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How can I tell where mongoDB is storing data? (its not in the default /data/db!)
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While this question is targeted for Linux/Unix instances of Mongo, it's one of the first search results regardless of the operating system used, so for future Windows users that find this:
If MongoDB is set up as a Windows Service in the default manner, you ca...
How to remove line breaks from a file in Java?
...e breaks from a string in Java in such a way that will work on Windows and Linux (ie no OS specific problems of carriage return/line feed/new line etc.)?
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Can you do a partial checkout with Subversion?
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I wrote a script to automate complex sparse checkouts.
#!/usr/bin/env python
'''
This script makes a sparse checkout of an SVN tree in the current working directory.
Given a list of paths in an SVN repository, it will:
1. Checkout the common root directory
2. Update with depth=empty for inter...
Can Selenium interact with an existing browser session?
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This is a duplicate answer
**Reconnect to a driver in python selenium ** This is applicable on all drivers and for java api.
open a driver
driver = webdriver.Firefox() #python
extract to session_id and _url from driver object.
url = driver.command_executor._url #...
Use tnsnames.ora in Oracle SQL Developer
...t; System > Advanced system settings > Environment Variables...
In Linux, define the TNS_ADMIN variable in the .profile file in your home directory.
Confirm the os is recognizing this environmental variable
From the Windows command line: echo %TNS_ADMIN%
From linux: echo $TN...
How to convert a string to lower case in Bash?
...for another site so I thought I'd post it up here:
UPPER -> lower:
use python:
b=`echo "print '$a'.lower()" | python`
Or Ruby:
b=`echo "print '$a'.downcase" | ruby`
Or Perl (probably my favorite):
b=`perl -e "print lc('$a');"`
Or PHP:
b=`php -r "print strtolower('$a');"`
Or Awk:
b=`...
Do I need to heartbeat to keep a TCP connection open?
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How is it suppose to work on linux? does it infact work? can i schedule the timeout to be less than 2 hours? for instance 30 seconds?
– Itay Levin
Dec 26 '12 at 13:17
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ExecJS and could not find a JavaScript runtime
...pp worked fine on Windows but got the same error as the OP when running on Linux. The fix that worked for me on both platforms was to add the following to my Gemfile:
gem 'therubyracer', :platforms => :ruby
The trick is knowing that :platforms => :ruby actually means only use this gem with...
多媒体组件 · App Inventor 2 中文网
...，推荐使用“讯飞语音+”识别引擎，识别率较高，点此下载apk安装。
安装完成后无需设置，当触发需要识别语音时，系统会弹出对话框让你选择使用哪个识别引擎，这时选择“讯飞语音+”，点“始终”就OK了。
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Is there a /dev/null on Windows?
...sers\nul
echo 1 > c:\windows\nul
have the same effect as /dev/null on Linux.
This was tested on Windows 7, 64 bit.
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