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Using boolean values in C
...t not make it any faster. Often, it's faster to use the processor's native word size instead of a smaller size as it could require the compiler to make bit shifts to align it properly
– Ted Klein Bergman
Jun 1 at 6:22
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What is the MySQL VARCHAR max size?
...ding to utf8mb4 in MySQL. utf8mb4 is MySql's name for what the rest of the word calls utf8.
– Stijn de Witt
May 31 '15 at 22:38
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Java: Calling a super method which calls an overridden method
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The keyword super doesn't "stick". Every method call is handled individually, so even if you got to SuperClass.method1() by calling super, that doesn't influence any other method call that you might make in the future.
That means t...
What is a domain specific language? Anybody using it? And in what way?
...e by humans, something they can type in, and make the language out of real words; for it is real people, places, and things that we are describing.
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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
... at all. Normal Java EE servers already provide JSTL out the box. In other words, you don't need to add JSTL to pom.xml nor to drop any JAR/TLD files in webapp. Solely the provided scoped Java EE coordinate is sufficient:
<dependency>
<groupId>javax</groupId>
<artifactI...
Easiest way to check for an index or a key in an array?
... dollar symbol ($) is not required, but for associative array, as key is a word, $ is required ([$i])!
Old answer for bash prior to V4.2
Unfortunately, bash give no way to make difference betwen empty and undefined variable.
But there is some ways:
$ array=()
$ array[12]="red"
$ array[51]="blac...
Last non-empty cell in a column
...ng this. Just curious, I found the exact same formulas and nearly the same wording over at exceljet.net/formula/get-value-of-last-non-empty-cell . Is that also you or someone else? There is no obvious connection.
– Solomon Rutzky
Oct 3 '16 at 22:21
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How do I ignore files in a directory in Git?
...ing description, but it would only find a match with a directory. In other words, foo/ will match a directory foo and paths underneath it, but will not match a regular file or a symbolic link foo (this is consistent with the way how pathspec works in general in git).
If the pattern does not contain ...
What in the world are Spring beans?
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An instance is merely another word for objects. When you use "object instances" aren't you saying object objects?
– Flame of udun
Oct 5 '18 at 15:50
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SQL Server - When to use Clustered vs non-Clustered Index?
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I just want to put in a word of warning: please very carefully pick your clustered index! Every "regular" data table ought to have a clustered index, since having a clustered index does indeed speed up a lot of operations - yes, speed up, even inser...