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How do I test if a string is empty in Objective-C?
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There are som>me m> very rare NSStrings where this will result in a false negative (saying the string isn't empty, when, for practical purposes, it is). Consider @"\u200B" (consisting only of Unicode character ZERO WIDTH SPACE. Printing it ou...
'git' is not recognized as an internal or external command
...ct the paths if necessary.
Modifying PATH on Windows 10:
In the Start m>Me m>nu or taskbar search, search for "environm>me m>nt variable".
Select "Edit the system environm>me m>nt variables".
Click the "Environm>me m>nt Variables" button at the bottom.
Double-click the "Path" entry under "System variables".
With t...
How do you roll back (reset) a Git repository to a particular commit? [duplicate]
...d then tried to roll it back to a particular commit early on in the developm>me m>nt process. Everything that was added to the repository after that point is unimportant to m>me m> so I want to omit all subsequent changes from my local source code.
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MySQL: Fastest way to count number of rows
...MyISAM engine actually stores row count, it doensn't count all rows each tim>me m> you try to count all rows. (based on primary key's column)
Using PHP to count rows is not very smart, because you have to send data from mysql to php. Why do it when you can achieve the sam>me m> on the mysql side?
If the COU...
git cherry-pick says “…38c74d is a m>me m>rge but no -m option was given”
I made som>me m> changes in my master branch and want to bring those upstream. when I cherry-pick the following commits however I get stuck on fd9f578 where git says:
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Weighted random numbers
I'm trying to implem>me m>nt a weighted random numbers. I'm currently just banging my head against the wall and cannot figure this out.
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python's re: return True if string contains regex pattern
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import re
word = 'fubar'
regexp = re.compile(r'ba[rzd]')
if regexp.search(word):
print 'matched'
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improve this ans...
Join vs. sub-query
...readability of the code, because it is of great importance for later managem>me m>nt of it... Let's rem>me m>mber the famous statem>me m>nt of Donald Knuth: "Premature optimization is the root of all evil (or at least most of it) in programming". However, naturally there are programming areas where performance is ...
Counting Line Numbers in Eclipse [closed]
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Here's a good m>me m>trics plugin that displays number of lines of code and much more:
http://m>me m>trics.sourceforge.net/
It says it requires Eclipse 3.1, although I imagine they m>me m>an 3.1+
Here's another m>me m>trics plugin that's been tested on Gan...
make ifram>me m> height dynamic based on content inside- JQUERY/Javascript
I am loading an aspx web page in an ifram>me m>. The content in the Ifram>me m> can be of more height than the ifram>me m>'s height. The ifram>me m> should not have scroll bars.
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