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Find lines from a file which are not present in another file [duplicate]
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The command you have to use is not diff but comm
comm -23 a.txt b.txt
By default, comm outputs 3 columns: left-only, right-only, both. The -1, -2 and -3 switches suppress these columns.
So, -23 hides the right-only and both columns, showing the lines that a...
What is the different between 'Auto' and '*' when setting width/height for a grid column?
I cannot distinguish the different between 'Auto' and '*' when setting width/height for a grid column. Please help!
1 Answe...
MIN and MAX in C
Where are MIN and MAX defined in C, if at all?
14 Answers
14
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How do I write a short literal in C++?
.... I would guess that the compiler would be smart enough to compile this as if it's a short literal (i.e. it wouldn't actually allocate an int and then cast it every time).
The following illustrates how much you should worry about this:
a = 2L;
b = 2.0;
c = (short)2;
d = '\2';
Compile -> disa...
update package.json version automatically
...rsion bumped to 0.1.1
grunt bump:major
>> Version bumped to 1.0.0
If you're using grunt anyway it might be the simplest solution.
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Setting Vim whitespace preferences by filetype
...ndent based on the size of tabstop, and then spaces after that. Of course, if expandtab is on, all the tabs that get inserted are converted to spaces. stackoverflow.com/questions/1562336/… might help further. Without expand tab, Peter's answer would insert tabs that are 2 chars wide, not spaces.
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Send Email Intent
...ail app. Let the user choose his favorite email app. Don't constrain him.
If you use ACTION_SENDTO, putExtra does not work to add subject and text to the intent. Use Uri to add the subject and body text.
EDIT:
We can use message/rfc822 instead of "text/plain" as the MIME type. However, that is not...
Search in all files in a project in Sublime Text 3
...Where and Replace. It's a regular Find/Find-replace search where Where specifies a file or directory to search. I for example often use a file name or . for searching the current directory. There are also a few special constructs that can be used within the Where field:
<project>,<current ...
What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
...rname $(which gcc)))/lib using back quotes. Even before you get into the difficulties of doing it in Markdown, it is harder because you have to escape the backquotes of the nested commands, whereas you don't with the $(...) notation.
– Jonathan Leffler
Aug 1 '...
Creating threads - Task.Factory.StartNew vs new Thread()
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There is a big difference. Tasks are scheduled on the ThreadPool and could even be executed synchronous if appropiate.
If you have a long running background work you should specify this by using the correct Task Option.
You should prefer T...