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How do I see the commit differences between branches in git?
... branch-X and have added a couple more commits on top of it. I want to see all the differences between MASTER and the branch that I am on in terms of commits. I could just do a
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How to kill/stop a long SQL query immediately?
...e red cancel button, but it has not stopped for the past 10 minutes. It usually stops within 3 minutes.
11 Answers
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Compiled vs. Interpreted Languages
...et machine, but instead read and executed by some other program (which normally is written in the language of the native machine). For example, the same "+" operation would be recognised by the interpreter at run time, which would then call its own "add(a,b)" function with the appropriate arguments,...
Remove blank lines with grep
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Try the following:
grep -v -e '^$' foo.txt
The -e option allows regex patterns for matching.
The single quotes around ^$ makes it work for Cshell. Other shells will be happy with either single or double quotes.
UPDATE: This works for me for a file with blank lines or "all white ...
How to launch html using Chrome at “--allow-file-access-from-files” mode?
...ome executable and then, on your cmd, try :
> "C:\PathTo\Chrome.exe" --allow-file-access-from-files
Source
EDIT :
As I see on your question, don't forget that Windows is a little bit similar to Unix, so when you type "chrome ...", cmd will search for Chrome in the PATH, but in general the Chr...
Using -performSelector: vs. just calling the method
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Basically performSelector allows you to dynamically determine which selector to call a selector on the given object. In other words the selector need not be determined before runtime.
Thus even though these are equivalent:
[a...
What is memory fragmentation?
...emory fragmentation" used a few times in the context of C++ dynamic memory allocation. I've found some questions about how to deal with memory fragmentation, but can't find a direct question that deals with it itself. So:
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Should I use px or rem value units in my CSS? [closed]
...size of a pixel on a 96 dpi display. On a display that has a dpi substantially different than 96dpi (like Retina displays), the user agent rescales the px unit so that its size matches that of a reference pixel. In other words, this rescaling is exactly why 1 CSS pixel equals 2 physical Retina dis...
How to set JAVA_HOME environment variable on Mac OS X 10.9?
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Literally all you have to do is:
echo export "JAVA_HOME=\$(/usr/libexec/java_home)" >> ~/.bash_profile
and restart your shell.
If you have multiple JDK versions installed and you want it to be a specific one, you can use...
How to find the statistical mode?
...max, and returns the first-appearing value of the set of modes. To return all modes, use this variant (from @digEmAll in the comments):
Modes <- function(x) {
ux <- unique(x)
tab <- tabulate(match(x, ux))
ux[tab == max(tab)]
}
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