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How do you sort an array on multiple columns?
...[A, 5], [A, 10], [J, 5], [J, 15]]. It sorts by the first attribute first, and if those are the same, then it sorts by the second attribute. So in your example, A would come before J. In the case where A is the same for two elements, then it would use the second attribute. So For [A,10], [A,5], 5 ...
Service Temporarily Unavailable Magento?
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Check if there is a file called maintenance.flag and if so delete it.
Magento 1.x : maintenance.flag file is in : magento root directory
Magento 2.x : maintenance.flag file is in : var folder
When Magento is performing certain tasks it temporarily creates this...
Slow Requests on Local Flask Server
Just starting to play around with Flask on a local server and I'm noticing the request/response times are way slower than I feel they should be.
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How to write a large buffer into a binary file in C++, fast?
I'm trying to write huge amounts of data onto my SSD(solid state drive). And by huge amounts I mean 80GB.
12 Answers
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What is bootstrapping?
...ioned in discussions of application development. It seems both widespread and important, but I've yet to come across even a poor explanation of what bootstrapping actually is; rather, it seems as though everyone is just supposed to know what it means. I don't, though. Near as I can figure, it has...
Platform independent size_t Format specifiers in c?
...t), l (for long), ll (for long long), j (for intmax_t), t (for ptrdiff_t), and L (for long double). See §7.19.6.1 (7) of the C99 standard.
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Format a Go string without printing?
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does letter after % matter? Could it be %y and %q ? or %y and %y
– Filip Bartuzi
Mar 28 '17 at 14:11
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Is there a way to cache GitHub credentials for pushing commits?
...chronizing my repositories to https:// on GitHub (due to firewall issues), and it asks for a password every time.
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What is the correct file extension for GLSL shaders? [closed]
I'm learning glsl shading and I've come across different file formats. I've seen people giving their vertex and fragment shaders .vert and .frag extensions. But I've also seen .vsh and .fsh extensions, and even both shaders together in a single .glsl file. So I'm wondering if there is a st...
Java NIO FileChannel versus FileOutputstream performance / usefulness
... nio FileChannel versus normal FileInputStream/FileOuputStream to read and write files to filesystem. I observed that on my machine both perform at the same level, also many times the FileChannel way is slower. Can I please know more details comparing these two methods. Here is the code I used...