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What is the difference between self::$bar and static::$bar in PHP?
...static:: performs Late Static Binding and thus it binds the variable value from child class.
class A { // Base Class
protected static $name = 'ClassA';
public static function getSelfName() {
return self::$name;
}
public static function getStaticName() {
return static:...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
...f these cases. bool is a subclass of int, and inherits most of its methods from int, and True has an internal integer value of 1. So, whether you're doing a while test (__bool__ in 3.x, __nonzero__ in 2.x), a comparison (__eq__), or arithmetic (__add__), you're calling the same method whether you us...
Assert an object is a specific type
...
@Carmageddon The answer from Franlin Yu does work fine if you use hamcrest assertion importing: ``` import static org.hamcrest.CoreMatchers.instanceOf; ``` ss per his code samples. I do admit though I overlooked at Franklin answer and in fact, thes...
MIT vs GPL license [closed]
...ual license, so that's not a problem, but if they "borrowed" some GPL code from somewhere else, they would no longer be able to MIT license the combined work.
– Mark H
Apr 10 '11 at 13:38
...
Argparse: Required arguments listed under “optional arguments”?
...e time, building off of @RalphyZ
This one doesn't break the exposed API.
from argparse import ArgumentParser, SUPPRESS
# Disable default help
parser = ArgumentParser(add_help=False)
required = parser.add_argument_group('required arguments')
optional = parser.add_argument_group('optional arguments'...
Is it possible to rotate a drawable in the xml description?
...mlns:android="http://schemas.android.com/apk/res/android"
android:fromDegrees="90"
android:toDegrees="90"
android:pivotX="50%"
android:pivotY="50%"
android:drawable="@drawable/mainmenu_background">
</rotate>
The fromDegrees is important.
Basically...
How to get error message when ifstream open fails
...owing on @Arne Mertz's answer, as of C++11 std::ios_base::failure inherits from system_error (see http://www.cplusplus.com/reference/ios/ios_base/failure/), which contains both the error code and message that strerror(errno) would return.
std::ifstream f;
// Set exceptions to be thrown on failure
...
Declaration of Methods should be Compatible with Parent Methods in PHP
...
I faced this problem while trying to extend an existing class from GitHub. I'm gonna try to explain myself, first writing the class as I though it should be, and then the class as it is now.
What I though
namespace mycompany\CutreApi;
use mycompany\CutreApi\ClassOfVendor;
class Cutr...
XSD: What is the difference between xs:integer and xs:int?
...s running on infinite machines; all implementations are allowed to benefit from the rules governing partial implementation of the infinite datatypes.
– C. M. Sperberg-McQueen
Jul 29 '16 at 22:17
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Usage of EnsureSuccessStatusCode and handling of HttpRequestException it throws
... agree, the default code missing the feature to get a meaningful message from the return.
– L.T.
Aug 4 '15 at 20:31
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