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How do I immediately execute an anonymous function in PHP?
...lternative, the likelihood of this posing a significant bottleneck in your application is very low. when in doubt profile your app under real world conditions.
– Gordon
Jun 21 '13 at 5:44
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Checking for a null int value from a Java ResultSet
...the field value is NULL, I suggest:
int iVal = 0;
ResultSet rs = magicallyAppearingStmt.executeQuery(query);
if (rs.next()) {
iVal = rs.getInt("ID_PARENT");
if (rs.wasNull()) {
// handle NULL field value
}
}
(Edited as @martin comments below; the OP code as written would not c...
Remove a HTML tag but keep the innerHtml
... return this.innerHTML; });
This can make a big difference if you're unwrapping a lot of elements since either approach above is significantly faster than the cost of .unwrap().
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Use “ENTER” key on softkeyboard instead of clicking button
...rActionListener for the EditText element. In your listener, respond to the appropriate IME action ID defined in the EditorInfo class, such as IME_ACTION_SEND. For example:
EditText editText = (EditText) findViewById(R.id.search);
editText.setOnEditorActionListener(new OnEditorActionListener() {
...
Save An Image To Application Documents Folder From UIView On IOS
...:0]; //Get the docs directory
NSString *filePath = [documentsPath stringByAppendingPathComponent:@"image.png"]; //Add the file name
[pngData writeToFile:filePath atomically:YES]; //Write the file
Reading it later works the same way. Build the path like we just did above, then:
NSData *pngData = ...
What is the best project structure for a Python application? [closed]
Imagine that you want to develop a non-trivial end-user desktop (not web) application in Python. What is the best way to structure the project's folder hierarchy?
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How do I use a Boolean in Python?
...ects. they will retain same memory address throughout the lifetime of your app. When you type True, python memory manager will check its address and will pull the value '1'. for False its value is '0'.
Comparisons of any boolean expression to True or False can be performed using either is (identity)...
All Ruby tests raising: undefined method `authenticate' for nil:NilClass
...
It looks like there are some updates to the source code. The ApplicationController specifies that there needs to be an authenticate_user! filter run before any request. This thread provides some background on issues with it:
http://groups.google.com/group/plataformatec-devise/browse_...
JFrame in full screen Java
... set DisplayMode.BIT_DEPTH_MULTI and DisplayMode.REFRESH_RATE_UNKNOWN when applying a new display mode. I didn't have to use setExtendedState. Tested working using Kubuntu 15.10 with Java 8.
– code_dredd
Jan 16 '16 at 20:54
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How do I set vertical space between list items?
...from using certain services. Isn't the point of the "web platform" to make apps and services platform-independent, as in not block specific platforms? If you wanna do that, why not make native programs instead? In the end, they're more powerful.
– Andreas
Jan 2...