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Vim and Ctags tips and tricks [closed]
...t_id=1764
taglist.vim : Source code browser (supports C/C++, java, perl, python, tcl, sql, php, etc)
http://www.vim.org/scripts/script.php?script_id=273
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edited Jun...
Postgres: INSERT if does not exist already
I'm using Python to write to a postgres database:
17 Answers
17
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How to use “not” in xpath?
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None of these answers worked for me for python. I solved by this
a[not(@id='XX')]
Also you can use or condition in your xpath by | operator. Such as
a[not(@id='XX')]|a[not(@class='YY')]
Sometimes we want element which has no class. So you can do like
a[not(@...
Where do I use delegates? [closed]
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I had a project which used win32 Python.
Due to various reasons, some modules used odbc.py to access the DB, and other modules - pyodbc.py.
There was a problem when a function needed to be used by both kinds of modules. It had an connection object pas...
Applying a git post-commit hook to all current and future repos
...t the hook elsewhere and add a symbolic link in the template directory (on Linux). Make sure the link path is absolute.
– Tim Allclair
Jul 29 '16 at 3:52
1
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Django - Difference between import django.conf.settings and import settings
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Not the answer you're looking for? Browse other questions tagged python django or ask your own question.
Read entire file in Scala?
... File.read() would be a nicer name, and consistent with Ruby and Python besides.
– Brendan OConnor
Sep 7 '09 at 3:33
26
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Limit a stream by a predicate
...kasEder takeWhile and dropWhile are pretty widespread, occurring in Scala, Python, Groovy, Ruby, Haskell, and Clojure. The asymmetry with skip and limit is unfortunate. Maybe skip and limit ought to have been called drop and take, but those aren't as intuitive unless you're already familiar with Has...
brew install gcc too time consuming
...omebrew will automatically recover.
You may be interested in the homebrew-python tap.
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What is the advantage of GCC's __builtin_expect in if else statements?
... puts("a");
return 0;
}
Compile and decompile with GCC 4.8.2 x86_64 Linux:
gcc -c -O3 -std=gnu11 main.c
objdump -dr main.o
Output:
0000000000000000 <main>:
0: 48 83 ec 08 sub $0x8,%rsp
4: 31 ff xor %edi,%edi
6: e8 00 00 ...