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How to create new tmux session if none exists
...ause with a small tweak this works with named sessions: tmux attach -t some_name || tmux new -s some_name. Change some_name to $1 add a shebang, and save.
– Cheezmeister
Jan 9 '14 at 4:48
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What's the difference between jQuery's replaceWith() and html()?
...() simply replaces the contents.
Note that the replaceWith() will not actually delete the element but simply remove it from the DOM and return it to you in the collection.
An example for Peter: http://jsbin.com/ofirip/2
sh...
Assign multiple columns using := in data.table, by group
...t(dim(get(objectName))),by=objectName]. Trouble is that as.list has call overhead and also copies the small vector. If efficiency is a problem as number of groups rises then please let us know.
– Matt Dowle
May 21 '14 at 11:49
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Should I add .vcxproj.filter files to source control?
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We intentionally pulled the .filter. file information out of the .vcproj when we translated to the .vcxproj MSBuild format.
One reason is exactly what you pointed out, that the filters are purely a logical view, and different team membe...
Android: alternate layout xml for landscape mode
...l it stretches out..I've tried using same image,9-patch images,mdpi,hdpi n all..still issue persists :(
– Prabs
Jun 8 '15 at 7:18
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How to close off a Git Branch?
...ange to our procedure. Using git push --tags is heavy handed and downloads all tags. This makes it difficult to have you're own local tags. Instead we use git push origin branch-<feature-branch> to push just the one tag.
– Bill Door
Apr 24 '12 at 17:07
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Should bower_components be gitignored?
...d by others (e.g., you're building a web app), you should always check installed packages into source control.
Make sure to check out the link in the quote, it discusses some pro and cons. The main pro it mentions is that checking them in ensures that your dependencies are always available, as lon...
Getting and removing the first character of a string
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x <- 'hello stackoverflow'
substring(x, 2, nchar(x))
Idea is select all characters starting from 2 to number of characters in x. This is important when you have unequal number of characters in word or phrase.
Selecting the first letter is trivial as previous answers:
substring(x,1,1)
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Using a remote repository with non-standard port
...rl = [user@]host.xz:path/to/repo.git/
Notice that the SCP style does not allow a direct port change, relying instead on an ssh_config host definition in your ~/.ssh/config such as:
Host my_git_host
HostName git.some.host.org
Port 24589
User not_a_root_user
Then you can test in a shell with:
ss...
How to dynamically build a JSON object with Python?
I am new to Python and I am playing with JSON data. I would like to dynamically build a JSON object by adding some key-value to an existing JSON object.
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