should work in several languages). You will have issues to change just the translatable text. Or you will have to put the whole HTML code into your translations which is very awkward, I would even say absurd :)
gui_en.properties:
title.text=<html>Text color: <font color='red'>red</font></html>
gui_fr.properties:
title.text=<html>Couleur du texte: <font color='red'>rouge</font></html>
gui_ru.properties:
title.text=<html>???? ??????: <font color='red'>???????</font></html>
To keep only one instance for the String, you could use the following.
str = " Hello ";
or
str = str.trim();
Then the value of the str
String, will be str = "Hello"
the easiest way to to make the browser to scroll the page to a given anchor is to type in your style.css *{scroll-behavior: smooth;} and in your html navigation use #NameOfTheSection
*{scroll-behavior: smooth;}
_x000D_
<a href="#scroll-to">Home<a/>
<p>other sections</p>
<p>other sections</p>
<p>other sections</p>
<p>other sections</p>
<p>other sections</p>
<p>other sections</p>
<p>other sections</p>
<p>other sections</p>
<p>other sections</p>
<p>other sections</p>
<p>other sections</p>
<p>other sections</p>
<p>other sections</p>
<section id="scroll-to">
<p>it will scroll down to this section</p>
</section>
_x000D_
I got a way to reproduce this exception.
I use 2 AsyncTask
. One do long task and another do short task. After short task complete, call finish()
. When long task complete and call Dialog.dismiss()
, it crashes.
Here's my sample code:
public class MainActivity extends Activity {
private static final String TAG = "MainActivity";
private ProgressDialog mProgressDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.d(TAG, "onCreate");
new AsyncTask<Void, Void, Void>(){
@Override
protected void onPreExecute() {
mProgressDialog = ProgressDialog.show(MainActivity.this, "", "plz wait...", true);
}
@Override
protected Void doInBackground(Void... nothing) {
try {
Log.d(TAG, "long thread doInBackground");
Thread.sleep(20000);
} catch (InterruptedException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void result) {
Log.d(TAG, "long thread onPostExecute");
if (mProgressDialog != null && mProgressDialog.isShowing()) {
mProgressDialog.dismiss();
mProgressDialog = null;
}
Log.d(TAG, "long thread onPostExecute call dismiss");
}
}.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
new AsyncTask<Void, Void, Void>(){
@Override
protected Void doInBackground(Void... params) {
try {
Log.d(TAG, "short thread doInBackground");
Thread.sleep(5000);
} catch (InterruptedException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
super.onPostExecute(aVoid);
Log.d(TAG, "short thread onPostExecute");
finish();
Log.d(TAG, "short thread onPostExecute call finish");
}
}.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
}
@Override
protected void onDestroy() {
super.onDestroy();
Log.d(TAG, "onDestroy");
}
}
You can try this and find out what is the best way to fix this issue. From my study, there are at least 4 ways to fix it:
isFinishing()
to check activity's stateAsyncTask.cancel(false)
in onDestroy()
. It will prevent the asynctask to execute onPostExecute()
but execute onCancelled()
instead.onPostExecute()
will still execute even you call AsyncTask.cancel(false)
on older Android OS, like Android 2.X.X.You can choose the best one for you.
The best solution is toString
(as stated above):
function getRealObjectType(obj: {}): string {
return Object.prototype.toString.call(obj).match(/\[\w+ (\w+)\]/)[1].toLowerCase();
}
FAIR WARNING: toString
considers NaN
a number
so you must manually safeguard later with Number.isNaN(value)
.
The other solution suggested, using Object.getPrototypeOf
fails with null
and undefined
we can simply use in.next().charAt(0); to assign + - * / operations as characters by initializing operation as a char.
import java.util.*; public class Calculator {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
char operation;
int num1;
int num2;
System.out.println("Enter First Number");
num1 = in.nextInt();
System.out.println("Enter Operation");
operation = in.next().charAt(0);
System.out.println("Enter Second Number");
num2 = in.nextInt();
if (operation == '+')//make sure single quotes
{
System.out.println("your answer is " + (num1 + num2));
}
if (operation == '-')
{
System.out.println("your answer is " + (num1 - num2));
}
if (operation == '/')
{
System.out.println("your answer is " + (num1 / num2));
}
if (operation == '*')
{
System.out.println("your answer is " + (num1 * num2));
}
}
}
We had the same problem on a CentOS7 machine. Disabling the VERIFYHOST
VERIFYPEER
did not solve the problem, we did not have the cURL error anymore but the response still was invalid. Doing a wget
to the same link as the cURL was doing also resulted in a certificate error.
-> Our solution also was to reboot the VPS, this solved it and we were able to complete the request again.
For us this seemed to be a memory corruption problem. Rebooting the VPS reloaded the libary in the memory again and now it works. So if the above solution from @clover
does not work try to reboot your machine.
An expression like
dosomething1 && dosomething2 && dosomething3
will stop processing when one of the commands returns with a non-zero value. For example, the following command will never print "done":
cat nosuchfile && echo "done"
echo $?
1
You are trying to alter the behaviour of onclick
inside the same function call. Try it like this:
<a id="loginLink" onclick="toggleTable();" href="#">Login</a>
function toggleTable() {
var lTable = document.getElementById("loginTable");
lTable.style.display = (lTable.style.display == "table") ? "none" : "table";
}
You are on the right track about hostvars
.
This magic variable is used to access information about other hosts.
hostvars
is a hash with inventory hostnames as keys.
To access fields of each host, use hostvars['test-1']
, hostvars['test2-1']
, etc.
ansible_ssh_host
is deprecated in favor of ansible_host
since 2.0.
So you should first remove "_ssh" from inventory hosts arguments (i.e. to become "ansible_user", "ansible_host", and "ansible_port"), then in your role call it with:
{{ hostvars['your_host_group'].ansible_host }}
Have a look at the cases
function from the memisc
package. It implements case-functionality with two different ways to use it.
From the examples in the package:
z1=cases(
"Condition 1"=x<0,
"Condition 2"=y<0,# only applies if x >= 0
"Condition 3"=TRUE
)
where x
and y
are two vectors.
References: memisc package, cases example
Big-O is an upper bound.
Big-Theta is a tight bound, i.e. upper and lower bound.
When people only worry about what's the worst that can happen, big-O is sufficient; i.e. it says that "it can't get much worse than this". The tighter the bound the better, of course, but a tight bound isn't always easy to compute.
The following quote from Wikipedia also sheds some light:
Informally, especially in computer science, the Big O notation often is permitted to be somewhat abused to describe an asymptotic tight bound where using Big Theta notation might be more factually appropriate in a given context.
For example, when considering a function
T(n) = 73n
3+ 22n
2+ 58
, all of the following are generally acceptable, but tightness of bound (i.e., bullets 2 and 3 below) are usually strongly preferred over laxness of bound (i.e., bullet 1 below).
T(n) = O(n
100)
, which is identical toT(n) ? O(n
100)
T(n) = O(n
3)
, which is identical toT(n) ? O(n
3)
T(n) = T(n
3)
, which is identical toT(n) ? T(n
3)
The equivalent English statements are respectively:
T(n)
grows asymptotically no faster thann
100T(n)
grows asymptotically no faster thann
3T(n)
grows asymptotically as fast asn
3.So while all three statements are true, progressively more information is contained in each. In some fields, however, the Big O notation (bullets number 2 in the lists above) would be used more commonly than the Big Theta notation (bullets number 3 in the lists above) because functions that grow more slowly are more desirable.
I got this error multiple times and struggled to work out. Finally, I removed the run configuration and re-added the default entries. It worked beautifully.
A typographical error in the string describing the database driver can also produce the error.
A string specified as:
"jdbc:mysql//localhost:3307/dbname,"usrname","password"
can result in a "no suitable driver found" error. The colon following "mysql" is missing in this example.
The correct driver string would be:
jdbc:mysql://localhost:3307/dbname,"usrname","password"
After having it defined in your manifest file, a friendlier alternative to the native solution would be using Aaper: https://github.com/LikeTheSalad/aaper like so:
@EnsurePermissions(permissions = [Manifest.permission.ACCESS_FINE_LOCATION])
private fun scanForLocation() {
// Your code that needs the location permission granted.
}
Disclaimer, I'm the creator of Aaper.
It's probably the same problem with cultures as presented in this related SO-thread: Why can't DateTime.ParseExact() parse "9/1/2009" using "M/d/yyyy"
You already specified the culture, so try escaping the slashes.
If you want to build Java EE applications, it's best to use Eclipse IDE for Java EE. It has editors from HTML to JSP/JSF, Javascript. It's rich for webapps development, and provide plugins and tools to develop Java EE applications easily (all bundled).
Eclipse Classic is basically the full featured Eclipse without the Java EE part.
Looking at your own answer @Bog, I think you want;
$plugin_dir_path = dirname(__FILE__);
You can't add items to an array, since it has fixed length. What you're looking for is a List<string>
, which can later be turned to an array using list.ToArray()
, e.g.
List<string> list = new List<string>();
list.Add("Hi");
String[] str = list.ToArray();
Rather than giving background-size:100%;
We can give background-size:contain;
Check out this for different options avaliable: http://www.css3.info/preview/background-size/
Spinner code
<Spinner
android:id="@+id/spinner"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="@color/text.white"
android:paddingBottom="13dp"
android:background="@drawable/bg_spinner"/>
bg_spinner.xml
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="@color/colorPrimaryDark"/>
<corners android:radius="10dp" />
</shape>
</item>
<item android:gravity="center_vertical|right" android:right="8dp">
<layer-list>
<item android:width="12dp" android:height="12dp" android:gravity="center" android:bottom="10dp">
<rotate
android:fromDegrees="45"
android:toDegrees="45">
<shape android:shape="rectangle">
<solid android:color="#ffffff" />
<stroke android:color="#ffffff" android:width="1dp"/>
</shape>
</rotate>
</item>
<item android:width="20dp" android:height="10dp" android:bottom="21dp" android:gravity="center">
<shape android:shape="rectangle">
<solid android:color="@color/colorPrimaryDark"/>
</shape>
</item>
</layer-list>
</item>
</layer-list>
After trying almost every key on my keyboard:
C:\Users\Tim>cd ^
Mehr? Desktop
C:\Users\Tim\Desktop>
So it seems to be the ^ key.
Parameter Options FollowSymLinks
enables you to have a symlink in your webroot pointing to some other file/dir. With this disabled, Apache will refuse to follow such symlink. More secure Options SymLinksIfOwnerMatch
can be used instead - this will allow you to link only to other files which you do own.
If you use Options
directive in .htaccess
with parameter which has been forbidden in main Apache config, server will return HTTP 500 error code.
Allowed .htaccess
options are defined by directive AllowOverride
in the main Apache config file. To allow symlinks, this directive need to be set to All
or Options
.
Besides allowing use of symlinks, this directive is also needed to enable mod_rewrite in .htaccess
context. But for this, also the more secure SymLinksIfOwnerMatch
option can be used.
I use to ZipDiff lib (have both Java and ant API).
You can install the apk on your phone, then
connect using adb, you can launch adb shell and execute pm list packages -f, which shows the package name for each installed apk.
This taken from Find package name for Android apps to use Intent to launch Market app from web
new {var_data[counter] =new [] {
new{ "S NO": "+ obj_Data_Row["F_ID_ITEM_MASTER"].ToString() +","PART NAME": " + obj_Data_Row["F_PART_NAME"].ToString() + ","PART ID": " + obj_Data_Row["F_PART_ID"].ToString() + ","PART CODE":" + obj_Data_Row["F_PART_CODE"].ToString() + ", "CIENT PART ID": " + obj_Data_Row["F_ID_CLIENT"].ToString() + ","TYPES":" + obj_Data_Row["F_TYPE"].ToString() + ","UOM":" + obj_Data_Row["F_UOM"].ToString() + ","SPECIFICATION":" + obj_Data_Row["F_SPECIFICATION"].ToString() + ","MODEL":" + obj_Data_Row["F_MODEL"].ToString() + ","LOCATION":" + obj_Data_Row["F_LOCATION"].ToString() + ","STD WEIGHT":" + obj_Data_Row["F_STD_WEIGHT"].ToString() + ","THICKNESS":" + obj_Data_Row["F_THICKNESS"].ToString() + ","WIDTH":" + obj_Data_Row["F_WIDTH"].ToString() + ","HEIGHT":" + obj_Data_Row["F_HEIGHT"].ToString() + ","STUFF QUALITY":" + obj_Data_Row["F_STUFF_QTY"].ToString() + ","FREIGHT":" + obj_Data_Row["F_FREIGHT"].ToString() + ","THRESHOLD FG":" + obj_Data_Row["F_THRESHOLD_FG"].ToString() + ","THRESHOLD CL STOCK":" + obj_Data_Row["F_THRESHOLD_CL_STOCK"].ToString() + ","DESCRIPTION":" + obj_Data_Row["F_DESCRIPTION"].ToString() + "}
}
};
This is how I pass data from Activity
to IntentService
.
One of my application has this scenario.
1) Send Data (Activity code)
Intent intent = new Intent(MusicActivity.class, DownloadSongService.class);
String songUrl = "something";
intent.putExtra(YOUR_KEY_SONG_NAME, songUrl);
startService(intent);
2) Get data in Service (IntentService code)
You can access the intent in the onHandleIntent()
method
public class DownloadSongService extends IntentService {
@Override
protected void onHandleIntent(@Nullable Intent intent) {
String songUrl = intent.getStringExtra("YOUR_KEY_SONG_NAME");
// Download File logic
}
}
For me, it helped to link the projects current directory as such:
In the properties -> C++ -> General window, instead of linking the path to the file in "additional include directories". Put "." and uncheck "inheret from parent or project defaults".
Hope this helps.
You can use the following code. Here I am uploading the image to firebase storage and then I am storing the image download url to firebase database.
//getting the storage reference
StorageReference sRef = storageReference.child(Constants.STORAGE_PATH_UPLOADS + System.currentTimeMillis() + "." + getFileExtension(filePath));
//adding the file to reference
sRef.putFile(filePath)
.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
//dismissing the progress dialog
progressDialog.dismiss();
//displaying success toast
Toast.makeText(getApplicationContext(), "File Uploaded ", Toast.LENGTH_LONG).show();
//creating the upload object to store uploaded image details
Upload upload = new Upload(editTextName.getText().toString().trim(), taskSnapshot.getDownloadUrl().toString());
//adding an upload to firebase database
String uploadId = mDatabase.push().getKey();
mDatabase.child(uploadId).setValue(upload);
}
})
.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception exception) {
progressDialog.dismiss();
Toast.makeText(getApplicationContext(), exception.getMessage(), Toast.LENGTH_LONG).show();
}
})
.addOnProgressListener(new OnProgressListener<UploadTask.TaskSnapshot>() {
@Override
public void onProgress(UploadTask.TaskSnapshot taskSnapshot) {
//displaying the upload progress
double progress = (100.0 * taskSnapshot.getBytesTransferred()) / taskSnapshot.getTotalByteCount();
progressDialog.setMessage("Uploaded " + ((int) progress) + "%...");
}
});
Now to fetch all the images stored in firebase database you can use
//adding an event listener to fetch values
mDatabase.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot snapshot) {
//dismissing the progress dialog
progressDialog.dismiss();
//iterating through all the values in database
for (DataSnapshot postSnapshot : snapshot.getChildren()) {
Upload upload = postSnapshot.getValue(Upload.class);
uploads.add(upload);
}
//creating adapter
adapter = new MyAdapter(getApplicationContext(), uploads);
//adding adapter to recyclerview
recyclerView.setAdapter(adapter);
}
@Override
public void onCancelled(DatabaseError databaseError) {
progressDialog.dismiss();
}
});
Fore more details you can see my post Firebase Storage Example.
That meta tag basically specifies which character set a website is written with.
Here is a definition of UTF-8:
UTF-8 (U from Universal Character Set + Transformation Format—8-bit) is a character encoding capable of encoding all possible characters (called code points) in Unicode. The encoding is variable-length and uses 8-bit code units.
Take double array as an example, if the initial input values
array is not empty, the following code snippet is superior to traditional direct for-loop
in time complexity:
public static void resetValues(double[] values) {
int len = values.length;
if (len > 0) {
values[0] = 0.0;
}
for (int i = 1; i < len; i += i) {
System.arraycopy(values, 0, values, i, ((len - i) < i) ? (len - i) : i);
}
}
Use SSL only and instead of encrypting the HTTP_USER_AGENT in the session id and verifying it on every request, just store the HTTP_USER_AGENT string in your session db as well.
Now you only have a simple server based string compare with the ENV'HTTP_USER_AGENT'.
Or you can add a certain variation in your string compare to be more robust against browser version updates. And you could reject certain HTTP_USER_AGENT id's. (empty ones i.e.) Does not resolve the problem completley, but it adds at least a bit more complexity.
Another method could be using more sophisticated browser fingerprinting techniques and combine theyse values with the HTTP_USER_AGENT and send these values from time to time in a separate header values. But than you should encrypt the data in the session id itself.
But that makes it far more complex and raises the CPU usage for decryption on every request.
dat <- data.frame(x1 = c(1,2,3, NA, 5), x2 = c(100, NA, 300, 400, 500))
na.omit(dat)
x1 x2
1 1 100
3 3 300
5 5 500
This is not a question about make, it is a question about the semantic of the #include
directive.
The problem is, that there is no file at the path "../StdCUtil/StdCUtil/split.h". This is the path that results when the compiler combines the include path "../StdCUtil" with the relative path from the #include
directive "StdCUtil/split.h".
To fix this, just use -I..
instead of -I../StdCUtil
.
The error "Class names are only accepted if annotation processing is explicitly requested" can be caused by one or more of the following:
This may not be the complete list of causes to this error, but these are the causes that I am aware of so far.
private void DgvRoomInformation_CellEnter(object sender, DataGridViewCellEventArgs e)
{
if (DgvRoomInformation.CurrentCell.ColumnIndex == 4) //example-'Column index=4'
{
DgvRoomInformation.BeginEdit(true);
}
}
Pure Vanilla Javascript, and full backward compatibility
function isObjectDefined (Obj) {_x000D_
if (Obj === null || typeof Obj !== 'object' ||_x000D_
Object.prototype.toString.call(Obj) === '[object Array]') {_x000D_
return false_x000D_
} else {_x000D_
for (var prop in Obj) {_x000D_
if (Obj.hasOwnProperty(prop)) {_x000D_
return true_x000D_
}_x000D_
}_x000D_
return JSON.stringify(Obj) !== JSON.stringify({})_x000D_
}_x000D_
}_x000D_
_x000D_
console.log(isObjectDefined()) // false_x000D_
console.log(isObjectDefined('')) // false_x000D_
console.log(isObjectDefined(1)) // false_x000D_
console.log(isObjectDefined('string')) // false_x000D_
console.log(isObjectDefined(NaN)) // false_x000D_
console.log(isObjectDefined(null)) // false_x000D_
console.log(isObjectDefined({})) // false_x000D_
console.log(isObjectDefined([])) // false_x000D_
console.log(isObjectDefined({a: ''})) // true
_x000D_
For kotlin, you can use the below code.
fun isMyServiceRunning(calssObj: Class<SERVICE_CALL_NAME>): Boolean {
val manager = requireActivity().getSystemService(Context.ACTIVITY_SERVICE) as ActivityManager
for (service in manager.getRunningServices(Integer.MAX_VALUE)) {
if (calssObj.getName().equals(service.service.getClassName())) {
return true
}
}
return false
}
def recall(x):
num1 = x[-4:]
num2 = x[::-1]
num3 = num2[-4:]
num4 = [num3, num1]
return num4
Now just make an variable outside the function and recall the function : like this:
avg = recall("idreesjaneqand")
print(avg)
Display errors could be turned off in the php.ini
or your Apache configuration file.
You can turn it on in the script:
error_reporting(E_ALL);
ini_set('display_errors', '1');
You should see the same messages in the PHP error log.
This works if you want to display in a TextBox:
@Html.TextBoxFor(m => m.Employee.DOB, "{0:dd-MM-yyyy}")
For Ajax, use $(".select2").val("").trigger("change")
. That should solve the problem.
There is a workaround for this, if you set the scope of a dependency to runtime, transitive dependencies will be excluded. Though be aware this means you need to add in additional processing if you want to package the runtime dependency.
To include the runtime dependency in any packaging, you can use the maven-dependency-plugin's copy goal for a specific artifact.
You can pass an empty array to unselect all the selection. Here goes an example. From documentation
val()
allows you to pass an array of element values. This is useful when working on a jQuery object containing elements like , , and s inside of a . In this case, the inputs and the options having a value that matches one of the elements of the array will be checked or selected while those having a value that doesn't match one of the elements of the array will be unchecked or unselected, depending on the type.
$('.clearAll').on('click', function() {_x000D_
$('.dropdown').val([]);_x000D_
});
_x000D_
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
_x000D_
<select class="dropdown" multiple>_x000D_
<option value="volvo">Volvo</option>_x000D_
<option value="saab">Saab</option>_x000D_
<option value="opel">Opel</option>_x000D_
<option value="audi">Audi</option>_x000D_
</select>_x000D_
_x000D_
<button class='clearAll'>Clear All Selection</button>
_x000D_
A working code:
private void changeScreenOrientation() {
int orientation = yourActivityName.this.getResources().getConfiguration().orientation;
if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
showMediaDescription();
} else {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
hideMediaDescription();
}
if (Settings.System.getInt(getContentResolver(),
Settings.System.ACCELEROMETER_ROTATION, 0) == 1) {
Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR);
}
}, 4000);
}
}
call this method in your button click
Thanks all for your help! Finally I used JQuery/AJAX as you suggested, passing the parameter using model.
So, in JS:
$('#divPoints').load('/Schedule/UpdatePoints', UpdatePointsAction);
var points= $('#newpoints').val();
$element.find('PointsDiv').html("You have" + points+ " points");
In Controller:
var model = _newPoints;
return PartialView(model);
In View
<div id="divPoints"></div>
@Html.Hidden("newpoints", Model)
override func setSelected(_ selected: Bool, animated: Bool) {
super.setSelected(selected, animated: animated)
if selected {
self.contentView.backgroundColor = .black
} else {
self.contentView.backgroundColor = .white
}
}
// When the user scrolls down 20px from the top of the document, show the button_x000D_
window.onscroll = function() {scrollFunction()};_x000D_
_x000D_
function scrollFunction() {_x000D_
if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {_x000D_
document.getElementById("myBtn").style.display = "block";_x000D_
} else {_x000D_
document.getElementById("myBtn").style.display = "none";_x000D_
}_x000D_
_x000D_
}_x000D_
_x000D_
// When the user clicks on the button, scroll to the top of the document_x000D_
function topFunction() {_x000D_
_x000D_
$('html, body').animate({scrollTop:0}, 'slow');_x000D_
}
_x000D_
body {_x000D_
font-family: Arial, Helvetica, sans-serif;_x000D_
font-size: 20px;_x000D_
}_x000D_
_x000D_
#myBtn {_x000D_
display: none;_x000D_
position: fixed;_x000D_
bottom: 20px;_x000D_
right: 30px;_x000D_
z-index: 99;_x000D_
font-size: 18px;_x000D_
border: none;_x000D_
outline: none;_x000D_
background-color: red;_x000D_
color: white;_x000D_
cursor: pointer;_x000D_
padding: 15px;_x000D_
border-radius: 4px;_x000D_
}_x000D_
_x000D_
#myBtn:hover {_x000D_
background-color: #555;_x000D_
}
_x000D_
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>_x000D_
_x000D_
<button onclick="topFunction()" id="myBtn" title="Go to top">Top</button>_x000D_
_x000D_
<div style="background-color:black;color:white;padding:30px">Scroll Down</div>_x000D_
<div style="background-color:lightgrey;padding:30px 30px 2500px">This example demonstrates how to create a "scroll to top" button that becomes visible when the user starts to scroll the page.</div>
_x000D_
If you are using LINUX, you can use pyALSAAUDIO. For windows, we have PyAudio and there is also a library called SoundAnalyse.
I found an example for Linux here:
#!/usr/bin/python
## This is an example of a simple sound capture script.
##
## The script opens an ALSA pcm for sound capture. Set
## various attributes of the capture, and reads in a loop,
## Then prints the volume.
##
## To test it out, run it and shout at your microphone:
import alsaaudio, time, audioop
# Open the device in nonblocking capture mode. The last argument could
# just as well have been zero for blocking mode. Then we could have
# left out the sleep call in the bottom of the loop
inp = alsaaudio.PCM(alsaaudio.PCM_CAPTURE,alsaaudio.PCM_NONBLOCK)
# Set attributes: Mono, 8000 Hz, 16 bit little endian samples
inp.setchannels(1)
inp.setrate(8000)
inp.setformat(alsaaudio.PCM_FORMAT_S16_LE)
# The period size controls the internal number of frames per period.
# The significance of this parameter is documented in the ALSA api.
# For our purposes, it is suficcient to know that reads from the device
# will return this many frames. Each frame being 2 bytes long.
# This means that the reads below will return either 320 bytes of data
# or 0 bytes of data. The latter is possible because we are in nonblocking
# mode.
inp.setperiodsize(160)
while True:
# Read data from device
l,data = inp.read()
if l:
# Return the maximum of the absolute value of all samples in a fragment.
print audioop.max(data, 2)
time.sleep(.001)
For iOS 8
static NSString *_myCustomFontName;
+ (NSString *)myCustomFontName:(NSString*)fontName
{
if ( !_myCustomFontName )
{
NSArray *arr = [UIFont fontNamesForFamilyName:fontName];
// I know I only have one font in this family
if ( [arr count] > 0 )
_myCustomFontName = arr[0];
}
return _myCustomFontName;
}
I just ran into this myself and found that, indeed, as one post above stated: using cygwin and gunzip or unzip to set up your eclipse environment the permissions on the .exe and .dll files will be incorrect and the JVM will not run them properly.
#switch to the eclipse target folder
cd /cygdrive/c/Program\ Files\ \(x86\) #or wherever you put eclipse
find ./ -regextype posix-extended -mindepth 1 -type f -regex ".*\.exe|.*\.dll" |\
xargs chmod -v 750
You need to code your html using absolute path for images. By Absolute path means you have to upload the images in a server and in the src
attribute of images you have to give the direct path like this <img src="http://yourdomain.com/images/example.jpg">
.
Below is the PHP code for your refference :- Its taken from http://www.php.net/manual/en/function.mail.php
<?php
// multiple recipients
$to = '[email protected]' . ', '; // note the comma
$to .= '[email protected]';
// subject
$subject = 'Birthday Reminders for August';
// message
$message = '
<p>Here are the birthdays upcoming in August!</p>
';
// To send HTML mail, the Content-type header must be set
$headers = 'MIME-Version: 1.0' . "\r\n";
$headers .= 'Content-type: text/html; charset=UTF-8' . "\r\n";
// Additional headers
$headers .= 'To: Mary <[email protected]>, Kelly <[email protected]>' . "\r\n";
$headers .= 'From: Birthday Reminder <[email protected]>' . "\r\n";
// Mail it
mail($to, $subject, $message, $headers);
?>
This works:
package main
import (
"fmt"
"os"
"os/signal"
"syscall"
"time" // or "runtime"
)
func cleanup() {
fmt.Println("cleanup")
}
func main() {
c := make(chan os.Signal)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
go func() {
<-c
cleanup()
os.Exit(1)
}()
for {
fmt.Println("sleeping...")
time.Sleep(10 * time.Second) // or runtime.Gosched() or similar per @misterbee
}
}
To script this:
pid=$(lsof -ti tcp:8080)
if [[ $pid ]]; then
kill -9 $pid
fi
The -t
argument makes the output of lsof "terse" which means that it only returns the PID.
Here's something I came up with after applying a few principles other SO posts, including Aaron's link:
AnnotationPin *myAnnotation = (AnnotationPin *)annotation;
self = [super initWithAnnotation:myAnnotation reuseIdentifier:reuseIdentifier];
self.backgroundColor = [UIColor greenColor];
self.frame = CGRectMake(0,0,30,30);
imageView = [[UIImageView alloc] initWithImage:myAnnotation.THEIMAGE];
imageView.frame = CGRectMake(3,3,20,20);
imageView.layer.masksToBounds = NO;
[self addSubview:imageView];
[imageView release];
CGSize titleSize = [myAnnotation.THETEXT sizeWithFont:[UIFont systemFontOfSize:12]];
CGRect newFrame = self.frame;
newFrame.size.height = titleSize.height + 12;
newFrame.size.width = titleSize.width + 32;
self.frame = newFrame;
self.layer.borderColor = [UIColor colorWithRed:0 green:.3 blue:0 alpha:1.0f].CGColor;
self.layer.borderWidth = 3.0;
UILabel *infoLabel = [[UILabel alloc] initWithFrame:CGRectMake(26,5,newFrame.size.width-32,newFrame.size.height-12)];
infoLabel.text = myAnnotation.title;
infoLabel.backgroundColor = [UIColor clearColor];
infoLabel.textColor = [UIColor blackColor];
infoLabel.textAlignment = UITextAlignmentCenter;
infoLabel.font = [UIFont systemFontOfSize:12];
[self addSubview:infoLabel];
[infoLabel release];
In this example, I'm adding a custom pin to a MKAnnotation class that resizes a UILabel according to the text size. It also adds an image on the left side of the view, so you see some of the code managing the proper spacing to handle the image and padding.
The key is to use CGSize titleSize = [myAnnotation.THETEXT sizeWithFont:[UIFont systemFontOfSize:12]];
and then redefine the view's dimensions. You can apply this logic to any view.
Although Aaron's answer works for some, it didn't work for me. This is a far more detailed explanation that you should try immediately before going anywhere else if you want a more dynamic view with an image and resizable UILabel. I already did all the work for you!!
Since you already had a running version of WAMP and it stopped working, you probably had VCRUNTIME140.dll already installed. In that case:
This did the trick for me.
back to 2017:
use URL.createObjectURL( file ) to create local link to file system that user select;
don't forgot to free memory by using URL.revokeObjectURL()
<script type = "text/javascript">
function get_values(input_id)
{
var input = document.getElementById(input_id).value;
document.write(input);
}
</script>
<!--Insert more code here-->
<input type = "text" id = "textfield">
<input type = "button" onclick = "get('textfield')" value = "submit">
Next time you ask a question here, include more detail and what you have tried.
It seems that in the debug log for Java 6
the request is send in SSLv2
format.
main, WRITE: SSLv2 client hello message, length = 110
This is not mentioned as enabled by default in Java 7.
Change the client to use SSLv3 and above to avoid such interoperability issues.
Why use SurfaceView and not the classic View class...
One main reason is that SurfaceView can rapidly render the screen.
In simple words a SV is more capable of managing the timing and render animations.
To have a better understanding what is a SurfaceView we must compare it with the View class.
What is the difference... check this simple explanation in the video
https://m.youtube.com/watch?feature=youtu.be&v=eltlqsHSG30
Well with the View we have one major problem....the timing of rendering animations.
Normally the onDraw() is called from the Android run-time system.
So, when Android run-time system calls onDraw() then the application cant control
the timing of display, and this is important for animation. We have a gap of timing
between the application (our game) and the Android run-time system.
The SV it can call the onDraw() by a dedicated Thread.
Thus: the application controls the timing. So we can display the next bitmap image of the animation.
This is how I cleared my recyclerview and added new items to it with animation:
mList.clear();
mAdapter.notifyDataSetChanged();
mSwipeRefreshLayout.setRefreshing(false);
//reset adapter with empty array list (it did the trick animation)
mAdapter = new MyAdapter(context, mList);
recyclerView.setAdapter(mAdapter);
mList.addAll(newList);
mAdapter.notifyDataSetChanged();
If you want to pass just the index.php ( no other php file will be passed to fastcgi ) to fastcgi in case you have routes like this in a framework like codeigniter
$route["/download.php"] = "controller/method";
location ~ index\.php$ {
fastcgi_pass 127.0.0.1:9000;
include fastcgi.conf;
}
Try to use this exact startup tag in your app.config under configuration node
<startup useLegacyV2RuntimeActivationPolicy="true">
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
<requiredRuntime version="v4.0.20506" />
</startup>
Stole this from here. I found it very useful!
DECLARE @DB_USers TABLE
(DBName sysname, UserName sysname, LoginType sysname, AssociatedRole varchar(max),create_date datetime,modify_date datetime)
INSERT @DB_USers
EXEC sp_MSforeachdb
'
use [?]
SELECT ''?'' AS DB_Name,
case prin.name when ''dbo'' then prin.name + '' (''+ (select SUSER_SNAME(owner_sid) from master.sys.databases where name =''?'') + '')'' else prin.name end AS UserName,
prin.type_desc AS LoginType,
isnull(USER_NAME(mem.role_principal_id),'''') AS AssociatedRole ,create_date,modify_date
FROM sys.database_principals prin
LEFT OUTER JOIN sys.database_role_members mem ON prin.principal_id=mem.member_principal_id
WHERE prin.sid IS NOT NULL and prin.sid NOT IN (0x00) and
prin.is_fixed_role <> 1 AND prin.name NOT LIKE ''##%'''
SELECT
dbname,username ,logintype ,create_date ,modify_date ,
STUFF(
(
SELECT ',' + CONVERT(VARCHAR(500),associatedrole)
FROM @DB_USers user2
WHERE
user1.DBName=user2.DBName AND user1.UserName=user2.UserName
FOR XML PATH('')
)
,1,1,'') AS Permissions_user
FROM @DB_USers user1
GROUP BY
dbname,username ,logintype ,create_date ,modify_date
ORDER BY DBName,username
get sock opt may be somewhat useful, however, another way would to have a signal handler installed for SIGPIPE. Basically whenever you the socket connection breaks, the kernel will send a SIGPIPE signal to the process and then you can do the needful. But this still does not provide the solution for knowing the status of the connection. hope this helps.
One of the following:
find *.txt -exec awk 'END {print $0 "," FILENAME}' {} \;
find *.txt -exec sh -c 'echo "$(tail -n 1 "$1"),$1"' _ {} \;
find *.txt -exec sh -c 'echo "$(sed -n "\$p" "$1"),$1"' _ {} \;
I'm not sure you have gotten past this yet, but I had to work on something very similar today and I got your fiddle working like you are asking, basically what I did was make another table row under it, and then used the accordion control. I tried using just collapse but could not get it working and saw an example somewhere on SO that used accordion.
Here's your updated fiddle: http://jsfiddle.net/whytheday/2Dj7Y/11/
Since I need to post code here is what each collapsible "section" should look like ->
<tr data-toggle="collapse" data-target="#demo1" class="accordion-toggle">
<td>1</td>
<td>05 May 2013</td>
<td>Credit Account</td>
<td class="text-success">$150.00</td>
<td class="text-error"></td>
<td class="text-success">$150.00</td>
</tr>
<tr>
<td colspan="6" class="hiddenRow">
<div class="accordion-body collapse" id="demo1">Demo1</div>
</td>
</tr>
its very easy. Use the bellow code, Its works for me. Here I have used fontawesome icon but you can use anything as image or any other Icon's code.
$(document).ready(function(){
$('.slider').slick({
autoplay:true,
arrows: true,
prevArrow:"<button type='button' class='slick-prev pull-left'><i class='fa fa-angle-left' aria-hidden='true'></i></button>",
nextArrow:"<button type='button' class='slick-next pull-right'><i class='fa fa-angle-right' aria-hidden='true'></i></button>"
});
});
The following correct answer was provided in the comment section of the question by Felix Kling:
if (!$.trim(data)){
alert("What follows is blank: " + data);
}
else{
alert("What follows is not blank: " + data);
}
You can take a diff that undoes the changes you want and commit that.
E.g. If you want to undo the changes in the range from..to
, do the following
git diff to..from > foo.diff # get a reverse diff
patch < foo.diff
git commit -a -m "Undid changes from..to".
As no one has mentioned, another way to create a String out of a single char:
String s = Character.toString('X');
Returns a String object representing the specified char. The result is a string of length 1 consisting solely of the specified char.
This an old question, but I have a new answer. This single line will return the path inside a template: :)
$wp_root_path = str_replace('/wp-content/themes', '', get_theme_root());
d3.select("div#chartId")
.append("div")
// Container class to make it responsive.
.classed("svg-container", true)
.append("svg")
// Responsive SVG needs these 2 attributes and no width and height attr.
.attr("preserveAspectRatio", "xMinYMin meet")
.attr("viewBox", "0 0 600 400")
// Class to make it responsive.
.classed("svg-content-responsive", true)
// Fill with a rectangle for visualization.
.append("rect")
.classed("rect", true)
.attr("width", 600)
.attr("height", 400);
_x000D_
.svg-container {
display: inline-block;
position: relative;
width: 100%;
padding-bottom: 100%; /* aspect ratio */
vertical-align: top;
overflow: hidden;
}
.svg-content-responsive {
display: inline-block;
position: absolute;
top: 10px;
left: 0;
}
svg .rect {
fill: gold;
stroke: steelblue;
stroke-width: 5px;
}
_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/5.7.0/d3.min.js"></script>
<div id="chartId"></div>
_x000D_
Well in the end I had to compromise by implementing a HTML5/CSS solution, forgoing increment buttons in IE (they're a bit broke in FF anyway!), but gaining number validation that the JQuery spinner doesn't provide. Though I have had to go with a step of whole numbers.
span.gbp {_x000D_
float: left;_x000D_
text-align: left;_x000D_
}_x000D_
_x000D_
span.gbp::before {_x000D_
float: left;_x000D_
content: "\00a3"; /* £ */_x000D_
padding: 3px 4px 3px 3px;_x000D_
}_x000D_
_x000D_
span.gbp input {_x000D_
width: 280px !important;_x000D_
}
_x000D_
<label for="broker_fees">Broker Fees</label>_x000D_
<span class="gbp">_x000D_
<input type="number" placeholder="Enter whole GBP (£) or zero for none" min="0" max="10000" step="1" value="" name="Broker_Fees" id="broker_fees" required="required" />_x000D_
</span>
_x000D_
The validation is a bit flaky across browsers, where IE/FF allow commas and decimal places (as long as it's .00), where as Chrome/Opera don't and want just numbers.
I guess it's a shame that the JQuery spinner won't work with a number type input, but the docs explicitly state not to do that :-( and I'm puzzled as to why a number spinner widget allows input of any ascii char?
Here's what worked for me.
Html using the directive
<tr orderitemdirective remove="vm.removeOrderItem(orderItem)" order-item="orderitem"></tr>
Html of the directive: orderitem.directive.html
<md-button type="submit" ng-click="remove({orderItem:orderItem})">
(...)
</md-button>
Directive's scope:
scope: {
orderItem: '=',
remove: "&",
Script to Check whether Linux user exists or not
#! /bin/bash
USER_NAME=bakul
cat /etc/passwd | grep ${USER_NAME} >/dev/null 2>&1
if [ $? -eq 0 ] ; then
echo "User Exists"
else
echo "User Not Found"
fi
I'm using
$this->db->query("SELECT * FROM film WHERE film.title LIKE '%$query%'"); for such purposes
Judging from other answers, it seems this might be find's fault.
However you can do it this way instead:
find . * | grep -P "[a-f0-9\-]{36}\.jpg"
You might have to tweak the grep a bit and use different options depending on what you want but it works.
I prefer to turn the tibble to data.frame. It shows everything and you're done
df %>% data.frame
Try this if the 0.0.0.0 method doesn't work
Boring Stuff
I personally battled a lot to get my app accessible to other devices(laptops and mobile phones) through a local-server. I tried the 0.0.0.0 method, but no luck. Then I tried changing the port, but it just didn't work. So, after trying a bunch of different combinations, I arrived to this one, and it solved my problem of deploying my app on a local server.
Steps
ipconfig
on Windows and ifconfig
on Linux
and Mac.Please note: The above step is to be performed on the machine you are serving the app on, and on not the machine on which you are accessing it. Also note, that the IPv4 address might change if you disconnect and reconnect to the network.
Now, simply run the flask app with the acquired IPv4 address.
flask run -h 192.168.X.X
E.g. In my case (see the image), I ran it as:
flask run -h 192.168.1.100
On my mobile device
Optional Stuff
If you are performing this procedure on Windows and using Power Shell as the CLI, and you still aren't able to access the website, try a CTRL + C command in the shell that's running the app. Power Shell gets frozen up sometimes and it needs a pinch to revive. Doing this might even terminate the server, but it sometimes does the trick.
That's it. Give a thumbs up if you found this helpful.
Some more optional stuff
I have created a short Powershell script that will get you your IP address whenever you need one:
$env:getIp = ipconfig
if ($env:getIp -match '(IPv4[\sa-zA-Z.]+:\s[0-9.]+)') {
if ($matches[1] -match '([^a-z\s][\d]+[.\d]+)'){
$ipv4 = $matches[1]
}
}
echo $ipv4
Save it to a file with .ps1 extension (for PowerShell), and run it on before starting your app. You can save it in your project folder and run it as:
.\getIP.ps1; flask run -h $ipv4
Note: I saved the above shellcode in getIP.ps1.
Cool.
simply set Autoscroll = true
for ur windows form.. (its not good solution but helpful)..
try for panel also(Autoscroll
property = true
)
String[] words= new String[]{"ace","boom","crew","dog","eon"};
List<String> wordList = Arrays.asList(words);
I think you might be looking for an "anchor" given the example you have.
<a href="#jump">This link will jump to the anchor named jump</a>
<a name="jump">This is where the link will jump to</a>
The focus jQuery method does something different from what you're trying to achieve.
Since I'm using Python 3.7 on Ubuntu I had to use:
sudo apt-get install python3.7-tk
The best solution to tackle this issue is to Globally ignore these files from all the git repos on your system. This can be done by creating a global gitignore file like:
vi ~/.gitignore_global
Adding Rules for ignoring files like:
# Compiled source #
###################
*.com
*.class
*.dll
*.exe
*.o
*.so
# Packages #
############
# it's better to unpack these files and commit the raw source
# git has its own built in compression methods
*.7z
*.dmg
*.gz
*.iso
*.jar
*.rar
*.tar
*.zip
# Logs and databases #
######################
*.log
*.sql
*.sqlite
# OS generated files #
######################
.DS_Store
.DS_Store?
._*
.Spotlight-V100
.Trashes
ehthumbs.db
Thumbs.db
Now, add this file to your global git config:
git config --global core.excludesfile ~/.gitignore_global
Edit:
Removed Icons as they might need to be committed as application assets.
Like most form controls in HTML, the results of applying CSS to <select>
and <option>
elements vary a lot between browsers. Chrome, as you've found, won't let you apply and font styles to an <option>
element directly --- if you do Inspect Element on it, you'll see the font-size: 14px
declaration is crossed through as if it's been overridden by the cascade, but it's actually because Chrome is ignoring it.
However, Chrome will let you apply font styles to the <optgroup>
element, so to achieve the result you want you can wrap all the <option>
s in an <optgroup>
and then apply your font styles to a .styled-select optgroup
selector. If you want the optgroup sans-label, you may have to do some clever CSS with positioning or something to hide the white area at the top where the label would be shown, but that should be possible.
Forked to a new JSFiddle to show you what I mean:
Easiest and clearest way I'd say is:
var maxHeight = 0, maxHeightElement = null;
$('.panel').each(function(){
if ($(this).height() > maxHeight) {
maxHeight = $(this).height();
maxHeightElement = $(this);
}
});
mapStateToProps
, mapDispatchToProps
and connect
from react-redux
library provides a convenient way to access your state
and dispatch
function of your store. So basically connect is a higher order component, you can also think as a wrapper if this make sense for you. So every time your state
is changed mapStateToProps
will be called with your new state
and subsequently as you props
update component will run render function to render your component in browser. mapDispatchToProps
also stores key-values on the props
of your component, usually they take a form of a function. In such way you can trigger state
change from your component onClick
, onChange
events.
From docs:
const TodoListComponent = ({ todos, onTodoClick }) => (
<ul>
{todos.map(todo =>
<Todo
key={todo.id}
{...todo}
onClick={() => onTodoClick(todo.id)}
/>
)}
</ul>
)
const mapStateToProps = (state) => {
return {
todos: getVisibleTodos(state.todos, state.visibilityFilter)
}
}
const mapDispatchToProps = (dispatch) => {
return {
onTodoClick: (id) => {
dispatch(toggleTodo(id))
}
}
}
function toggleTodo(index) {
return { type: TOGGLE_TODO, index }
}
const TodoList = connect(
mapStateToProps,
mapDispatchToProps
)(TodoList)
Also make sure that you are familiar with React stateless functions and Higher-Order Components
Select
is a transformation, not an action, so it is lazily evaluated (won't actually do the calculations just map the operations). Collect
is an action.
Try:
df.limit(20).collect()
As of jackson 2.7.4 (or earlier maybe), the class is in jacskon-jaxrs-base.jar, which is contained in jackson-jaxrs-json-provider
Using ternary operator:
message = "blah" if 'key1' in dict else "booh"
print(message)
I solved this by overriding the default .modal.fade
styles in my own LESS stylesheet:
.modal {
&.fade {
.transition(e('opacity .3s linear'));
top: 50%;
}
&.fade.in { top: 50%; }
}
This keeps the fade in / fade out animation but removes the slide up / slide down animation.
you can get all product information from following code
$product_id=6//Suppose
$_product=Mage::getModel('catalog/product')->load($product_id);
$product_data["id"]=$_product->getId();
$product_data["name"]=$_product->getName();
$product_data["short_description"]=$_product->getShortDescription();
$product_data["description"]=$_product->getDescription();
$product_data["price"]=$_product->getPrice();
$product_data["special price"]=$_product->getFinalPrice();
$product_data["image"]=$_product->getThumbnailUrl();
$product_data["model"]=$_product->getSku();
$product_data["color"]=$_product->getAttributeText('color'); //get cusom attribute value
$storeId = Mage::app()->getStore()->getId();
$summaryData = Mage::getModel('review/review_summary')->setStoreId($storeId) ->load($_product->getId());
$product_data["rating"]=($summaryData['rating_summary']*5)/100;
$product_data["shipping"]=Mage::getStoreConfig('carriers/flatrate/price');
if($_product->isSalable() ==1)
$product_data["in_stock"]=1;
else
$product_data["in_stock"]=0;
echo "<pre>";
print_r($product_data);
//echo "</pre>";
It refers to the element in the DOM to which the onclick
attribute belongs:
<script type="text/javascript"
src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js">
</script>
<script type="text/javascript">
function func(e) {
$(e).text('there');
}
</script>
<a onclick="func(this)">here</a>
(This example uses jQuery.)
function getDatas() {
let cacheKey = 'memories';
if (cacheKey in localStorage) {
let datas = JSON.parse(localStorage.getItem(cacheKey));
// if expired
if (datas['expires'] < Date.now()) {
localStorage.removeItem(cacheKey);
getDatas()
} else {
setDatas(datas);
}
} else {
$.ajax({
"dataType": "json",
"success": function(datas, textStatus, jqXHR) {
let today = new Date();
datas['expires'] = today.setDate(today.getDate() + 7) // expires in next 7 days
setDatas(datas);
localStorage.setItem(cacheKey, JSON.stringify(datas));
},
"url": "http://localhost/phunsanit/snippets/PHP/json.json_encode.php",
});
}
}
function setDatas(datas) {
// display json as text
$('#datasA').text(JSON.stringify(datas));
// your code here
....
}
// call
getDatas();
I read trough all the possible solutions, which are all fine, if you remember to connect to the database before you grant the things ;) Thanks anyway to all other solutions!!!
user@server:~$ sudo su - postgres
create psql user:
postgres@server:~$ createuser --interactive
Enter name of role to add: readonly
Shall the new role be a superuser? (y/n) n
Shall the new role be allowed to create databases? (y/n) n
Shall the new role be allowed to create more new roles? (y/n) n
start psql cli and set a password for the created user:
postgres@server:~$ psql
psql (10.6 (Ubuntu 10.6-0ubuntu0.18.04.1), server 9.5.14)
Type "help" for help.
postgres=# alter user readonly with password 'readonly';
ALTER ROLE
connect to the target database:
postgres=# \c target_database
psql (10.6 (Ubuntu 10.6-0ubuntu0.18.04.1), server 9.5.14)
You are now connected to database "target_database" as user "postgres".
grant all the needed privileges:
target_database=# GRANT CONNECT ON DATABASE target_database TO readonly;
GRANT
target_database=# GRANT USAGE ON SCHEMA public TO readonly ;
GRANT
target_database=# GRANT SELECT ON ALL TABLES IN SCHEMA public TO readonly ;
GRANT
alter default privileges for targets db public shema:
target_database=# ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO readonly;
ALTER DEFAULT PRIVILEGES
Since you are using JSON.NET, personally I would go with serialization so that you can have Intellisense support for your object. You'll need a class that represents your JSON structure. You can build this by hand, or you can use something like json2csharp to generate it for you:
e.g.
public class Person
{
public string FirstName { get; set; }
public string LastName { get; set; }
}
public class RootObject
{
public List<Person> People { get; set; }
}
Then, you can simply call JsonConvert
's methods to deserialize the JSON into an object:
RootObject instance = JsonConvert.Deserialize<RootObject>(json);
Then you have Intellisense:
var firstName = instance.People[0].FirstName;
var lastName = instance.People[0].LastName;
You have to update the php.ini config file with in your host provider's server, trust me on this, more than likely there is nothing wrong with your code. It took me almost a month and a half to realize that most hosting servers are not up to date on php.ini files, eg. php 5.5 or later, I believe.
I found that running apache_start in gave me the exact error and on which line it was.
My error was that I left a space in between localhost: and the port.
If you have a collection of objects that you load using stored procedure you can also use LoadFromCollection
.
using (ExcelPackage package = new ExcelPackage(file))
{
ExcelWorksheet worksheet = package.Workbook.Worksheets.Add("test");
worksheet.Cells["A1"].LoadFromCollection(myColl, true, OfficeOpenXml.Table.TableStyles.Medium1);
package.Save();
}
Here is slightly modified version. Changes are noted as code commentary.
BEGIN TRANSACTION
declare @cnt int
declare @test nvarchar(128)
-- variable to hold table name
declare @tableName nvarchar(255)
declare @cmd nvarchar(500)
-- local means the cursor name is private to this code
-- fast_forward enables some speed optimizations
declare Tests cursor local fast_forward for
SELECT COLUMN_NAME, TABLE_NAME
FROM INFORMATION_SCHEMA.COLUMNS
WHERE COLUMN_NAME LIKE 'pct%'
AND TABLE_NAME LIKE 'TestData%'
open Tests
-- Instead of fetching twice, I rather set up no-exit loop
while 1 = 1
BEGIN
-- And then fetch
fetch next from Tests into @test, @tableName
-- And then, if no row is fetched, exit the loop
if @@fetch_status <> 0
begin
break
end
-- Quotename is needed if you ever use special characters
-- in table/column names. Spaces, reserved words etc.
-- Other changes add apostrophes at right places.
set @cmd = N'exec sp_rename '''
+ quotename(@tableName)
+ '.'
+ quotename(@test)
+ N''','''
+ RIGHT(@test,LEN(@test)-3)
+ '_Pct'''
+ N', ''column'''
print @cmd
EXEC sp_executeSQL @cmd
END
close Tests
deallocate Tests
ROLLBACK TRANSACTION
--COMMIT TRANSACTION
In your example number
is a primitive, so will be stored as a value.
If you want to use a reference then you should use one of the wrapper types (e.g. Integer
)
When we try to run python file with path from terminal.
import sys
#For file name
file_name=sys.argv[0]
#For first argument
dir= sys.argv[1]
print("File Name: {}, argument dir: {}".format(file_name, dir)
Save the file (test.py).
Runing system.
Open terminal and go the that dir where is save file. then write
python test.py "/home/saiful/Desktop/bird.jpg"
Hit enter
Output:
File Name: test, Argument dir: /home/saiful/Desktop/bird.jpg
I realize that this is an old thread, but I thought I'd update it with my results.
Alex, it sounds like you installed MySQL server via the meta-package 'mysql-server'. This installs the latest package by reference (in my case, mysql-server-5.5). I, like you, was not prompted for a MySQL password upon setup as I had expected. I suppose there are two answers:
Solution #1: install MySQL by it's full name:
$ sudo apt-get install mysql-server-5.5
Or
Solution #2: reconfigure the package...
$ sudo dpkg-reconfigure mysql-server-5.5
You must specific the full package name. Using the meta-package 'mysql-server' did not have the desired result for me. I hope this helps someone :)
Reference: https://help.ubuntu.com/12.04/serverguide/mysql.html
For i = 0 To dt.Rows.Count - 1
ListV.Items.Add(dt.Rows(i).Item("STU_NUMBER").ToString)
ListV.Items(i).SubItems.Add(dt.Rows(i).Item("FNAME").ToString & " " & dt.Rows(i).Item("MI").ToString & ". " & dt.Rows(i).Item("LNAME").ToString)
ListV.Items(i).SubItems.Add(dt.Rows(i).Item("SEX").ToString)
Next
Assuming employee numbers are in the first column and their names are in the second:
=VLOOKUP(A1, Sheet2!A:B, 2,false)
worked for me to use manual transaction handling for the loop(postgres 9.1):
from django.db import transaction
with transaction.commit_on_success():
for item in items:
MyModel.objects.create(name=item.name)
in fact it's not the same, as 'native' database bulk insert, but it allows you to avoid/descrease transport/orms operations/sql query analyse costs
Now the answer for your question is yes, it will just work by copying the standard snippet. According to documentation, now the standard snippet has automatic cookie domain configuration: ga('create', 'UA-XXXXX-Y', 'auto');
where cookie domain is automatically determined.
In addition, if analytics.js detects that you're running a server locally (e.g. localhost) it automatically sets the cookieDomain to 'none'.
Use mysql row instead
mysql_fetch_row($r)
Meanwhile consider using mysqli or PDO
?>
Well, you can achieve that with Jackson, too. (and it seems to be more comfortable since you were considering using jackson).
Use ObjectMapper
's convertValue
method:
final ObjectMapper mapper = new ObjectMapper(); // jackson's objectmapper
final MyPojo pojo = mapper.convertValue(map, MyPojo.class);
No need to convert into JSON string or something else; direct conversion does much faster.
Following method merges two pdfs( f1 and f2) using iTextSharp. The second pdf is appended after a specific index of f1.
string f1 = "D:\\a.pdf";
string f2 = "D:\\Iso.pdf";
string outfile = "D:\\c.pdf";
appendPagesFromPdf(f1, f2, outfile, 3);
public static void appendPagesFromPdf(String f1,string f2, String destinationFile, int startingindex)
{
PdfReader p1 = new PdfReader(f1);
PdfReader p2 = new PdfReader(f2);
int l1 = p1.NumberOfPages, l2 = p2.NumberOfPages;
//Create our destination file
using (FileStream fs = new FileStream(destinationFile, FileMode.Create, FileAccess.Write, FileShare.None))
{
Document doc = new Document();
PdfWriter w = PdfWriter.GetInstance(doc, fs);
doc.Open();
for (int page = 1; page <= startingindex; page++)
{
doc.NewPage();
w.DirectContent.AddTemplate(w.GetImportedPage(p1, page), 0, 0);
//Used to pull individual pages from our source
}// copied pages from first pdf till startingIndex
for (int i = 1; i <= l2;i++)
{
doc.NewPage();
w.DirectContent.AddTemplate(w.GetImportedPage(p2, i), 0, 0);
}// merges second pdf after startingIndex
for (int i = startingindex+1; i <= l1;i++)
{
doc.NewPage();
w.DirectContent.AddTemplate(w.GetImportedPage(p1, i), 0, 0);
}// continuing from where we left in pdf1
doc.Close();
p1.Close();
p2.Close();
}
}
As noted by others, the official documentation is available here: WhatsApp.com FAQ: Android -> Chats -> How to use click to chat. The documentation states:
Example: https://wa.me/15551234567?text=I'm%20interested%20in%20your%20car%20for%20sale
BUT! Why don't we try copying that into a new tab in your browser and going there right now?
Results: ERROR PAGE NOT FOUND.
What gives???
Fix it easily by using one of THESE format:
https://api.whatsapp.com/send?text=YourShareTextHere
https://api.whatsapp.com/send?text=YourShareTextHere&phone=123
No wa.me domain in this URL!
Most of the time its happen with not insert proper valid OAuth redirect URL in the product section of the FB dashboard.I suggest follow my bellow steps
01.Check the basic setting of the app is okay with bellow picture with you
02.check whether you have add a product
If not you can easily add log in product by clicking + sine as I show in the bellow.
If Yes just got to inside of the product setting.
03.The check whether you have provide valid OAuth redirect URL
Its simple mean what should after login.It is not other than that your call back URl.You can see in my bellow picture I have added several redirect URLs.
Above solutions did not work for me with latest select2 (4.0.13)
With jQuery you can use this solution to retrieve value according to documentation: https://select2.org/programmatic-control/retrieving-selections
$('#first').find(':selected').val();
I want to extend @Jan answer:
It's seems, that Task Scheduler 1.0 API
uses C:\Windows\Tasks
folder for create and enumerate tasks (this example), while Task Scheduler 2.0 API
uses C:\Windows\System32\Tasks
to create and enumerate tasks (this example).
It's also seems, that windows console utility schtasks
and GUI utility taskschd.msc
uses Task Scheduler 2.0 API
.
P.S.
I found, that if task placed in C:\Windows\Tasks
and have not set AccountInformation
, then task won't be displayed in windows console and GUI schedulers. If you set AccountInformation
(even "" for SYSTEM account) and set flag TASK_FLAG_RUN_ONLY_IF_LOGGED_ON
- task will be displayed in all standard applications.
This solution will take a character vector of package names and attempt to load them, or install them if loading fails. It relies on the return behaviour of require
to do this because...
require
returns (invisibly) a logical indicating whether the required package is available
Therefore we can simply see if we were able to load the required package and if not, install it with dependencies. So given a character vector of packages you wish to load...
foo <- function(x){
for( i in x ){
# require returns TRUE invisibly if it was able to load package
if( ! require( i , character.only = TRUE ) ){
# If package was not able to be loaded then re-install
install.packages( i , dependencies = TRUE )
# Load package after installing
require( i , character.only = TRUE )
}
}
}
# Then try/install packages...
foo( c("ggplot2" , "reshape2" , "data.table" ) )
That's a half-open interval.
[a,b]
includes the end points.(a,b)
excludes them.In your case the end-point at the start of the interval is included, but the end is excluded. So it means the interval "first1 <= x < last1".
Half-open intervals are useful in programming because they correspond to the common idiom for looping:
for (int i = 0; i < n; ++i) { ... }
Here i is in the range [0, n).
I know this question has far too many answers already, but none of them met my exact requirements.
I wanted a function that has the exact opposite behavior of parentNode.insertBefore
- that is, it must accept a null referenceNode
(which the accepted answer does not) and where insertBefore
would insert at the end of the children this one must insert at the start, since otherwise there'd be no way to insert at the start location with this function at all; the same reason insertBefore
inserts at the end.
Since a null referenceNode
requires you to locate the parent, we need to know the parent - insertBefore
is a method of the parentNode
, so it has access to the parent that way; our function doesn't, so we'll need to pass the parent as a parameter.
The resulting function looks like this:
function insertAfter(parentNode, newNode, referenceNode) {
parentNode.insertBefore(
newNode,
referenceNode ? referenceNode.nextSibling : parentNode.firstChild
);
}
Or (if you must, I don't recommend it) you can of course enhance the Node
prototype:
if (! Node.prototype.insertAfter) {
Node.prototype.insertAfter = function(newNode, referenceNode) {
this.insertBefore(
newNode,
referenceNode ? referenceNode.nextSibling : this.firstChild
);
};
}
This problem started when I upgraded to .NET Core 1.1.0
Solved by adding the following dependency to the project.json of the test project:
"Microsoft.DotNet.InternalAbstractions": "1.0.500-preview2-1-003177"
useHistory
hook:If you have React >= 16.8
and functional components you can use the useHistory
hook from react-router.
import React from 'react';
import { useHistory } from 'react-router-dom';
const YourComponent = () => {
const history = useHistory();
const handleClick = () => {
history.push("/path/to/push");
}
return (
<div>
<button onClick={handleClick} type="button" />
</div>
);
}
export default YourComponent;
withRouter
HOC:As @ambar mentioned in the comments, React-router has changed their code base since their V4. Here are the documentations - official, withRouter
import React, { Component } from 'react';
import { withRouter } from "react-router-dom";
class YourComponent extends Component {
handleClick = () => {
this.props.history.push("path/to/push");
}
render() {
return (
<div>
<button onClick={this.handleClick} type="button">
</div>
);
};
}
export default withRouter(YourComponent);
browserHistory
You can achieve this functionality using react-router BrowserHistory
. Code below:
import React, { Component } from 'react';
import { browserHistory } from 'react-router';
export default class YourComponent extends Component {
handleClick = () => {
browserHistory.push('/login');
};
render() {
return (
<div>
<button onClick={this.handleClick} type="button">
</div>
);
};
}
connected-react-router
If you have connected your component with redux, and have configured connected-react-router all you have to do is
this.props.history.push("/new/url");
ie, you don't need withRouter
HOC to inject history
to the component props.
// reducers.js
import { combineReducers } from 'redux';
import { connectRouter } from 'connected-react-router';
export default (history) => combineReducers({
router: connectRouter(history),
... // rest of your reducers
});
// configureStore.js
import { createBrowserHistory } from 'history';
import { applyMiddleware, compose, createStore } from 'redux';
import { routerMiddleware } from 'connected-react-router';
import createRootReducer from './reducers';
...
export const history = createBrowserHistory();
export default function configureStore(preloadedState) {
const store = createStore(
createRootReducer(history), // root reducer with router state
preloadedState,
compose(
applyMiddleware(
routerMiddleware(history), // for dispatching history actions
// ... other middlewares ...
),
),
);
return store;
}
// set up other redux requirements like for eg. in index.js
import { Provider } from 'react-redux';
import { Route, Switch } from 'react-router';
import { ConnectedRouter } from 'connected-react-router';
import configureStore, { history } from './configureStore';
...
const store = configureStore(/* provide initial state if any */)
ReactDOM.render(
<Provider store={store}>
<ConnectedRouter history={history}>
<> { /* your usual react-router v4/v5 routing */ }
<Switch>
<Route exact path="/yourPath" component={YourComponent} />
</Switch>
</>
</ConnectedRouter>
</Provider>,
document.getElementById('root')
);
// YourComponent.js
import React, { Component } from 'react';
import { connect } from 'react-redux';
...
class YourComponent extends Component {
handleClick = () => {
this.props.history.push("path/to/push");
}
render() {
return (
<div>
<button onClick={this.handleClick} type="button">
</div>
);
}
};
}
export default connect(mapStateToProps = {}, mapDispatchToProps = {})(YourComponent);
On Bootstrap 4.0, we have to declare the table rows as flex-boxes by adding class d-flex, and also drop xs, md, suffixes to allow Bootstrap to automatically derive it from the viewport.
So it will look following:
<table class="table">
<thead>
<tr class="d-flex">
<th class="col-2"> Student No. </th>
<th class="col-7"> Description </th>
<th class="col-3"> Amount </th>
</tr>
</thead>
<tbody>
<tr class="d-flex">
<td class="col-2">test</td>
<td class="col-7">Name here</td>
<td class="col-3">Amount Here </td>
</tr>
</tbody>
</table>
Hope this will be helpful to someone else out there!
Cheers!
You should put it into a function like this:
public static int toInt(byte[] bytes, int offset) {
int ret = 0;
for (int i=0; i<4 && i+offset<bytes.length; i++) {
ret <<= 8;
ret |= (int)bytes[i] & 0xFF;
}
return ret;
}
Example:
byte[] bytes = new byte[]{-2, -4, -8, -16};
System.out.println(Integer.toBinaryString(toInt(bytes, 0)));
Output:
11111110111111001111100011110000
This takes care of running out of bytes and correctly handling negative byte values.
I'm unaware of a standard function for doing this.
Issues to consider:
Endianness: different CPU architectures put the bytes that make up an int in different orders. Depending on how you come up with the byte array to begin with you may have to worry about this; and
Buffering: if you grab 1024 bytes at a time and start a sequence at element 1022 you will hit the end of the buffer before you get 4 bytes. It's probably better to use some form of buffered input stream that does the buffered automatically so you can just use readByte()
repeatedly and not worry about it otherwise;
Trailing Buffer: the end of the input may be an uneven number of bytes (not a multiple of 4 specifically) depending on the source. But if you create the input to begin with and being a multiple of 4 is "guaranteed" (or at least a precondition) you may not need to concern yourself with it.
to further elaborate on the point of buffering, consider the BufferedInputStream
:
InputStream in = new BufferedInputStream(new FileInputStream(file), 1024);
Now you have an InputStream
that automatically buffers 1024 bytes at a time, which is a lot less awkward to deal with. This way you can happily read 4 bytes at a time and not worry about too much I/O.
Secondly you can also use DataInputStream
:
InputStream in = new DataInputStream(new BufferedInputStream(
new FileInputStream(file), 1024));
byte b = in.readByte();
or even:
int i = in.readInt();
and not worry about constructing int
s at all.
I created an extension method to the ObservableCollection
public static void MySort<TSource,TKey>(this ObservableCollection<TSource> observableCollection, Func<TSource, TKey> keySelector)
{
var a = observableCollection.OrderBy(keySelector).ToList();
observableCollection.Clear();
foreach(var b in a)
{
observableCollection.Add(b);
}
}
It seems to work and you don't need to implement IComparable
They are hint to the compiler to emit instructions that will cause branch prediction to favour the "likely" side of a jump instruction. This can be a big win, if the prediction is correct it means that the jump instruction is basically free and will take zero cycles. On the other hand if the prediction is wrong, then it means the processor pipeline needs to be flushed and it can cost several cycles. So long as the prediction is correct most of the time, this will tend to be good for performance.
Like all such performance optimisations you should only do it after extensive profiling to ensure the code really is in a bottleneck, and probably given the micro nature, that it is being run in a tight loop. Generally the Linux developers are pretty experienced so I would imagine they would have done that. They don't really care too much about portability as they only target gcc, and they have a very close idea of the assembly they want it to generate.
This is a example for get the url image, escape the p tag from some item.
Try this:
$('#img').attr('src').split('<p>')[1].split('</p>')[0]
Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTRACT.
If you just want the bitmap, This too works
InputStream inputStream = mContext.getContentResolver().openInputStream(uri);
Bitmap bmp = BitmapFactory.decodeStream(inputStream);
if( inputStream != null ) inputStream.close();
sample uri : content://media/external/images/media/12345
The other answer is very complete, but here is a rule of thumb:
call
is blocking:
call('notepad.exe')
print('hello') # only executed when notepad is closed
Popen
is non-blocking:
Popen('notepad.exe')
print('hello') # immediately executed
Pidfile contains pid of a process. It is a convention allowing long running processes to be more self-aware. Server process can inspect it to stop itself, or have heuristic that its other instance is already running. Pidfiles can also be used to conventiently kill risk manually, e.g. pkill -F <some.pid>
More than code in C, I think that an english definition could be enough:
Given a class Base of which there is a derived class Derived, dynamic_cast
will convert a Base pointer to a Derived pointer if and only if the actual object pointed at is in fact a Derived object.
class Base { virtual ~Base() {} };
class Derived : public Base {};
class Derived2 : public Base {};
class ReDerived : public Derived {};
void test( Base & base )
{
dynamic_cast<Derived&>(base);
}
int main() {
Base b;
Derived d;
Derived2 d2;
ReDerived rd;
test( b ); // throw: b is not a Derived object
test( d ); // ok
test( d2 ); // throw: d2 is not a Derived object
test( rd ); // ok: rd is a ReDerived, and thus a derived object
}
In the example, the call to test
binds different objects to a reference to Base
. Internally the reference is downcasted to a reference to Derived
in a typesafe way: the downcast will succeed only for those cases where the referenced object is indeed an instance of Derived
.
There isn't one.
I use underscores all the time, due to hyphens messing up the syntax highlighting of my text editor (Gedit), but that's personal preference.
I've seen all these conventions used all over the place. Use the one that you think is best - the one that looks nicest/easiest to read for you, as well as easiest to type because you'll be using it a lot. For example, if you've got your underscore key on the underside of the keyboard (unlikely, but entirely possible), then stick to hyphens. Just go with what is best for yourself. Additionally, all 3 of these conventions are easily readable. If you're working in a team, remember to keep with the team-specified convention (if any).
Update 2012
I've changed how I program over time. I now use camel case (thisIsASelector
) instead of hyphens now; I find the latter rather ugly. Use whatever you prefer, which may easily change over time.
Update 2013
It looks like I like to mix things up yearly... After switching to Sublime Text and using Bootstrap for a while, I've gone back to dashes. To me now they look a lot cleaner than un_der_scores or camelCase. My original point still stands though: there isn't a standard.
Update 2015
An interesting corner case with conventions here is Rust. I really like the language, but the compiler will warn you if you define stuff using anything other than underscore_case
. You can turn the warning off, but it's interesting the compiler strongly suggests a convention by default. I imagine in larger projects it leads to cleaner code which is no bad thing.
Update 2016 (you asked for it)
I've adopted the BEM standard for my projects going forward. The class names end up being quite verbose, but I think it gives good structure and reusability to the classes and CSS that goes with them. I suppose BEM is actually a standard (so my no
becomes a yes
perhaps) but it's still up to you what you decide to use in a project. Most importantly: be consistent with what you choose.
Update 2019 (you asked for it)
After writing no CSS for quite a while, I started working at a place that uses OOCSS in one of their products. I personally find it pretty unpleasant to litter classes everywhere, but not having to jump between HTML and CSS all the time feels quite productive.
I'm still settled on BEM, though. It's verbose, but the namespacing makes working with it in React components very natural. It's also great for selecting specific elements when browser testing.
OOCSS and BEM are just some of the CSS standards out there. Pick one that works for you - they're all full of compromises because CSS just isn't that good.
Update 2020
A boring update this year. I'm still using BEM. My position hasn't really changed from the 2019 update for the reasons listed above. Use what works for you that scales with your team size and hides as much or as little of CSS' poor featureset as you like.
asort()
- Maintains key association: yes.
sort()
- Maintains key association: no.
If the suggested solutions above didn't solve your issue (as for me), this could also help:
My problem was that I was returning a json string in my response using Springs @ResponseBody
. If you're doing this as well this might help.
Add the following bean to your dispatcher servlet.
<bean
class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<bean
class="org.springframework.http.converter.StringHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/plain;charset=UTF-8</value>
</list>
</property>
</bean>
</list>
</property>
</bean>
(Found here: http://forum.spring.io/forum/spring-projects/web/74209-responsebody-and-utf-8)
If you really want to match only the dot, then StringComparison.Ordinal
would be fastest, as there is no case-difference.
"Ordinal" doesn't use culture and/or casing rules that are not applicable anyway on a symbol like a .
.
Instance of keyword is helpful when you want to know particular object's instance .
Suppose you are throw exception and when you have catch then perform sum custom operation and then again continue as per your logic (throws or log etc)
Example : 1) User created custom exception "InvalidExtensionsException" and throw it as per logic
2) Now in catch block catch (Exception e) { perform sum logic if exception type is "InvalidExtensionsException"
InvalidExtensionsException InvalidException =(InvalidExtensionsException)e;
3) If you are not checking instance of and exception type is Null pointer exception your code will break.
So your logic should be inside of instance of if (e instanceof InvalidExtensionsException){ InvalidExtensionsException InvalidException =(InvalidExtensionsException)e; }
Above example is wrong coding practice However this example is help you to understand use of instance of it.
If you don't have an array but you are trying to use your observable like an array even though it's a stream of objects, this won't work natively. I show how to fix this below assuming you only care about adding objects to the observable, not deleting them.
If you are trying to use an observable whose source is of type BehaviorSubject, change it to ReplaySubject then in your component subscribe to it like this:
this.messages$ = this.chatService.messages$.pipe(scan((acc, val) => [...acc, val], []));
<div class="message-list" *ngFor="let item of messages$ | async">
These one-line commands have been tested on Windows XP, Server 2012, 7 and 10 (thank you Mad Tom Vane).
x.y
in a cmd
consolefor /f "tokens=4-7 delims=[.] " %i in ('ver') do @(if %i==Version (echo %j.%k) else (echo %i.%j))
x.y.z
for /f "tokens=4-7 delims=[.] " %i in ('ver') do @(if %i==Version (echo %j.%k.%l) else (echo %i.%j.%k))
%%
instead of single %
@echo off
for /f "tokens=4-7 delims=[.] " %%i in ('ver') do (if %%i==Version (set v=%%j.%%k) else (set v=%%i.%%j))
echo %v%
Be aware that the extracted version number does not always corresponds to the Windows name release. See below an extract from the full list of Microsoft Windows versions.
10.0
Windows 10
6.3
Windows Server 2012
6.3
Windows 8.1/!\
6.2
Windows 8/!\
6.1
Windows 7/!\
6.0
Windows Vista
5.2
Windows XP x64
5.1
Windows XP
5.0
Windows 2000
4.10
Windows 98
Please also up-vote answers from Agent Gibbs and peterbh as my answer is inspired from their ideas.
Just add:
namespace System.IO
{
public static class FileInfoExtensions
{
public static void Rename(this FileInfo fileInfo, string newName)
{
fileInfo.MoveTo(Path.Combine(fileInfo.Directory.FullName, newName));
}
}
}
And then...
FileInfo file = new FileInfo("c:\test.txt");
file.Rename("test2.txt");
I was getting this same error after previously being able to complete similar operations. I didn't try downloading any of the mentioned packages since I didn't have them previously and things were working. IT at my job did a 'Repair' on Microsoft Office 2013 (Control Panel > Programs > Add/Remove - Select Change then Repair). Took a few minutes to complete but fixed everything.
Here I am going to export 3 tables from database named myDB in an sql file named table.sql
mysqldump -u root -p myDB table1 table2 table3 > table.sql
As Hiren stated, you'll need a file explorer to see your directory. If you're rooted I highly suggest root explorer, otherwise ES File Explorer is a good choice.
I didn't want to have so many lines of code just to play a simple damn sound. This can work if you have the JavaFX package (already included in my jdk 8).
private static void playSound(String sound){
// cl is the ClassLoader for the current class, ie. CurrentClass.class.getClassLoader();
URL file = cl.getResource(sound);
final Media media = new Media(file.toString());
final MediaPlayer mediaPlayer = new MediaPlayer(media);
mediaPlayer.play();
}
Notice : You need to initialize JavaFX. A quick way to do that, is to call the constructor of JFXPanel() once in your app :
static{
JFXPanel fxPanel = new JFXPanel();
}
The above suggestion of Ctrl
+Shift
+-
code folds all code blocks recursively. I only wanted to fold the methods for my classes.
Code
> Folding
> Expand all to level
> 1
I managed to achieve this by using the menu option Code > Folding > Expand all to level > 1
.
I re-assigned it to Ctrl
+NumPad-1
which gives me a quick way to collapse my classes down to their methods.
This works at the 'block level' of the file and assumes that you have classes defined at the top level of your file, which works for code such as PHP but not for JavaScript (nested closures etc.)
I like jQuery Token input. Actually prefer the UI over some of the other options mentioned above.
http://loopj.com/jquery-tokeninput/
Also see: http://railscasts.com/episodes/258-token-fields for an explanation
I've had this same problem for a while as I generate a fair number of ad-hoc reports from SQL Server and copy/paste them into Excel. I would also welcome a proper solution but my temporary workaround was to create a default macro in Excel which converts highlighted cells to Excel's datetime format, and assigned it to a hotkey (Shift-Ctrl-D in my case). So I open Excel, copy/paste from SSMS into a new Excel worksheet, highlight the column to convert and press Shift-Ctrl-D. Job done.
Try
<?php
//gives you the IP address of the visitors
if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];}
else if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} else {
$ip = $_SERVER['REMOTE_ADDR'];
}
//return the country code
$url = "http://api.wipmania.com/$ip";
$country = file_get_contents($url);
echo $country;
?>
Please rather try:
$JAVA_HOME/bin/java -version
Maven uses $JAVA_HOME
for classpath resolution of JRE libs.
To be sure to use a certain JDK, set it explicitly before compiling, for example:
export JAVA_HOME=/usr/java/jdk1.7.0_51
Isn't there a version < 1.7 and you're using Maven 3.3.1? In this case the reason is a new prerequisite: https://issues.apache.org/jira/browse/MNG-5780
To save as data:
From StoryBoard, if you want to save "image" data on the imageView of MainStoryBoard, following codes will work.
let image = UIImagePNGRepresentation(imageView.image!) as NSData?
To load "image" to imageView: Look at exclamation point "!", "?" closely whether that is quite same as this one.
imageView.image = UIImage(data: image as! Data)
"NSData" type is converted into "Data" type automatically during this process.
We had a similar situation, but in our case Infosec agreed to allow any to 1, so we didnt had to fix the slave port, rather fixing the master to high level JNLP port 49187 worked ("Configure Global Security" -> "TCP port for JNLP slave agents").
TCP
49187 - Fixed jnlp port
8080 - jenkins http port
Other ports needed to launch slave as a windows service
TCP
135
139
445
UDP
137
138
Here is the boolean based styling in JSX syntax:
style={{display: this.state.isShowing ? "inherit" : "none"}}
You can also open a required file through a prompt, This helps when you want to select file from different path and different file.
Sub openwb()
Dim wkbk As Workbook
Dim NewFile As Variant
NewFile = Application.GetOpenFilename("microsoft excel files (*.xlsm*), *.xlsm*")
If NewFile <> False Then
Set wkbk = Workbooks.Open(NewFile)
End If
End Sub
use background size: cover property . it will be full screen .
body{
background-size: cover;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
}
REST is just a software architecture style for exposing resources.
A typical REST call to return information about customer 34456 could look like:
http://example.com/customer/34456
Have a look at the IBM tutorial for REST web services
If you are using Java 8 Do it as below
import static java.lang.Math.toIntExact;
public class DateFormatSampleCode {
public static void main(String[] args) {
long longValue = 1223321L;
int longTointValue = toIntExact(longValue);
System.out.println(longTointValue);
}
}
maybe you have code like this before the jquery:
var $jq=jQuery.noConflict();
$jq('ul.menu').lavaLamp({
fx: "backout",
speed: 700
});
and them was Conflict
you can change $ to (jQuery)
you can also quote string
''+document.location+''.substring(2,3);
Perhaps this complementary example of "match" would be helpful.
Having two datasets:
first_dataset <- data.frame(name = c("John", "Luke", "Simon", "Gregory", "Mary"),
role = c("Audit", "HR", "Accountant", "Mechanic", "Engineer"))
second_dataset <- data.frame(name = c("Mary", "Gregory", "Luke", "Simon"))
If the name column contains only unique across collection values (across whole collection) then you can access row in other dataset by value of index returned by match
name_mapping <- match(second_dataset$name, first_dataset$name)
match returns proper row indexes of names in first_dataset from given names from second: 5 4 2 1
example here - accesing roles from first dataset by row index (by given name value)
for(i in 1:length(name_mapping)) {
role <- as.character(first_dataset$role[name_mapping[i]])
second_dataset$role[i] = role
}
===
second dataset with new column:
name role
1 Mary Engineer
2 Gregory Mechanic
3 Luke Supervisor
4 Simon Accountant
I was helped by a method with a function check. This method works in IE8
if(typeof e.preventDefault == 'function'){
e.preventDefault();
} else {
e.returnValue = false;
}
I just had the same issue in my code today and tried which worked like a charm.
.Replace("\r\n")
Your function worked for me after changing its declaration to this ...
Function processArr(Arr As Variant) As String
You could also consider a ParamArray
like this ...
Function processArr(ParamArray Arr() As Variant) As String
'Dim N As Variant
Dim N As Long
Dim finalStr As String
For N = LBound(Arr) To UBound(Arr)
finalStr = finalStr & Arr(N)
Next N
processArr = finalStr
End Function
And then call the function like this ...
processArr("foo", "bar")
fist get the certificate from the provider
create a file ends wirth .cer and pase the certificate
copy the text file or past it somewhere you can access it
then use the cmd prompt as an admin and cd to the bin of the jdk,
the cammand that will be used is the: keytool
change the password of the keystore with :
keytool -storepasswd -keystore "path of the key store from c\ and down"
the password is : changeit
then you will be asked to enter the new password twice
then type the following :
keytool -importcert -file "C:\Program Files\Java\jdk-13.0.2\lib\security\certificateFile.cer" -alias chooseAname -keystore "C:\Program Files\Java\jdk-13.0.2\lib\security\cacerts"
If you're using a graphical tool. It shows you the schema right next to the table name. In case of DB Browser For Sqlite, click to open the database(top right corner), navigate and open your database, you'll see the information populated in the table as below.
right click on the record/table_name, click on copy create statement and there you have it.
Hope it helped some beginner who failed to work with the commandline.
I would use a decimal with the proper precision for your data.
I think you can use prtdiag or prtconf on many UNIXs
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.Transformation;
public class HeightAnimation extends Animation {
protected final int originalHeight;
protected final View view;
protected float perValue;
public HeightAnimation(View view, int fromHeight, int toHeight) {
this.view = view;
this.originalHeight = fromHeight;
this.perValue = (toHeight - fromHeight);
}
@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {
view.getLayoutParams().height = (int) (originalHeight + perValue * interpolatedTime);
view.requestLayout();
}
@Override
public boolean willChangeBounds() {
return true;
}
}
uss to:
HeightAnimation heightAnim = new HeightAnimation(view, view.getHeight(), viewPager.getHeight() - otherView.getHeight());
heightAnim.setDuration(1000);
view.startAnimation(heightAnim);
You could use AJAX to send a POST request if you don't want forms.
Using jquery $.post method it is pretty simple:
$.post('/foo.php', { key1: 'value1', key2: 'value2' }, function(result) {
alert('successfully posted key1=value1&key2=value2 to foo.php');
});
In case you need to repeat an array several times:
var arrayA = ['a','b','c'];
var repeats = 3;
var arrayB = Array.apply(null, {length: repeats * arrayA.length})
.map(function(e,i){return arrayA[i % arrayA.length]});
// result: arrayB = ['a','b','c','a','b','c','a','b','c']
inspired by this answer
The compiler only knows that the code is or isn't reachable if you use "return". Think of Environment.Exit() as a function that you call, and the compiler don't know that it will close the application.
If you want to create and submit your form from Javascript as is in your question and you want to create popup window with custom features I propose this solution (I put comments above the lines i added):
var form = document.createElement("form");
form.setAttribute("method", "post");
form.setAttribute("action", "test.jsp");
// setting form target to a window named 'formresult'
form.setAttribute("target", "formresult");
var hiddenField = document.createElement("input");
hiddenField.setAttribute("name", "id");
hiddenField.setAttribute("value", "bob");
form.appendChild(hiddenField);
document.body.appendChild(form);
// creating the 'formresult' window with custom features prior to submitting the form
window.open('test.html', 'formresult', 'scrollbars=no,menubar=no,height=600,width=800,resizable=yes,toolbar=no,status=no');
form.submit();
I got it resolved by doing Repir on .NET framework Extended, in Add/Remove program ;
Using win2008R2, .NET framework 4.0
git push origin --delete origin/test
should work as well
It is now this For swift 3,
let button = (sender as AnyObject)
button.setTitle("Your text", for: .normal)
(The constant declaration of the variable is not necessary just make sure you use the sender from the button like this) :
(sender as AnyObject).setTitle("Your text", for: .normal)
Remember this is used inside the IBAction of your button.
Download this Sqlite manager its the easiest one to use Sqlite manager
and drag and drop your fetched file on its running instance
only drawback of this Sqlite Manager it stop responding if you run some SQL statement that has Syntax Error in it.
So i Use Firefox Plugin Side by side also which you can find at FireFox addons
When I had this problem I've done it from command line:
zip file.zip uncompressed
EDIT, after many downvotes: I was using this option for some time ago and I don't know where I learnt it, so I can't give you a better explanation. Chris Johnson's answer is correct, but I won't delete mine. As one comment says, it's more accurate to what OP is asking, as it compress without those files, instead of removing them from a compressed file. I find it easier to remember, too.
One can simply use the pydoc.locate
function.
from pydoc import locate
my_class = locate("module.submodule.myclass")
instance = my_class()
The Connector 6.7.x does not integrate the native data provider anymore. For "Visual Studio 2012" or less, you have to install "MySQL for Visual Studio". If you are using "Visual Studio 2013" there is no possibility to integrate MySQL for the "Entity Framework" yet. A solution should be available on 10/2013!
It will return an empty enumerable. It wont be null. You can sleep sound :)
If you need a lot of decimal numbers, in this example 17, I share with you MySql code:
This is the calculate:
=(9/1147)*100
SELECT TRUNCATE(((CAST(9 AS DECIMAL(30,20))/1147)*100),17);
I had this problem where my SQL server rounds up 0.5 to 1 while my C# application didn't. So you would see two different results.
Here's an implementation with int/long. This is how Java rounds.
int roundedNumber = (int)Math.Floor(d + 0.5);
It's probably the most efficient method you could think of as well.
If you want to keep it a double and use decimal precision , then it's really just a matter of using exponents of 10 based on how many decimal places.
public double getRounding(double number, int decimalPoints)
{
double decimalPowerOfTen = Math.Pow(10, decimalPoints);
return Math.Floor(number * decimalPowerOfTen + 0.5)/ decimalPowerOfTen;
}
You can input a negative decimal for decimal points and it's word fine as well.
getRounding(239, -2) = 200
I think concat
is a nice way to do this. If they are present it uses the name attributes of the Series as the columns (otherwise it simply numbers them):
In [1]: s1 = pd.Series([1, 2], index=['A', 'B'], name='s1')
In [2]: s2 = pd.Series([3, 4], index=['A', 'B'], name='s2')
In [3]: pd.concat([s1, s2], axis=1)
Out[3]:
s1 s2
A 1 3
B 2 4
In [4]: pd.concat([s1, s2], axis=1).reset_index()
Out[4]:
index s1 s2
0 A 1 3
1 B 2 4
Note: This extends to more than 2 Series.
LLVM (used to mean "Low Level Virtual Machine" but not anymore) is a compiler infrastructure, written in C++, which is designed for compile-time, link-time, run-time, and "idle-time" optimization of programs written in arbitrary programming languages. Originally implemented for C/C++, the language-independent design (and the success) of LLVM has since spawned a wide variety of front-ends, including Objective C, Fortran, Ada, Haskell, Java bytecode, Python, Ruby, ActionScript, GLSL, and others.
Read this for more explanation
Also check out Unladen Swallow
The easiest way that I found for adding a column to a DataFrame was to use the "add" function. Here's a snippet of code, also with the output to a CSV file. Note that including the "columns" argument allows you to set the name of the column (which happens to be the same as the name of the np.array that I used as the source of the data).
# now to create a PANDAS data frame
df = pd.DataFrame(data = FF_maxRSSBasal, columns=['FF_maxRSSBasal'])
# from here on, we use the trick of creating a new dataframe and then "add"ing it
df2 = pd.DataFrame(data = FF_maxRSSPrism, columns=['FF_maxRSSPrism'])
df = df.add( df2, fill_value=0 )
df2 = pd.DataFrame(data = FF_maxRSSPyramidal, columns=['FF_maxRSSPyramidal'])
df = df.add( df2, fill_value=0 )
df2 = pd.DataFrame(data = deltaFF_strainE22, columns=['deltaFF_strainE22'])
df = df.add( df2, fill_value=0 )
df2 = pd.DataFrame(data = scaled, columns=['scaled'])
df = df.add( df2, fill_value=0 )
df2 = pd.DataFrame(data = deltaFF_orientation, columns=['deltaFF_orientation'])
df = df.add( df2, fill_value=0 )
#print(df)
df.to_csv('FF_data_frame.csv')
Controlling the order of tabbing (pressing the tab key to move focus) within the page.
Reference: http://www.w3.org/TR/html401/interact/forms.html#h-17.11.1
Everywhere inside the query string, the wildcard should be ?
instead of '?'
. That should solve the problem.
EDIT :
To add to that, you need to change date '?'
to to_date(?, 'yyyy-mm-dd')
. Please try that and let me know.
Eloquent uses the query builder internally, so you can do:
$users = User::orderBy('name', 'desc')
->groupBy('count')
->having('count', '>', 100)
->get();