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Convert String[] to comma separated string in java
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if (name.length > 0) {
StringBuilder nameBuilder = new StringBuilder();
for (String n : name) {
nameBuilder.append("'").append(n.replace("'", "\\'")).append("',");
// can also do the following
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Scroll to bottom of div?
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This is much easier if you're using jQuery scrollTop:
$("#mydiv").scrollTop($("#mydiv")[0].scrollHeight);
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Initialise a list to a specific length in Python [duplicate]
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If the "default value" you want is immutable, @eduffy's suggestion, e.g. [0]*10, is good enough.
But if you want, say, a list of ten dicts, do not use [{}]*10 -- that would give you a list with the same initially-empty dict ...
Converting an array to a function arguments list [duplicate]
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This doesn't work if you want to call a function within an object – e.g. the following doesn't work: window.document.execCommand.apply(window,["insertHorizontalRule",false])
– adib
Oct 3 '15 at 8:10
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HttpServletRequest get JSON POST data [duplicate]
...meters in a servlet the same way:
request.getParameter("cmd");
But only if the POST data is encoded as key-value pairs of content type: "application/x-www-form-urlencoded" like when you use a standard HTML form.
If you use a different encoding schema for your post data, as in your case when you ...
Get random item from array [duplicate]
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If you don't mind picking the same item again at some other time:
$items[rand(0, count($items) - 1)];
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Using :before and :after CSS selector to insert Html [duplicate]
I'm wondering if the following is possible. I know it doesnt work, but maybe I'm not writing it in the correct syntax.
1 An...
How to return value from an asynchronous callback function? [duplicate]
...t(location); // this is where you get the return value
});
The thing is, if an inner function call is asynchronous, then all the functions 'wrapping' this call must also be asynchronous in order to 'return' a response.
If you have a lot of callbacks you might consider taking the plunge and use a ...
Unpacking a list / tuple of pairs into two lists / tuples [duplicate]
...stackoverflow.com/questions/5239856/foggy-on-asterisk-in-python is helpful if you don't know about the "splat" operator.
– dicato
Sep 26 '11 at 18:07
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How to take off line numbers in Vi?
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If you are talking about show line number command in vi/vim
you could use
set nu
in commandline mode to turn on and
set nonu
will turn off the line number display or
set nu!
to toggle off display of line ...