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What's a quick way to comment/uncomment lines in Vim?
...nfused by the usage, default leader is "\" so 10\cc will comment ten lines and 10\cu will uncomment those ten lines
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When is “i += x” different from “i = i + x” in Python?
I was told that += can have different effects than the standard notation of i = i + . Is there a case in which i += 1 would be different from i = i + 1 ?
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Handling optional parameters in javascript
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You can know how many arguments were passed to your function and you can check if your second argument is a function or not:
function getData (id, parameters, callback) {
if (arguments.length == 2) { // if only two arguments were supplied
if (Object.prototype.toString.call(param...
Find a value anywhere in a database
Given a #, how do I discover in what table and column it could be found within?
18 Answers
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Running SSH Agent when starting Git Bash on Windows
...Other Resources:
"Getting ssh-agent to work with git run from windows command shell" has a similar script, but I'd refer to the GitHub article above primarily, which is more robust and up to date.
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Regular cast vs. static_cast vs. dynamic_cast [duplicate]
I've been writing C and C++ code for almost twenty years, but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e.
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Should JAVA_HOME point to JDK or JRE?
...\Program Files (x86)\Java\jre7 . It works fine. Afterwards, I unzipped ant and set up the environment variables related to Ant, I got the following error messages after typing "ant -version"
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extract part of a string using bash/cut/split
...om the end
So # means match from the beginning (think of a comment line) and % means from the end. One instance means shortest and two instances means longest.
You can get substrings based on position using numbers:
${MYVAR:3} # Remove the first three chars (leaving 4..end)
${MYVAR::3} # Retu...
“#include” a text file in a C program as a char[]
... $ xxd -i < file.txt > file.xxd $ echo ', 0' >> file.xxd and in the main.c char file_content[] = { #include "file.xxd" };
– ZeD
Jan 4 '09 at 16:10
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What is the gain from declaring a method as static
I've recently been looking through my warnings in Eclipse and come across this one:
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