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How to detect if my shell script is running through a pipe?
...file descriptor fd is open and refers to a terminal.
... where fd can be one of the usual file descriptor assignments:
0: stdin
1: stdout
2: stderr
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python setup.py uninstall
...ty module:
>>> import my_module
>>> my_module.__file__
None
Once deleted, Python shows:
>>> import my_module
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'my_module'
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How to insert element as a first child?
...children, if the parent container contains different children elements and one wants to insert before a specific group of child nodes, this will not work.
– Aurovrata
Nov 7 '18 at 3:36
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How can I check a C# variable is an empty string “” or null? [duplicate]
... a check. I have a variable that can be equal to "" or null. Is there just one function that can check if it's not "" or null?
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Make a div fill the height of the remaining screen space
... thing and it appears not possible with css? I'm not sure but regardless none of the other tons of solutions do what you've described. The javascript one is the only one that works correctly at this point.
– Travis
May 4 '10 at 20:00
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Performing user authentication in Java EE / JSF using j_security_check
...authentication for a web application making use of JSF 2.0 (and if any components do exist) and Java EE 6 core mechanisms (login/check permissions/logouts) with user information hold in a JPA entity. The Oracle Java EE tutorial is a bit sparse on this (only handles servlets).
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Is there a standard for storing normalized phone numbers in a database?
What is a good data structure for storing phone numbers in database fields? I'm looking for something that is flexible enough to handle international numbers, and also something that allows the various parts of the number to be queried efficiently.
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Forcing a WPF tooltip to stay on the screen
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FWIW, I prefer this one precisely because it's global -- I want all tooltips in my app to persist longer without further fanfare. Doing this still allows you to selectively apply a smaller value in context-specific places, as well, exactly as i...
How do you find the last day of the month? [duplicate]
... best way at the moment. In 2.0 you could use a DateAdjuster - there isn't one for LastDayOfMonth at the moment, but I might add one tonight :)
– Jon Skeet
Jan 30 '15 at 18:11
3
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Convert String to double in Java
... of the text from the string that you want to parse for the double. Here's one way you could do it for your case, though I can't guarantee it will work for everything: double total = Double.parseDouble(jlbTotal.getText().replaceAll("[^0-9.]", "")); - this basically replaces all characters that aren'...