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What is the difference between require() and library()?
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There's not much of one in everyday work.
However, according to the documentation for both functions (accessed by putting a ? before the function name and hitting enter), require is used inside functions, as it outputs a warning and continues i...
How to move/rename a file using an Ansible task on a remote system
...use removes: /path/to/foo and creates: /path/to/bar. @Fonant already mentioned this as comment on another answer, but as this is the accepted one, I want to point it out again.
– Michael Trojanek
Sep 11 '17 at 16:10
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Biggest GWT Pitfalls? [closed]
...beginning/middle of a project that we chose to implement using GWT. Has anyone encountered any major pitfalls in using GWT (and GWT-EXT) that were unable to be overcome? How about from a performance perspective?
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Correct file permissions for WordPress [closed]
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Kornel gives one such authoritative link below. See also codex.wordpress.org/Changing_File_Permissions, Apache's doc httpd.apache.org/docs/2.2/misc/security_tips.html, and pretty much any google search on the topic. But in the general cas...
What is the difference between HAVING and WHERE in SQL?
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Number one difference for me: if HAVING was removed from the SQL language then life would go on more or less as before. Certainly, a minority queries would need to be rewritten using a derived table, CTE, etc but they would arguably...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
...ror. Numerous configurations of the slf4j-api and logback were tested but none seem to work.
10 Answers
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How do I use $scope.$watch and $scope.$apply in AngularJS?
... to the first input, and we have $scope.pass, which is bound to the second one. Doing this we add two $watches to the $watch list.
When our template is loaded, AKA in the linking phase, the compiler will look for every directive and creates all the $watches that are needed.
AngularJS provides $watch...
How to deal with “java.lang.OutOfMemoryError: Java heap space” error?
...amount of memory you need or to reduce the amount of memory you are using. One common mistake with garbage collected languages such as Java or C# is to keep around references to objects that you no longer are using, or allocating many objects when you could reuse them instead. As long as objects hav...
What is the difference between visibility:hidden and display:none?
The CSS rules visibility:hidden and display:none both result in the element not being visible. Are these synonyms?
18 A...
Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
I'm having a bit of a strange problem. I'm trying to add a foreign key to one table that references another, but it is failing for some reason. With my limited knowledge of MySQL, the only thing that could possibly be suspect is that there is a foreign key on a different table referencing the one I ...