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How does variable assignment work in JavaScript?
..., will modify the object that a points to. This, of course, also modifies all other references that point to this object simply because they all point to the same object.
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JavaScript moving element in the DOM
...he fact that getElementsByTagName returns a live NodeList that is automatically updated to reflect the order of the elements in the DOM as they are manipulated.
You could also use:
var divs = document.getElementsByTagName("div"); // order: first, second, third
divs[0].parentNode.appendChild(divs...
Check if a string has white space
... "/" characters are sufficient.
/^\s+$/ is checking whether the string is ALL whitespace:
^ matches the start of the string.
\s+ means at least 1, possibly more, spaces.
$ matches the end of the string.
Try replacing the regex with /\s/ (and no quotes)
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What's the difference between nohup and ampersand
... doesn't (except the shell is confgured that way or doesn't send SIGHUP at all).
Normally, when running a command using & and exiting the shell afterwards, the shell will terminate the sub-command with the hangup signal (kill -SIGHUP <pid>). This can be prevented using nohup, as it catche...
How can I add a help method to a shell script?
... into a shell script? I would like to display a help message when a user calls myscript.sh -h .
6 Answers
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Why is JavaScript called JavaScript, since it has nothing to do with Java? [closed]
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JavaScript, was originally named Mocha, later it was renamed to LiveScript, and then to JavaScript.
The LiveScript to JavaScript name change came because Netscape and Sun did a license agreement.
The language was then submitted for standarizatio...
'IF' in 'SELECT' statement - choose output value based on column values
...tp://dev.mysql.com/doc/refman/5.0/en/control-flow-functions.html.
Additionally, you could handle when the condition is null. In the case of a null amount:
SELECT id,
IF(type = 'P', IFNULL(amount,0), IFNULL(amount,0) * -1) as amount
FROM report
The part IFNULL(amount,0) means when amount ...
How do I remove all non-ASCII characters with regex and Notepad++?
...
Be sure to tick off "Wrap around" if you want to loop in the document for all non-ASCII characters.
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How can I generate a list or array of sequential integers in Java?
...me functionality, in particular implementing Iterable<Integer> which allows foreach implementation in the same way as List<Integer>.
In older versions (somewhere before Guava 14) you could use this:
ImmutableList<Integer> integerList = Ranges.closedOpen(0, 10).asSet(DiscreteDomai...
What's the best way to limit text length of EditText in Android
...d:maxLength is equivalent to InputFilter.LengthFilter, so when programmatically changing it's filter, you have modified its XML filter as well.
– mr5
Aug 1 '15 at 3:00
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