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How do you merge two Git repositories?
...mit's title contains a reference to the old history tree:
Add 'rails/' from commit <rev>
Where <rev> is a SHA-1 commit hash. You can still see the history, blame some changes.
git log <rev>
git blame <rev> -- README.md
Note that you can't see the directory prefix fro...
Fast way of finding lines in one file that are not in another?
...y line content ss1[]. Then as file2 is read, each matching line is deleted from ll1[] and ss1[]. At the end the remaining lines from file1 are output, preserving the original order.
In this case, with the problem as stated, you can also divide and conquer using GNU split (filtering is a GNU extensi...
What is the correct syntax of ng-include?
...oting, it is important to know that ng-include requires the url path to be from the app root directory and not from the same directory where the partial.html lives. (whereas partial.html is the view file that the inline ng-include markup tag can be found).
For example:
Correct:
div ng-includ...
Suppressing “is never used” and “is never assigned to” warnings in C#
...code. The first ("... is never used") is usually a code-smell of leftovers from earlier versions of the code. Perhaps code was deleted, but fields left behind.
The second is usually a code-smell for incorrectly used fields. For instance, you might incorrectly write the new value of a property back ...
Split Java String by New Line
...ex (regular expressions). Since Java 8 regex supports \R which represents (from documentation of Pattern class):
Linebreak matcher
\R Any Unicode linebreak sequence, is equivalent to
\u000D\u000A|[\u000A\u000B\u000C\u000D\u0085\u2028\u2029]
So we can use it to mat...
Different between parseInt() and valueOf() in java?
How is parseInt() different from valueOf() ?
11 Answers
11
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sed or awk: delete n lines following a pattern
... A clever (albeit GNU-Sed-specific) solution, but few people will benefit from it, unless you add an explanation. pattern_number.txt is a 2-column file containing the pattern to match in the 1st column, and in the 2nd the number of lines to skip. The first sed command transforms the file into a se...
Random number generation in C++11: how to generate, how does it work? [closed]
...entire sequence of "random" numbers, so a) use a different one (e.g. taken from /dev/urandom) each time, and b) store the seed if you wish to recreate a sequence of random choices.
#include <random>
typedef std::mt19937 MyRNG; // the Mersenne Twister with a popular choice of parameters
uint...
How can I clear previous output in Terminal in Mac OS X?
...nal manually:
⌘+K
Command+K for newer keyboards
To clear the terminal from within a shell script;
/usr/bin/osascript -e 'tell application "System Events" to tell process "Terminal" to keystroke "k" using command down'
...
Assign null to a SqlParameter
The following code gives an error - "No implicit conversion from DBnull to int."
18 Answers
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