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Why is quicksort better than mergesort?
...esign. However, other things – such as locality of reference (i.e. do we read lots of elements which are probably in cache?) – also play an important role on current hardware. Quicksort in particular requires little additional space and exhibits good cache locality, and this makes it faster than...
How to calculate md5 hash of a file using javascript
...plementations of the MD5 algorithm, older browsers are generally unable to read files from the local filesystem.
I wrote that in 2009. So what about new browsers?
With a browser that supports the FileAPI, you *can * read the contents of a file - the user has to have selected it, either with an <...
git: fatal: Could not read from remote repository
I am trying to set git up with http://danielmiessler.com/study/git/#website to manage my site.
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dd: How to calculate optimal blocksize? [closed]
...
(Note: The unit of the transfer rates will vary by OS)
To test optimal read block size, you could use more or less the same process,
but instead of reading from /dev/zero and writing to the disk, you'd read from
the disk and write to /dev/null. A script to do this might look like so:
dd_ibs_tes...
Get Image Height and Width as integer values?
...Make sure that:
You specify the correct image path there
The image has read access
Chmod image dir to 755
Also try to prefix path with $_SERVER["DOCUMENT_ROOT"], this helps sometimes when you are not able to read files.
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Mocking python function based on input arguments
...tion to something else? (i know, i know, it is pretty simple, but improves readability the fact that function name and param name are different :)
– Juan Antonio Gomez Moriano
Apr 23 '13 at 6:21
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Database sharding vs partitioning
I have been reading about scalable architectures recently. In that context, two words that keep on showing up with regards to databases are sharding and partitioning . I looked up descriptions but still ended up confused.
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Creating a JavaScript cookie on a domain and reading it across sub domains
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Config Error: This configuration section cannot be used at this path
...gation from the root of IIS:
You can then control each of machine-level read/write permissions, which will otherwise give you the overrideMode="Deny" errors.
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Get data from fs.readFile
...way, rather it executes when the file loading has completed. When you call readFile, control is returned immediately and the next line of code is executed. So when you call console.log, your callback has not yet been invoked, and this content has not yet been set. Welcome to asynchronous programming...