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python ? (conditional/ternary) operator for assignments [duplicate]
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Python has such an operator:
variable = something if condition else something_else
Alternatively, although not recommended (see @karadoc's comment):
variable = (condition and something) or something_else
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Simple 'if' or logic statement in Python [closed]
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If key isn't an int or float but a string, you need to convert it to an int first by doing
key = int(key)
or to a float by doing
key = float(key)
Otherwise, what you have in your question should work, but
if (key < ...
Only mkdir if it does not exist [duplicate]
...ld send a message to the user and ask for input, abort, or do other things if [[ -e dir && ! -d dir ]] is valid.
– konsolebox
Sep 4 '13 at 22:17
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How to read from stdin line by line in Node
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I think you can just change process.stdout to a different writable stream — it could be as simple as output: new require('stream').Writable()
– Jeff Sisson
Nov 20 '13 at 4:45
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What is the right way to check for a null string in Objective-C?
...ter equality. See Topics for Cocoa: Using Null.
So a good test might be:
if (title == (id)[NSNull null] || title.length == 0 ) title = @"Something";
Note how you can use the fact that even if title is nil, title.length will return 0/nil/false, ie 0 in this case, so you do not have to special cas...
Volatile boolean vs AtomicBoolean
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They are just totally different. Consider this example of a volatile integer:
volatile int i = 0;
void incIBy5() {
i += 5;
}
If two threads call the function concurrently, i might be 5 afterwards, since the compiled code will be somewhat sim...
php: determine where function was called from
...$backtrace[0] points to fail(), so we'll look in $backtrace[1] instead
if (isset($backtrace[1]['function']) && $backtrace[1]['function'] == 'epic')
{
// Called by epic()...
}
}
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Best practice to call ConfigureAwait for all server-side code
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Update: ASP.NET Core does not have a SynchronizationContext. If you are on ASP.NET Core, it does not matter whether you use ConfigureAwait(false) or not.
For ASP.NET "Full" or "Classic" or whatever, the rest of this answer still applies.
Original post (for non-Core ASP.NET):
This vi...
How to check if element in groovy array/hash/collection/list?
How do I figure out if an array contains an element?
I thought there might be something like [1, 2, 3].includes(1) which would evaluate as true .
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JavaScript, Node.js: is Array.forEach asynchronous?
... implementation of JavaScript: Does it behave asynchronously?
For example, if I call:
10 Answers
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