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Join vs. sub-query
...old-school MySQL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why.
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Libraries do not get added to APK anymore after upgrade to ADT 22
...ate
Libraries' is not always checked. And the android-support-v4.jar is now in
this 'Android Private Libraries' section.
To fix this, go to 'Order and Export' and check 'Android Private
Libraries'. Then refresh/clean/rebuild.
After you done this 'fix' for a library project, you ...
What is non-blocking or asynchronous I/O in Node.js?
... second queue and the main thread will continue running (it doesn't wait). Now when the DB operation completes and returns, the corresponding callback pulled out of the second queue and queued in a third queue where they are pending execution. When the engine gets a chance to execute something else ...
Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
...ing means, but using the function the warning stays there. I have it right now on a $name = filter_input(INPUT_POST, $_POST["name"]);.
– stenci
Dec 19 '13 at 4:05
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Why is using 'eval' a bad practice?
...ad design than division by zero or attempting to import a module which is known not to exist. eval isn't insecure. Applications are insecure.
– S.Lott
Dec 2 '09 at 17:38
17
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Can't escape the backslash with regex?
...eta characters. Take for example, finding a backslash followed by a digit. Now you'd be staring at the following expression trying to figure out what's going on: new RegExp('\\\\\\d');.
– jabacchetta
May 27 '18 at 18:04
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When should I use double instead of decimal?
..., try reading the oft-quoted article What Every Computer Scientist Should Know About Floating-Point Arithmetic.
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How to get the text node of an element?
...eType === Node.TEXT_NODE. This comparison is occurring within a loop of unknown possible iterations. Comparing two small numbers is better than comparing strings of various lengths (time and space considerations). The correct question to ask in this situation is "what kind / type of node do I have?"...
Set Colorbar Range in matplotlib
...n will scale the colours so that what used to represent the value 1.0 will now represent the max value in my data. The colorbar will show 0..1 as I need it (with vmin=0, vmax=1), but everything above this max value will be the same colour...
– Paul
Jul 30 '10 a...
Efficiency of premature return in a function
...rogrammer cannot decide what is better a priori unless he has an intimate knowledge of the CPU architecture.
– fortran
Oct 25 '11 at 9:26
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