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Regular expression \p{L} and \p{N}
... by .NET, Perl, Java, PCRE, XML, XPath, JGSoft, Ruby (1.9 and higher) and PHP (since 5.1.0)
At any rate, that's a very strange regex. You should not be using alternation when a character class would suffice:
[\p{L}\p{N}_.-]*
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Why should eval be avoided in Bash, and what should I use instead?
...>&3 2>&1 # Redirect stdout to &3, and stderr to stdout: order matters
command <&3 >&4 # Input and output!
Variable indirection
Scenario:
VAR='1 2 3'
REF=VAR
Bad:
eval "echo \"\$$REF\""
Why? If REF contains a double quote, this will break and open the code...
What does #defining WIN32_LEAN_AND_MEAN exclude exactly?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Why use def main()? [duplicate]
...to add.
Reasons to have that if statement calling main() (in no particular order):
Other languages (like C and Java) have a main() function that is called when the program is executed. Using this if, we can make Python behave like them, which feels more familiar for many people.
Code will be clean...
Parsing Visual Studio Solution files
...pp that merges multiple solutions into one while saving the relative build order.
11 Answers
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How do I check to see if a value is an integer in MySQL?
...ay to check to see if a value is an integer? Something like is_int() in PHP is what I am looking for.
11 Answers
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How do I enable TODO/FIXME/XXX task tags in Eclipse?
... settings are necessary to choose which tags you are interested in, but in order to display these tags in a list, you also need to select the right Eclipse perspective. I finally discovered that the "Markers" tab containing the "Task" list is only available under the "Java EE" perspective... Hope th...
How to detect user inactivity in Android
...ier). As for the onStop(), from what I remember, I call onBackPressed() in order to return to a login screen in the disconnect callback which in turn calls the onStop() method. When the user returns to the login screen manually, by pressing back, the timer needs to be stopped as well thus the stopDi...
How could I use requests in asyncio?
...o use all 100 slots simultaneously, not to wait for 100 to be delivered in order to start next 100.
– Antoan Milkov
Jun 9 '19 at 9:35
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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
...uestionID = a.QuestionID; seems to be the same basic query in a different order. any idea why?
– billynoah
Apr 12 '14 at 22:39
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