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Cross-browser testing: All major browsers on ONE machine
Aim of this guide:
3 Answers
3
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How to paste over without overwriting register
...s anyone know of a way to paste over a visually selected area without having the selection placed in the default register?
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What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...abases implement DISTINCT under the hood).
If one of them is faster, it's going to be DISTINCT. This is because, although the two are the same, a query optimizer would have to catch the fact that your GROUP BY is not taking advantage of any group members, just their keys. DISTINCT makes this expli...
How to use NSJSONSerialization
I have a JSON string (from PHP's json_encode() that looks like this:
12 Answers
12
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How to return a value from __init__ in Python?
...required to return None. You cannot (or at least shouldn't) return something else.
Try making whatever you want to return an instance variable (or function).
>>> class Foo:
... def __init__(self):
... return 42
...
>>> foo = Foo()
Traceback (most recent call last):
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How can I know which parts in the code are never used?
... have legacy C++ code that I'm supposed to remove unused code from. The problem is that the code base is large.
18 Answers
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How do I load my script into the node.js REPL?
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There is still nothing built-in to provide the exact functionality you describe. However, an alternative to using require it to use the .load command within the REPL, like such:
.load foo.js
It loads the file in line by line just as if you ha...
Shell - Write variable contents to a file
.../some/directory/path/filename
if [ -f "$destdir" ]
then
echo "$var" > "$destdir"
fi
The if tests that $destdir represents a file.
The > appends the text after truncating the file. If you only want to append the text in $var to the file existing contents, then use >> instead:
ec...
How to check the version before installing a package using apt-get?
I'm thinking to install hylafax+ version 5.5.4 which was release last month on my Debian PC.
10 Answers
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SVN command to delete all locally missing files
In SVN is there a command I can use to delete all locally missing files in a directory?
12 Answers
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