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SQL WHERE ID IN (id1, id2, …, idn)
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Option 1 is the only good solution.
Why?
Option 2 does the same but you repeat the column name lots of times; additionally the SQL engine doesn't immediately know that you want to check if the value is one of the values in a fixed list. However, a good SQL engine could optimize it to h...
How to check version of python modules?
...efixed with sudo, it appears you're installing to the global python environment. Strongly advise to take look into python virtual environment managers, for example virtualenvwrapper
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How to convert Strings to and from UTF8 byte arrays in Java
...va, I have a String and I want to encode it as a byte array (in UTF8, or some other encoding). Alternately, I have a byte array (in some known encoding) and I want to convert it into a Java String. How do I do these conversions?
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Allow Google Chrome to use XMLHttpRequest to load a URL from a local file
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startup chrome with --disable-web-security
On Windows:
chrome.exe --disable-web-security
On Mac:
open /Applications/Google\ Chrome.app/ --args --disable-web-security
This will allow for cross-domain requests.
I'm not aware of if t...
Stop/Close webcam which is opened by navigator.getUserMedia
... opened a webcam by using the following JavaScript code: navigator.getUserMedia
16 Answers
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What's an easy way to read random line from a file in Unix command line?
...does exactly what you want, though not available in all distros. On its home page it actually recommends the use of shuf instead (which didn't exist when it was created, I believe). shuf is part of the GNU coreutils, rl is not.
rl -c 1 $FILE
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How to convert an int value to string in Go?
... Why did the language designers think that cryptic functions names like "Itoa" were preferable to something that might be a little more descriptive?
– Luke
Jul 17 '16 at 20:27
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Python datetime to string without microsecond component
I'm adding UTC time strings to Bitbucket API responses that currently only contain Amsterdam (!) time strings. For consistency with the UTC time strings returned elsewhere, the desired format is 2011-11-03 11:07:04 (followed by +00:00 , but that's not germane).
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How to retrieve the hash for the current commit in Git?
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--verify implies that: The parameter given must be usable as a single, valid object name. Otherwise barf and abort.
– Linus Unnebäck
Jul 24 '11 at 17:50
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Set padding for UITextField with UITextBorderStyleNone
...of the padding you want:
UIView *paddingView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 5, 20)];
textField.leftView = paddingView;
textField.leftViewMode = UITextFieldViewModeAlways;
Worked like a charm for me!
In Swift 3/ Swift 4, it can be done by doing that
let paddingView: UIView = UI...