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Optional Parameters with C++ Macros
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Wow, I don't know if this works, but it's at least very creative!
– Limited Atonement
Feb 23 '15 at 19:49
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Is it possible to implement dynamic getters/setters in JavaScript?
...and get right. More importantly, I have also found it to be quite slow (at least in relation to how optimized JavaScript tends to be nowadays) - I'm talking in the realm of deca-multiples slower.)
To implement dynamically created getters and setters specifically, you can use Object.defineProperty()...
Add 10 seconds to a Date
... = d.add(10, 'seconds');
22,549 Ops/sec, 100% slower
So maybe its the least human readable (not that bad) but the fastest way of going :)
jspref online tests
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How do I get a platform-dependent new line character?
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this doesn't work, at least, with a string going in to a log4j statement. Creating an example with a newline at the end is potentially hiding the problem. Also, the String s2 is just confusing using '%%n'
– Stealth Rabbi
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Extracting text OpenCV
...ro(maskROI)/(rect.width*rect.height);
if (r > .45 /* assume at least 45% of the area is filled if it contains text */
&&
(rect.height > 8 && rect.width > 8) /* constraints on region size */
/* these two conditions alone are not v...
Ruby on Rails: How can I revert a migration with rake db:migrate?
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At least for rails 3.0.20, the first command is wrong. A single rake db:migrate:down aborts with the error message "VERSION is required". The recommended rake db:rollback however works.
– martin
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Pretty-print a Map in Java
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If you're going to necro a question, at least answer it correctly! You're missing the quotes around the value and it should be joined using ,
– AjahnCharles
Sep 14 '17 at 15:29
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How to use find command to find all files with extensions from list?
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if you could at least explain differencies with other answers.
– el-teedee
May 1 '19 at 21:50
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How can I check if string contains characters & whitespace, not just whitespace?
... string to see if there's only whitespace, just check to see if there's at least one character of non whitespace:
if (/\S/.test(myString)) {
// string is not empty and not just whitespace
}
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What modern C++ libraries should be in my toolbox? [closed]
...st.Thread
Testing: Boost.Test
Build tools: Boost.Build, SCons
(Should at least get you started)
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