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What columns generally make good indexes?
...hem to optimise queries in my database? " where I am attempting to learn about indexes, what columns are good index candidates? Specifically for an MS SQL database?
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UTF-8, UTF-16, and UTF-32
... Well, UTF-8 has an advantage in network transfers - no need to worry about endianness since you're transfering data one byte at a time (as opposed to 4).
– Tim Čas
Dec 31 '11 at 14:20
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Does MySQL included with MAMP not include a config file?
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The MySQL server of MAMP (not PRO) will be started without any my.cnf file. But you can create your own my.cnf file.
Stop servers
Create a my.cnf file in /Applications/MAMP/conf/
Add your content in to my.cnf
Save my.cnf
Start servers
You do not have to put a complete configu...
Difference between string and char[] types in C++
...);
C++ strings can contain embedded \0 characters, know their length without counting, are faster than heap-allocated char arrays for short texts and protect you from buffer overruns. Plus they're more readable and easier to use.
However, C++ strings are not (very) suitable for usage across DLL...
ACE vs Boost vs POCO [closed]
...se POCO because it has some advantages for my situation. The good things about POCO IMO:
Better thread library, especially a Active Method implementation. I also like the fact that you can set the thread priority.
More comprehensive network library than boost::asio. However boost::asio is also a v...
Best practice for instantiating a new Android Fragment
...onstruction, and guarantees that these will be retained.
EDIT: As pointed out in the comments by @JHH, if you are providing a custom constructor that requires some arguments, then Java won't provide your fragment with a no arg default constructor. So this would require you to define a no arg constr...
Determine command line working directory when running node bin script
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Watch out, $INIT_CWD only works on Linux. For Windows, you'll have to use %INIT_CWD%. I think this issue can be overcome by using npmjs.com/package/cross-env , but I haven't tried it myself
– Stephanie
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What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode
...y app they currently had would just stop working until newer versions came out which simply isn't true.
– Mark A. Donohoe
Feb 13 '19 at 20:37
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Docker - a way to give access to a host USB or serial device?
.... You can use the --device flag that use can use to access USB devices without --privileged mode:
docker run -t -i --device=/dev/ttyUSB0 ubuntu bash
Alternatively, assuming your USB device is available with drivers working, etc. on the host in /dev/bus/usb, you can mount this in the container usi...
Difference between jQuery’s .hide() and setting CSS to display: none
Which am I better off doing? .hide() is quicker than writing out .css("display", "none") , but what’s the difference and what are both of them actually doing to the HTML element?
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