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Automatic Retina images for web sites
...et
good explanation about why and how to use srcset
Chris Coyer's post for more good info
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What is a vertical tab?
...ould be CTRL-K.
I don't believe anyone would have a reason to use it any more. Most forms are generated in a printer control language like postscript.
@Talvi Wilson noted it used in python '\v'.
print("hello\vworld")
Output:
hello
world
The above output appears to result in the def...
How to count the number of files in a directory using Python
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os.listdir() will be slightly more efficient than using glob.glob. To test if a filename is an ordinary file (and not a directory or other entity), use os.path.isfile():
import os, os.path
# simple version for working with CWD
print len([name for name ...
How do you specify that a class property is an integer?
... I think this is the answer. 1) You can't specify anything more granular than simply "number" for numeric types, nor is there any recognized annotation to do so; and 2) there is a bug in the VS plugin that is suggesting invalid types, perhaps based on the ECMA 262 list of reserved ke...
Can I use git diff on untracked files?
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Uses for Optional
...atches use case #1 in the OP's question. Although, absence of a value is a more precise formulation than null since something like IntStream.findFirst could never return null.
For use case #2, passing an optional argument to a method, this could be made to work, but it's rather clumsy. Suppose you ...
Check if string begins with something? [duplicate]
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This can be made more generic like so: var x = "/sub/1"; if (pathname.substring(0, x.length) === x) { // ... };. This way you're no longer reliant on knowing the length of x as it may change.
– The Crazy Chimp
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Why do I need to explicitly push a new branch?
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For the questioner's more general case of a new branch 'new_branch', you would use git push --set-upstream origin new_branch or git push -u origin new_branch for short. The -all that the questioner used bypassed naming a specific new branch by in...
How to apply shell command to each line of a command output?
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How do I download a package from apt-get without installing it? [closed]
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@BrooksMoses: I can't do that anymore, the question is closed.
– biocyberman
May 23 '14 at 11:13
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