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Redirect stdout pipe of child process in Go
...u can simply set cmd.Stdin = os.Stdin thereby making it as if you had literally executed that command from your shell.
– Nucleon
May 28 '14 at 0:49
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How to check whether a given string is valid JSON in Java
...son JSON API implementation that is available on github, in maven and partially on Android.
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Count occurrences of a char in plain text file
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If all you need to do is count the number of lines containing your character, this will work:
grep -c 'f' myfile
However, it counts multiple occurrences of 'f' on the same line as a single match.
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How can I get the length of text entered in a textbox using jQuery?
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Up Vote because you explained what it all does, not jsut provided the code.
– user83632
May 2 '09 at 16:53
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How to compare two dates?
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@Emadpres: imagine this was typed manually. The past line was typed first, while the present line was typed second... so the past line was entered first, so past < present is True.
– ramcdougal
Mar 20 '17 at 15:50
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How safe is it to store sessions with Redis?
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Redis is perfect for storing sessions. All operations are performed in memory, and so reads and writes will be fast.
The second aspect is persistence of session state. Redis gives you a lot of flexibility in how you want to persist session state to your hard-dis...
Python Requests library redirect new url
...is myself, I hope it might be useful for someone else.
If you want to use allow_redirects=False and get directly to the first redirect object, rather than following a chain of them, and you just want to get the redirect location directly out of the 302 response object, then r.url won't work. Inste...
How to find a parent with a known class in jQuery?
...o the jQuery parents function:
d.parents('.a').attr('id')
EDIT Hmm, actually Slaks's answer is superior if you only want the closest ancestor that matches your selector.
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Generate colors between red and green for a power meter?
...ges using this code ... any ideas? For example, the following percentages all return RGB 1,255,0: 0.277, 0.222, 0.111 ... the higher values (for example 1.0) do return the correct RGBs with brighter green, but they stop trailing off after a threshold and I only get shades of green on my scale.
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How do you clone a BufferedImage
...which has many bufferedimages in it, I want to create a new object copying all the bufferedimages into the new object, but these new images may be altered and i don't want the original object images to be altered by altering the new objects images.
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