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Easy way to test a URL for 404 in PHP?
I'm teaching myself some basic scraping and I've found that sometimes the URL's that I feed into my code return 404, which gums up all the rest of my code.
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Can you do a partial checkout with Subversion?
If I had 20 directories under trunk/ with lots of files in each and only needed 3 of those directories, would it be possible to do a Subversion checkout with only those 3 directories under trunk?
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How to add texture to fill colors in ggplot2
I'm currently using scale_brewer() for fill and these look beautiful in color (on screen and via color printer) but print relatively uniformly as greys when using a black and white printer. I searched the online ggplot2 documentation but didn't see anything about adding textures to fill colors. ...
How do I set vertical space between list items?
...ou want to target, everything else would be overkill unless you plan to expand. Plus all answers have the disadvantage of adding space before and/or after the first/last list element. Which was not the question, he wanted to only have a spacing BETWEEN the list elements (at least he wrote it). The l...
Transferring files over SSH [closed]
I'm SSHing into a remote server on the command line, and trying to copy a directory onto my local machine with the scp command. However, the remote server returns this "usage" message:
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Is nested function a good approach when required by only one function? [closed]
... do_it() does would presumably be a bit more complicated than what can be handled by some arithmetic in a single return statement.
– martineau
Sep 2 '14 at 13:07
2
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Rank function in MySQL
...d to find out rank of customers. Here I am adding the corresponding ANSI standard SQL query for my requirement. Please help me to convert it to MySQL .
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(Deep) copying an array using jQuery [duplicate]
...an a value.
Likewise delete(b[0][0]) also causes a[0][0] to be deleted and b[0][0]=99 also changes the value of a[0][0] to 99.
jQuery's extend method does perform a deep copy when a true value is passed as the initial argument:
var a =[[1], [2], [3]];
var b = $.extend(true, [], a);
b.shift()....
How to use hex color values
I am trying to use hex color values in Swift, instead of the few standard ones that UIColor allows you to use, but I have no idea how to do it.
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How to “EXPIRE” the “HSET” child key in redis?
...tore along with the filed another field with an
expire time, fetch both, and let the application understand if it is
still valid or not based on current time.
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