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How do getters and setters work?
...yClass {
private $firstField;
private $secondField;
public function __get($property) {
if (property_exists($this, $property)) {
return $this->$property;
}
}
public function __set($property, $value) {
if (property_exists($this, $property)) {
$this->$property ...
Download a file by jQuery.Ajax
...ence is when a file download occurs.
I created jQuery File Download which allows for an "Ajax like" experience with file downloads complete with OnSuccess and OnFailure callbacks to provide for a better user experience. Take a look at my blog post on the common problem that the plugin solves and so...
How do you install Google frameworks (Play, Accounts, etc.) on a Genymotion virtual device? [duplica
...RM Support to Genymotion v2.0+ #
Original Source: [GUIDE] Genymotion | Installing ARM Translation and GApps - XDA-Developers
Note(Feb 2nd): Contrary to previous reports, it's been discovered that Android 4.4 does in fact work with ARM translation, although it is buggy. Follow the steps the same as ...
Where is Java Installed on Mac OS X?
...ownloaded Java 7u17 on Mac OS 10.7.5 from here and then successfully installed it. In order to do some JNI programming, I need to know where Java installed on my Mac.
...
@try - catch block in Objective-C
...
All work perfectly :)
NSString *test = @"test";
unichar a;
int index = 5;
@try {
a = [test characterAtIndex:index];
}
@catch (NSException *exception) {
NSLog(@"%@", exception.reason);
NSLog(@"Char at in...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
...lt;module>
TypeError: unsupported operand type(s) for >>: 'builtin_function_or_method' and '_io.TextIOWrapper'. Did you mean "print(<message>, file=<output_stream>)"?
Since this error is raised when the code runs, rather than when it is compiled, it doesn't have access to the ...
What is the purpose of “return await” in C#?
...n async method behave differently: when combined with using (or, more generally, any return await in a try block).
Consider these two versions of a method:
Task<SomeResult> DoSomethingAsync()
{
using (var foo = new Foo())
{
return foo.DoAnotherThingAsync();
}
}
async Tas...
How can I get useful error messages in PHP?
...ple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely.
43 Answers
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Generating a PNG with matplotlib when DISPLAY is undefined
...
Important note: .use needs to be called before pyplot is imported. So if you are, for instance, just trying to import pyplot, you need to import matplotlib first, call use, and than import pyplot.
– seaotternerd
Nov 8 '1...
Bootstrap with jQuery Validation Plugin
...ks well, except for one thing: Testing against jQuery Validate 1.11.1 and calling resetForm() on a form's validator will not call unhighlight on invalid elements, making it necessary to remove the has-error class by hand when resetting a form. What I do is to call the following function instead of c...