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Why is $$ returning the same id as the parent process?
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Shouldn't the second bullet be kill -0 $! if we're talking about background processes? PID isn't set to anything by default.
– Isaac Freeman
Sep 12 '19 at 22:27
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If threads share the same PID, how can they be identified?
...hread's "PID"), and there's where gettid(2) comes in. This way I can tell, if we're in the main thread or not.
– Tomasz Gandor
Nov 21 '14 at 12:40
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CMake: Print out all accessible variables in a script
I'm wondering if there is a way to print out all accessible variables in CMake. I'm not interested in the CMake variables - as in the --help-variables option. I'm talking about my variables that I defined, or the variables defined by included scripts.
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Calling pylab.savefig without display in ipython
...tlib.pyplot as plt
plt.plot([1,2,3])
plt.savefig('/tmp/test.png')
EDIT: If you don't want to lose the ability to display plots, turn off Interactive Mode, and only call plt.show() when you are ready to display the plots:
import matplotlib.pyplot as plt
# Turn interactive plotting off
plt.ioff()...
Should I use encoding declaration in Python 3?
...ou only need to use that declaration when you deviate from the default, or if you rely on other tools (like your IDE or text editor) to make use of that information.
In other words, as far as Python is concerned, only when you want to use an encoding that differs do you have to use that declaration...
Can I assume (bool)true == (int)1 for any C++ compiler?
...int and this promotion must yield 1.
Reference: 4.7 [conv.integral] / 4: If the source type is bool... true is converted to one.
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What does [STAThread] do?
...present on the entry point of any
application that uses Windows Forms;
if it is omitted, the Windows
components might not work correctly.
If the attribute is not present, the
application uses the multithreaded
apartment model, which is not
supported for Windows Forms.
This blog post ...
“git pull” or “git merge” between master and development branches
...ill eventually merge everything from develop into master . I have two different workflows in mind:
5 Answers
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Android global variable
How can I create global variable keep remain values around the life cycle of the application regardless which activity running.
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How to get the name of a function in Go?
..., some care may be required here: the documentation for .Pointer() states "If v's Kind is Func, the returned pointer is an underlying code pointer, but not necessarily enough to identify a single function uniquely. The only guarantee is that the result is zero if and only if v is a nil func Value."
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