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Sequelize.js delete query?
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243
For anyone using Sequelize version 3 and above, use:
Model.destroy({
where: {
// c...
How to sum a variable by group
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404
Using aggregate:
aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum)
Category x
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Is there any difference between “foo is None” and “foo == None”?
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edited Mar 3 '17 at 14:56
answered Aug 25 '08 at 18:38
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How do I format XML in Notepad++?
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2490
Try Plugins -> XML Tools -> Pretty Print (libXML) or (XML only - with line breaks Ctrl +...
How to make completely transparent navigation bar in iOS 7
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edited May 23 '17 at 12:34
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111 silver badge
answered Oct 11 '13 at 16:41
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PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
... a command-line processor this variable contains the script name since PHP 4.3.0. Previously it was not available.
'SCRIPT_NAME'
Contains the current script's path. This is useful for pages which need to point to themselves. The __FILE__ constant contains the full path and filenam...
What is the difference between Amazon SNS and Amazon SQS?
...plications. Messages can be stored in SQS for short duration of time (max 14 days). SNS distributes several copies of message to several subscribers. For example, lets say you want to replicate data generated by an application to several storage systems. You could use SNS and send this data to multi...
Java array reflection: isArray vs. instanceof
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204
In most cases, you should use the instanceof operator to test whether an object is an array.
Ge...
LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria
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470
Whenever you use SingleOrDefault, you clearly state that the query should result in at most a ...
QString to char* conversion
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114
Well, the Qt FAQ says:
int main(int argc, char **argv)
{
QApplication app(argc, argv);
QStri...