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PHP best way to MD5 multi-dimensional array?
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Serialize is soooooooo much slower than json_encode from second answer. Do your server a pleasure and use json_encode! :)
– s3m3n
May 5 '13 at 17:19
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Once upon a time, when > was faster than < … Wait, what?
...t's really great, trust me. The topic I am currently at is Z-buffer. Aside from explaining what's it all about, the author mentions that we can perform custom depth tests, such as GL_LESS, GL_ALWAYS, etc. He also explains that the actual meaning of depth values (which is top and which isn't) can als...
Passing a 2D array to a C++ function
...nt by decay process_2d_array_pointer(a).
Variable Size
These are inherited from C but are less safe, the compiler has no way of checking, guaranteeing that the caller is passing the required dimensions. The function only banks on what the caller passes in as the dimension(s). These are more flexible...
Using do block vs braces {}
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I used the Weirich style for years, but just moved away from this to always use braces. I don't remember to ever have used the info from the block style, and the definition is kinda vague. For example:
date = Timecop.freeze(1.year.ago) { format_date(Time.now) }
customer = Timecop...
Canary release strategy vs. Blue/Green
... environment is created. Once the new
environment is tested, it takes over from the old version. The old
environment can then be turned off.
A/B Testing - Two versions of an application are running at the same time. A portion of requests go to each. Developers can then compare the versions.
C...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
...e caveats:
Let's use a real-world example I faced today: renaming a model from 'Merchant' to 'Business.'
Don't forget to change the names of dependent tables and models in
the same migration. I changed my Merchant and MerchantStat models to Business and BusinessStat at the same time. Otherwise I'...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...nd. I did as above and it worked. I then unplugged my (FTDI) serial device from the USB and afterwards it produced the error that you described.
– Warpspace
Jan 29 '19 at 8:30
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Is GridFS fast and reliable enough for production?
...le. It doesn't matter if the image is lost since we will download it again from the merchants website. Pragmatically, we could consider that our server is a simple image cache server.
– Manu Eidenberger
May 12 '11 at 21:17
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How does git compute file hashes?
...object is hashed. I am not certain of the algorithm and parameters however from my observation it probably computes a hash based on all the blobs and trees (their hashes probably) it contains
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In C# what is the difference between a destructor and a Finalize method in a class?
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At least from working with Mono, C# is actually modeled after C++, and most native C# objects are C++ objects. The way the compiler that compiled Mono works dictates how those C++ objects are destructed, and likewise, how C# object f...