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Unix command to find lines common in two files
I'm sure I once found a unix command which could print the common lines from two or more files, does anyone know its name? It was much simpler than diff .
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Need to list all triggers in SQL Server database with table name and table's schema
I need to list all triggers in SQL Server database with table name and table's schema.
19 Answers
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Is there a way to use PhantomJS in Python?
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This worked beautifully, and probably saved me days. Thank you. If one wants the whole rendered page back as source, it's driver.page_source.
– scharfmn
Apr 12 '13 at 15:12
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Is there a foreach loop in Go?
...h entry it assigns iteration values to corresponding iteration
variables and then executes the block.
As an example:
for index, element := range someSlice {
// index is the index where we are
// element is the element from someSlice for where we are
}
If you don't care about the index...
git selective revert local changes from a file
...t -m "tmp"
Now you have a commit with only the changes you want to keep, and the rest is unstaged.
git reset --hard HEAD
At this point, uncommitted changes have been discarded, so you have a clean working directory, with the changes you want to keep committed on top.
git reset --mixed HEAD^
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Why does Pycharm's inspector complain about “d = {}”?
... a shame because it is useful for many things like PEP, ..., real problems and real performance hints.
– dashesy
Jan 14 '15 at 18:09
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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
....rfind("titi") returns 2 so when compared against == 0 would return false) and it would be inefficient (looking through the whole string instead of just the start). But it does not do that because it passes the pos parameter as 0, which limits the search to only match at that position or earlier. Fo...
How do I remove msysgit's right click menu options?
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64-Bit Windows
From a cmd.exe window, run these commands:
cd "C:\Program Files (x86)\Git\git-cheetah"
regsvr32 /u git_shell_ext64.dll
32-Bit Windows
From a cmd.exe window, run these commands
cd "C:\Program Files\Git\git-cheetah"
regsvr32 /u git_shell_ext.dll
Windows 1...
What is a bank conflict? (Doing Cuda/OpenCL programming)
I have been reading the programming guide for CUDA and OpenCL, and I cannot figure out what a bank conflict is. They just sort of dive into how to solve the problem without elaborating on the subject itself. Can anybody help me understand it? I have no preference if the help is in the context of CUD...
Why is the time complexity of both DFS and BFS O( V + E )
... [(incident_edges v1) + (incident_edges v2) + ... + (incident_edges vn)]
and the first group is O(N) while the other is O(E).
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