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In javascript, is an empty string always false as a boolean?
...this behavior:
ToBoolean
The result is false if the argument is the empty String (its length is zero);
otherwise the result is true
Quote taken from http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
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jQuery: Best practice to populate drop down?
... of the time seems like it's suboptimal, because it involves concatenating strings, which seems so not jQuery. It usually looks like this:
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PDO get the last ID inserted
...t;execute();
$LAST_ID = $this->conn->lastInsertId(); //always return string(1)=0
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if arguments is equal to this string, define a variable like this string
... I ran into issues with this when the variable on the left was an empty string. Fix was if [ "$1" = "country" ]; then.
– andrewb
Mar 20 '15 at 1:42
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How to add text inside the doughnut chart using Chart.js?
...t) {
if (chart.config.options.elements.center) {
// Get ctx from string
var ctx = chart.chart.ctx;
// Get options from the center object in options
var centerConfig = chart.config.options.elements.center;
var fontStyle = centerConfig.fontStyle || 'Arial';
var...
How can foreign key constraints be temporarily disabled using T-SQL?
...e like that can be a nightmare if the failing data is at the end of a long string of linked constraints.
– Jimoc
Oct 1 '08 at 18:44
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Match multiline text using regular expression
...end of each line (otherwise they only match at the start/end of the entire string).
Pattern.DOTALL or (?s) tells Java to allow the dot to match newline characters, too.
Second, in your case, the regex fails because you're using the matches() method which expects the regex to match the entire strin...
How to read environment variables in Scala
... you can use sys.env for the same effect:
scala> sys.env("HOME")
res0: String = /home/paradigmatic
I think is nice to use the Scala API instead of Java. There are currently several project to compile Scala to other platforms than JVM (.NET, javascript, native, etc.) Reducing the dependencies o...
How can I change the default Django date template format?
...orks only if date is provideded as a datetime object. What if it is just a string passed from the view?
– Mohammed Shareef C
Dec 13 '16 at 5:33
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Why does Java's hashCode() in String use 31 as a multiplier?
Per the Java documentation, the hash code for a String object is computed as:
13 Answers
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