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Variable name as a string in Javascript
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Typically, you would use a hash table for a situation where you want to map a name to some value, and be able to retrieve both.
var obj = { myFirstName: 'John' };
obj.foo = 'Another name';
for(key in obj)
console.log(...
How do I handle the window close event in Tkinter?
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Tkinter supports a mechanism called protocol handlers. Here, the term protocol refers to the interaction between the application and the window manager. The most commonly used protocol is called WM_DELETE_WINDOW, and is used to define what happens when t...
RabbitMQ / AMQP: single queue, multiple consumers for same message?
...me messages? Ie, both consumers get message 1, 2, 3, 4, 5, 6? What is this called in AMQP/RabbitMQ speak? How is it normally configured?
No, not if the consumers are on the same queue. From RabbitMQ's AMQP Concepts guide:
it is important to understand that, in AMQP 0-9-1, messages are load bala...
What is “function*” in JavaScript?
...ered. Their context (variable bindings) will be saved across re-entrances.
Calling a generator function does not execute its body immediately; an iterator object for the function is returned instead. When the iterator's next() method is called, the generator function's body is executed until the fir...
Order of member constructor and destructor calls
...low.com%2fquestions%2f2254263%2forder-of-member-constructor-and-destructor-calls%23new-answer', 'question_page');
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How to set a timer in android
...s a new thread it may be considered heavy,
if all you need is to get is a call back while the activity is running a Handler can be used in conjunction with a
Runnable:
private final int interval = 1000; // 1 Second
private Handler handler = new Handler();
private Runnable runnable = new Runnable...
Get __name__ of calling function's module in Python
...stack information.
Inside a function, inspect.stack()[1] will return your caller's stack. From there, you can get more information about the caller's function name, module, etc.
See the docs for details:
http://docs.python.org/library/inspect.html
Also, Doug Hellmann has a nice writeup of the i...
TargetedPatchingOptOut: “Performance critical to inline across NGen image boundaries”?
...ple:
String.Equals has [TargetedPatchingOptOut]
You write a program that calls String.Equals
You run NGen on this program for maximum performance
NGen will inline the String.Equals call, replacing the method call instruction with the actual code in the method.
Method calls are (slightly) expensive...
is there a post render callback for Angular JS directive?
...is not a result of Angular but rather the browser. $timeout(fn) ultimately calls setTimeout(fn, 0) which has the effect interrupting the Javascript execution and allowing the browser to render the content first, before continuing the execution of that Javascript.
– parliament
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What does an underscore in front of an import statement mean?
...r answers described it completely, for "Show me The Code" people, this basically means: create package-level variables and execute the init function of that package.
And (if any) the hierarchy of package-level variables & init functions of packages that, this package has imported.
The only sid...