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When is TCP option SO_LINGER (0) required?
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The typical reason to set a SO_LINGER timeout of zero is to avoid large numbers of connections sitting in the TIME_WAIT state, tying up all the available resources on a server.
When a TCP connection is closed cleanly, the end that initiated the close ("active cl...
How to tell PowerShell to wait for each command to end before starting the next?
...-ne "VM running") { Start-Sleep -s 2 } Start-Sleep -s 5 ## Give the VM time to come up so it can accept remote requests
– andrewmo
Jul 16 '18 at 12:08
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recursion versus iteration
...try out : Try to write Merge sort iteratively. It will take you quite some time.
Question :
Is it correct to say that everywhere recursion is used a for loop could be used?
Answer :
Yes. This thread has a very good answer for this.
Question :
And if it is always possible to convert an recursion i...
How can I remove all text after a character in bash?
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@kp123: It's the first example in my answer. The second time I show it (where "tomorrow" is removed), it's almost exactly the situation you're asking about.
– Paused until further notice.
Aug 28 '19 at 21:29
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Best way of returning a random boolean value
I've been using this for some time to return either true or false when building fake seed data. Just wondering if anybody has a better, more succinct or verbose way of returning either true or false .
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Android Endless List
...the condition firstVisible + visibleCount >= totalCount is met multiple times with multiple calls to the listener. If the load-more function is a web request, (most probably it will be), add another check for if a request is going on or not. On the other hand, check if the totalCount is not equal...
Android ClassNotFoundException: Didn't find class on path
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i comment this to remember next time to "update" sdk, watch this answer
– Enrique San Martín
Dec 18 '14 at 15:47
1
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Parsing boolean values with argparse
...lusive group
so that you cannot use --feature and --no-feature at the same time.
command --feature
and
command --no-feature
but not
command --feature --no-feature
Script:
feature_parser = parser.add_mutually_exclusive_group(required=False)
feature_parser.add_argument('--feature', dest='fea...
What's the difference between “bundle display name” and “bundle name” in cocoa application's info pl
... installing an app, such as "(CFBundleName) could not be installed at this time".
– saveknut
Aug 11 '15 at 10:37
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How to add elements to an empty array in PHP?
...ed in the PHP documentation, if you're only pushing a single element every time (like in a loop) or a single element once, it's best to use the $cart[] = 13 method not only because it's less characters to do the same operation, but it also doesn't impose the performance overhead of a function call, ...