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Number of elements in a javascript object
... implementations might keep track of such a value internally, there's no standard way to get it.
In the past, Mozilla's Javascript variant exposed the non-standard __count__, but it has been removed with version 1.8.5.
For cross-browser scripting you're stuck with explicitly iterating over the pro...
Google Chrome display JSON AJAX response as tree and not as a plain text
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Totally glossed over the "Preview" tab and was looking at the "Response" tab. Thanks!
– Ted Naleid
Jan 24 '12 at 19:47
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Legality of COW std::string implementation in C++11
It had been my understanding that copy-on-write is not a viable way to implement a conforming std::string in C++11, but when it came up in discussion recently I found myself unable to directly support that statement.
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Why do enum permissions often have 0, 1, 2, 4 values?
Why are people always using enum values like 0, 1, 2, 4, 8 and not 0, 1, 2, 3, 4 ?
7 Answers
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Parallelize Bash script with maximum number of processes
...ution. Except, since I'm paranoid, I always like to use find [...] -print0 and xargs -0.
– amphetamachine
Mar 22 '10 at 2:31
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How to start a background process in Python?
...rocess module provides more powerful facilities for spawning new processes and retrieving their results; using that module is preferable to using these functions.)
If you want your process to start in the background you can either use system() and call it in the same way your shell script did, o...
Programmatically get the cache line size?
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@android : I use fedora-18 x64 machine with core-i5 processor. cat /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size returns 64 in my system. Same for index1,2,3 folders also.
– Abid Rahman ...
Difference between Node object and Element object?
I am totally confused between Node object and Element object.
document.getElementById() returns Element object while document.getElementsByClassName()
returns NodeList object(Collection of Elements or Nodes?)
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Tooltip on image
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You can use the standard HTML title attribute of image for this:
<img src="source of image" alt="alternative text" title="this will be displayed as a tooltip"/>
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CSS Selector for
...eir type? I have a disabled class I use on various disabled form elements, and I'm setting the background color for text boxes, but I don't want my checkboxes to get that color.
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