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List all virtualenv
...hich you have two options "long" or "brief":
"long" option is the default one, it searches for any hook you may have around this command and executes it, which takes more time.
"brief" just take the virtualenvs names and prints it.
brief usage:
$ lsvirtualenv -b
long usage:
$ lsvirtualenv -l...
UNIX export command [closed]
...ort it:
$ export FOO
You can combine these two statements into a single one in bash (but not in old-school sh):
$ export FOO="bar"
Here's a quick example showing the difference between exported and non-exported variables. To understand what's happening know that sh -c creates a child shell pro...
How do I set up curl to permanently use a proxy? [closed]
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If anyone comes along and is trying to accomplish this with Windows / DOSKEY, I used alias curl=curl --proxy <proxy server:port> $*
– Brandon Linton
Apr 18 '14 at 15:14
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View a specific Git commit [duplicate]
... viewed too - for example, the last commit can be seen with git show HEAD. One more back? git show HEAD~1.
– Ben
Nov 20 '15 at 17:35
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F12 Jump to method -> go back to previous method after making the jump?
...lso hold down Ctrl and move your mouse over identifiers to highlight which ones you can jump to
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How can I convert an image to grayscale via the command line? [closed]
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None of these actually convert a AxBx3 RGB image into a AxBx1 single channel grayscale image though.
– Subin Sebastian
Feb 3 at 15:26
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Unable to install R package in Ubuntu 11.04 [closed]
...cial sudo powers for this.
Ubuntu package method
As Richie and Dirk mentioned, you can also use:
sudo apt-get install r-cran-xml
If you go down this path, I would recommend that you check out the R ubuntu sources page which will ensure you have a current version of R and the associated R packag...
How can I remove a substring from a given String?
...rchChars, String replaceChars) Replaces multiple characters in a String in one go.
static String replaceEach(String text, String[] searchList, String[] replacementList) Replaces all occurrences of Strings within
another String.
static String replaceEachRepeatedly(String text, String[] search...
MySQL case sensitive query [duplicate]
...e to same functional effect but it will allow the query to use an index if one is present on your column.
– Paul Wheeler
May 23 '19 at 21:48
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Disable resizing of a Windows Forms form
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This one actually stops users from resizing the screen. The accepted answer stops users from having a full screen button and a minimize button.
– programmerRaj
Mar 7 at 14:59
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