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How do I do an OR filter in a Django query?
...item.moderated = False)
(edit - I was initially unsure if this caused an extra query but @spookylukey pointed out that lazy queryset evaluation takes care of that)
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What are the lesser known but useful data structures?
... tries are also an interesting variant, where you use only a prefix of the strings as nodes and otherwise store lists of strings in the nodes.
– Torsten Marek
Feb 1 '09 at 19:16
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nodejs how to read keystrokes from stdin
...nswer since this capability was stripped from tty, here's how to get a raw character stream from stdin:
var stdin = process.stdin;
// without this, we would only get streams once enter is pressed
stdin.setRawMode( true );
// resume stdin in the parent process (node app won't quit all by itself
//...
Should a return statement be inside or outside a lock?
...e of the try/finally - however, the return outside the lock still requires extra locals which can't be optimised away - and takes more code...
– Marc Gravell♦
Nov 5 '08 at 21:18
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How do I grep for all non-ASCII characters?
...ry large XML files and I'm trying to find the lines that contain non-ASCII characters. I've tried the following:
11 Answers...
Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti
...cute, just for the purpose of suppressing a warning - this one doesn't add extra ticks at all and IMO is more readable: [MethodImpl(MethodImplOptions.AggressiveInlining)] void Forget(this Task @this) { } /* ... */ obj.WorkAsync().Forget();
– noseratio
Jun 9 '17...
Breakpoint on property change
... Best solution for anyone trying to debug from dev console. No extra effort to reuse on any website, awesome!
– Chris Hayes
Jul 29 at 21:16
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How to get object size in memory? [duplicate]
...(in C#). for example how much my Hashtable , or SortedList , or List<String> .
6 Answers
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Strings in a DataFrame, but dtype is object
...ll me that I have objects, although every item in the selected column is a string — even after explicit conversion.
4 Ans...
Is there a way to change the environment variables of another process in Unix?
...ocesses.
Suppose that you write your own shared library which implements 'char *getenv'. Then, you set up 'LD_PRELOAD' or 'LD_LIBRARY_PATH' env. vars so that both your processes are run with your shared library preloaded.
This way, you will essentially have a control over the code of the 'getenv' ...