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How to name factory like methods?
...quite frequently and suspect they may be "de facto standards". I'd choose one and use it consistently at least within a project. (Looking at my own current project, I seem to use "make". I hope I'm consistent...)
Avoid "build" because it fits better with the Builder pattern and avoid "produce" b...
When do I use fabs and when is it sufficient to use std::abs?
...u dig around find some outdated compiler over 10 years old, you might find one that doesn't support it.
– stinky472
Jun 25 '10 at 13:13
1
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Unlimited Bash History [closed]
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As Jörg Beyer mentioned in his answer, HISTSIZE and HISTFILESIZE are key.
In addition, you should definitely check out the environmental variable HISTCONTROL, which lets you do cool things like not store duplicate history commands (HISTCONTROL=...
Check if a value is in an array (C#)
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@0A0D. This answer is I think straight best one as simplest/shortest and well known way to achieve same thing (How do I check if a value is in an array in C#?) and efficient as well. No loop no extra method. Just a namespace is extra which is not a big thing.
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creating a strikethrough text?
...ugh flag enabled.
Edit from Comment by Ε Г И І И О :
For any one wanting to remove this flag, this is how:
someTextView.setPaintFlags(someTextView.getPaintFlags() & (~Paint.STRIKE_THRU_TEXT_FLAG));
share...
How do I remove packages installed with Python's easy_install?
...ttle experience that just happened to me where pip was unable to uninstall one of my modules. I had to remove the matching line from site-packages/easy-install.pth to completely uninstall it.
– ychaouche
Mar 3 '15 at 11:09
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How to index into a dictionary?
... In Python 2, use d.iterkeys().next() instead of d.keys()[0] to inspect one of the keys without removing it. If the dictionary is huge, it will make a big difference in terms of performance. The same goes for values and items. In Python 2.7 you can also use dict view objects
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Mercurial undo last commit
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One way would be hg rollback (deprecated as of Hg2.7, August 2013)
Please use hg commit --amend instead of rollback to correct mistakes in the last commit.
Roll back the last transaction in a repository.
When co...
Get the new record primary key ID from MySQL insert query?
Let's say I am doing a MySQL INSERT into one of my tables and the table has the column item_id which is set to autoincrement and primary key .
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How do I use Ruby for shell scripting?
...h do |value|
puts value
end
...make it executable (as others have mentioned):
chmod u+x my_shell_script
And call it like so:
> ./my_shell_script one two three four five
You'd get this:
I was passed:
one
two
three
four
five
The arguments work nicely with filename expansion:
./my_s...