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In Python, when should I use a function instead of a method?
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My general rule is this - is the operation performed on the object or by the object?
if it is done by the object, it should be a member operation. If it could apply to other things too, or is done by something else to the object then it should be a function (or perhaps a member of something e...
How to copy commits from one branch to another?
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You should really have a workflow that lets you do this all by merging:
- x - x - x (v2) - x - x - x (v2.1)
\
x - x - x (wss)
So all you have to do is git checkout v2.1 and git merge wss. If for some reason you really can't do this, and you can't use git reba...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...h can replace all the ways isset can be used. Some use cases are addressed by other functions, while others do not stand up to scrutiny, or have dubious value beyond code golf. Far from being "broken" or "inconsistent", other use cases demonstrate why isset's reaction to null is the logical behaviou...
Are foreign keys really necessary in a database design?
...data level. They also improve performance because they're normally indexed by default.
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How to change port number for apache in WAMP
...rver and installed it on my system but after installing it when I check it by going to localhost url like this http://localhost/ in the browser it is not working. I am getting a 404 error and blank page .
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Calculating the difference between two Java date instances
...are a Date object and the current time. I know I can calculate the delta by using getTime():
44 Answers
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Return value in a Bash function
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$(...) captures the text sent to stdout by the command contained within. return does not output to stdout. $? contains the result code of the last command.
fun1 (){
return 34
}
fun2 (){
fun1
local res=$?
echo $res
}
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When do we need to set ProcessStartInfo.UseShellExecute to True?
...tandardOutput=true, it seems to me you can still redirect standard output by doing process.Arguments= "cmd /c dir >c:\\crp\\a.a". Likewise from a run dialog box you can do cmd /c dir>c:\crp\a.a
– barlop
Apr 24 '16 at 22:51
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Fastest way(s) to move the cursor on a terminal command line?
...hasn't been closed yet, here are a few more options.
Use Ctrl+x followed by Ctrl+e to open the current line in the editor specified by $FCEDIT or $EDITOR or emacs (tried in that order).
If you ran the command earlier, hit Ctrl+r for a reverse history search and type option25 (in this case). The li...
How do you make Git ignore files without using .gitignore?
... with patterns in the higher level files (up to the root) being overridden by those in lower level files down to the directory containing the file.
Patterns read from $GIT_DIR/info/exclude.
Patterns read from the file specified by the configuration variable core.excludesfile.
The last two can be ...