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How far can memory leaks go?
...freed by the operating system. Network connections, database transactions, etc, not closing them explicitly may cause some undesirable results. Not closing network connection may cause the server to think you're still active for an indefinite period of time, and for servers that limits the number of...
How can I determine if a JavaScript variable is defined in a page? [duplicate]
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To avoid accidental assignment, I make a habit of reversing the order of the conditional expression:
if ('undefined' !== typeof x) {
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...table, similar to mathematical tables of old, using adjustments to the low-order bits to save on transistors.)
The reason why it's available is that it is the initial estimate used by the FPU for the "real" square root algorithm.
There's also an approximate reciprocal instruction, rcp. Both of these...
Scrollview vertical and horizontal in android
... }
return true;
}
});
You can change the order of the scrollviews. Just change their order in layout and in the code. And obviously instead of WateverViewYouWant you put the layout/views you want to scroll both directions.
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Using multiple let-as within a if-statement in Swift
... 3, you can use optional chaining, switch statement or optional pattern in order to solve your problem.
1. Using if let (optional binding / optional chaining)
The Swift Programming Language states about optional chaining:
Multiple queries can be chained together, and the entire chain fails g...
Compiling/Executing a C# Source File in Command Prompt
...h knowledge of some sort of build tool such as NAnt, MSBuild, FinalBuilder etc. These tools provide a complete build environment, not just the basic compiler.
On a Mac
On a Mac, syntax is similar, only C sharp Compiler is just named csc:
$ csc /target:exe /out:MyApplication.exe MyApplication.cs ...
How to check if IEnumerable is null or empty?
...egil meh - I can't get excited about that. As long as the intent is clear, etc.
– Marc Gravell♦
Feb 18 '11 at 22:55
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How do you log server errors on django sites
...hatever type of logging you'd like: writing to console, writing to a file, etc., etc.
Edit: though it's a bit less useful, you can also listen for the got_request_exception signal, which will be sent whenever an exception is encountered during request processing:
http://docs.djangoproject.com/en/d...
How can I color Python logging output?
...ndlers or propagated to other loggers. If you have configured file loggers etc. you probably don't want to have the colors in the log files. To avoid that, it's probably best to simply create a copy of record with copy.copy() before manipulating the levelname attribute, or to reset the levelname to ...
How to use Sphinx's autodoc to document a class's __init__(self) method?
... How do I use this? It seems the method must be named setup(app) in order to be executed by Sphinx.
– oarfish
Aug 16 '18 at 13:46
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