大约有 11,000 项符合查询结果（耗时：0.0313秒） [XML]
Delete column from SQLite table
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I've made a Python function where you enter the table and column to remove as arguments:
def removeColumn(table, column):
columns = []
for row in c.execute('PRAGMA table_info(' + table + ')'):
columns.append(row[1])
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How to install the current version of Go in Ubuntu Precise
...net/~duh/+archive/golang/+packages. So basically do:
sudo apt-get install python-software-properties # 12.04
sudo add-apt-repository ppa:duh/golang
sudo apt-get update
sudo apt-get install golang
To confirm:
go version
which outputs in my case (Ubuntu precise)
go version go1.1.1 linux/amd64
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Running script upon login mac [closed]
...e job for the launchd solution - see trisweb's answer. If you can manage a python daemon, youre sure can manage an plist config file where you can manage all aspects of restarts and so on...
– jm666
Aug 11 '14 at 15:29
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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
share
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...
Django - Difference between import django.conf.settings and import settings
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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...