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Sequelize.js delete query?
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Model.destroy({
where: {
// criteria
}
})
Sequelize Documentation - Sequelize Tutorial
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Get the Highlighted/Selected text
...d by involving jQuery since you need nothing other than the window and document objects.
function getSelectionText() {
var text = "";
if (window.getSelection) {
text = window.getSelection().toString();
} else if (document.selection && document.selection.type != "Control"...
How to iterate over a JSONObject?
...();
if (jsonObject.get(key) instanceof JSONObject) {
// do something with jsonObject here
}
}
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Java array reflection: isArray vs. instanceof
...s type before downcasting to a particular type which is known at compile time. For example, perhaps you wrote some code that can work with a Integer[] or an int[]. You'd want to guard your casts with instanceof:
if (obj instanceof Integer[]) {
Integer[] array = (Integer[]) obj;
/* Use the b...
Submitting a form on 'Enter' with jQuery?
...nt.preventDefault() vs. return false
Essentially, "return false" is the same as calling e.preventDefault and e.stopPropagation().
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Is the primary key automatically indexed in MySQL?
...dex, or is it implicit when defining the primary key? Is the answer the same for MyISAM and InnoDB?
9 Answers
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How to stop Visual Studio from “always” checking out solution files?
For apparently no reason, every time I open my solution, Visual Studio checks the sln file out.
8 Answers
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How to escape the % (percent) sign in C's printf?
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@Pablo Santa Cruz: this method to "escape" % is specific to printf, correct?
– Lazer
Mar 27 '10 at 12:20
10
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How to remove duplicate white spaces in string using Java?
...ll("\\s+", " "));
outputs
lorem ipsum dolor sit.
What does that \s+ mean?
\s+ is a regular expression. \s matches a space, tab, new line, carriage return, form feed or vertical tab, and + says "one or more of those". Thus the above code will collapse all "whitespace substrings" longer than o...
Find which version of package is installed with pip
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As of pip 1.3, there is a pip show command.
$ pip show Jinja2
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Name: Jinja2
Version: 2.7.3
Location: /path/to/virtualenv/lib/python2.7/site-packages
Requires: markupsafe
In older versions, pip freeze and grep should do the job nicely.
$ pip freeze | grep Jinja2
Jinja2==2.7.3
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