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Error: could not find function … in R
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How do you add a Dictionary of items into another Dictionary
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shucaoshucao
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How to get the file name from a full path using JavaScript?
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edited Nov 30 '11 at 3:45
mikeschuld
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Difference between a class and a module
...odule is a namespace, which doesn't exist in Java. In java the closest mindset to namespace is a package.
So a module in ruby is like what in java:
class? No
interface? No
abstract class? No
package? Yes (maybe)
static methods inside classes in java: same as methods inside modules in ruby
In j...
How to Validate a DateTime in C#?
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270
DateTime.TryParse
This I believe is faster and it means you dont have to use ugly try/catches ...
Is there a query language for JSON?
...have different conceptual models (hierarchic vs object/struct).
EDIT Sep-2015: Actually there is now JSON Pointer standard that allows very simple and efficient traversal of JSON content. It is not only formally specified, but also supported by many JSON libraries. So I would call it actual real us...
Detect If Browser Tab Has Focus
... having methods "blur" & "focus", and/or "blurFocus"
// (yes, you can set all 3, tho blurFocus is the only one with an 'isVisible' param)
$.winFocus({
blur: function(event) {
console.log("Blur\t\t", event);
},
focus: function(event) {
console.log("Focus\t\t", event);...
What does = +_ mean in JavaScript
...values true, false, and null.
Integers in both decimal and hexadecimal ("0x"-prefixed) formats are
supported. Negative numbers are supported (though not for hex). If it
cannot parse a particular value, it will evaluate to NaN.
It is also noted that
unary plus is the fastest and preferred...
Can pandas automatically recognize dates?
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answered Jul 4 '13 at 10:32
Rutger KassiesRutger Kassies
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Does JavaScript have a built in stringbuilder class?
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