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I need to store postal codes in a database. How big should the column be?

...hat when clients are retrieving data from the database, they are generally allocating memory based on the maximum size of the data that will be fetched, not the actual length of a given row. Probably not a huge deal in this specific case, but 40 bytes per row could be a decent chunk of RAM for some...
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Differences and relationship between glActiveTexture and glBindTexture

...texture, but they do not technically change its state. The Image functions allocate texture storage and set the texture's format; the SubImage functions just copy pixels around. That is not considered the texture's state. Allow me to repeat: these are the only functions that modify texture state. g...
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Why does document.querySelectorAll return a StaticNodeList rather than a real Array?

...erp a hint on how long the array's going to end up. That could allow it to allocate that amount of space in advance, which would potentially result in a speedup as some memory reallocations could be avoided as the array grows. I don't know if it actually helps in modern browsers though... I would su...
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How do I enable MSDTC on SQL Server?

...ain range using the keys as described in How to configure RPC dynamic port allocation to work with firewalls. In my experience, if the DTCPing is able to setup a DTC connection initiated from the client and initiated from the server, your transactions are not the problem any more. ...
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Getting current device language in iOS?

...ntire language name from the preferredLocalization, you can use [[NSLocale alloc] initWithLocaleIdentifier:language] (from above). Then you have the locale and can call displayNameForKey. – Vanessa Forney Jan 18 '18 at 9:59 ...
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What __init__ and self do on Python?

...elf._y = y The __init__ method gets called when memory for the object is allocated: x = Point(1,2) It is important to use the self parameter inside an object's method if you want to persist the value with the object. If, for instance, you implement the __init__ method like this: class Point: ...
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GPU Emulator for CUDA programming without the hardware [closed]

...memory are properly synchronized, and global memory dereferencing accesses allocated regions of memory. We have also implemented a command-line interactive debugger inspired largely by gdb to single-step through CUDA kernels, set breakpoints and watchpoints, etc... These tools were specifically deve...
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Eclipse returns error message “Java was started but returned exit code = 1”

...ms value (for instance, the bat file is on a read-only shared drive), then allocate more memory to the VM. Seems obvious but I overlooked this for an hour. – Skurfur Jul 19 '17 at 3:46 ...
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Generating a random & unique 8 character string using MySQL

...9f2a7baf3 => eccbc87e etc. caveat: I have no idea how many you could allocate before a collision (but it would be a known and constant value). edit: This is now an old answer, but I saw it again with time on my hands, so, from observation... Chance of all numbers = 2.35% Chance of all lette...
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How do I use Java to read from a file that is actively being written to?

...fc = in.getChannel(); java.nio.ByteBuffer bb = java.nio.ByteBuffer.allocate(10); while(fc.read(bb) >= 0) { bb.flip(); while(bb.hasRemaining()) { System.out.println((char)bb.get()); } bb.clear(); } Sy...