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How to check if object (variable) is defined in R?
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You win by 52 seconds :)
– Dirk Eddelbuettel
Feb 20 '12 at 21:51
10
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Scripting TFS Command Line for Get Latest Version, Check Out and Check in, programmatically
I use WinXP, VS 2008 and Team Explorer to connect to Team Foundation Server.
4 Answers
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Include constant in string without concatenating
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To use constants inside strings you can use the following method:
define( 'ANIMAL', 'turtles' );
$constant = 'constant';
echo "I like {$constant('ANIMAL')}";
How does this work?
You can use any string function name and arbitrary parameters
One can place any function ...
Oracle: how to UPSERT (update or insert into a table?)
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The issue is that you have a window in between the insert and the update where another process could successfully fire a delete. I did however use this pattern on a table that never has deletes fired against it.
– chotchki
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How do you see the entire command history in interactive Python?
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Win10 C:\>python -m pip install readline => Collecting readline \n Downloading https://files.pythonhosted.org/packages/f4/01/2cf081af8d880b44939a5f1b446551a7f8d59eae414277fd0c303757ff1b/readline-6.2.4.1.tar.gz (2.3MB) \...
How I can delete in VIM all text from current line to end of file?
...iting and saving the file.
head hugefile > firstlines
(If you are on Windows you can use the Win32 port of head)
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unable to copy/paste in mingw shell
I just installed MinGW on Windows and I'm unable to copy/paste as I am used to on Linux or even PuTTY. What is the trick for copying and pasting text (e.g. from chrome) into MinGW shell?
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How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]
...ins the info you need in the Machine member which contains one of the following values
IMAGE_FILE_MACHINE_I386 (0x014c)
IMAGE_FILE_MACHINE_IA64 (0x0200)
IMAGE_FILE_MACHINE_AMD64 (0x8664)
This information should be at a fixed offset in the file, but I'd still recommend traversing the file and che...
How do I create/edit a Manifest file?
...hat "template". Especially I am adding the operating system keys, e.g. for Win 10 which even VS 2013 doesn't know yet.
– Philm
Nov 11 '15 at 0:16
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Convert an image to grayscale in HTML/CSS
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Following on from brillout.com's answer, and also Roman Nurik's answer, and relaxing somewhat the the 'no SVG' requirement, you can desaturate images in Firefox using only a single SVG file and some CSS.
Your SVG file will look l...