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javascript function leading bang ! syntax
... be able to do all this simply as:
function(){
// do stuff
}();
That means declare anonymous function and execute it. But that will not work due to specifics of JS grammar.
So shortest form of achieving this is to use some expression e.g. UnaryExpression (and so CallExpression):
!function(){...
mongodb find by multiple array items
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Depends on whether you're trying to find documents where words contains both elements (text and here) using $all:
db.things.find({ words: { $all: ["text", "here"] }});
or either of them (text or here) using $in:
db.things.find({ words: { $in: ["text", "here"] }});
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Difference between getContext() , getApplicationContext() , getBaseContext() and “this”
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+CooL i3oY same with getContext
– Mikey
Nov 9 '12 at 8:38
14
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CSS Box Shadow - Top and Bottom Only [duplicate]
...o this, but how can I add a box shadow only to the top and bottom of an element?
5 Answers
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How to ignore the first line of data when processing CSV data?
...The code in my answer is based on the "example for Sniffer use" in the documentation, so I assume it's the prescribed way to do it. I agree that doing it on the basis of one line of data doesn't seem like it would always be enough data to make such a determination—but I have no idea since how the ...
Maven artifact and groupId naming
I'm currently in the process of moving some project from Ant to Maven. Conformist as I am, I want to use well-established conventions for finding groupId and artifactId , but I can't find any detailed conventions (there are some, but they don't cover the points I'm wondering about).
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How to index into a dictionary?
...u can use d.keys()[i] and d.values()[i] or d.items()[i]. (Note that these methods create a list of all keys, values or items in Python 2.x. So if you need them more then once, store the list in a variable to improve performance.)
If you do care about the order of the entries, starting with Python...
How to check if a specific key is present in a hash or not?
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Hash's key? method tells you whether a given key is present or not.
session.key?("user")
share
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improve this answer
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How to create a custom exception type in Java? [duplicate]
...for example:
class WordContainsException extends Exception
{
// Parameterless Constructor
public WordContainsException() {}
// Constructor that accepts a message
public WordContainsException(String message)
{
super(message);
}
}
Usage:
try
{
if...
Align labels in form next to input
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How do I make this work if some of the labels are check-boxes or radio buttons? The labels for these elements end up with the same fixed width as the textbox labels which is not desired. Is there a way to do this without a fixed width on the label?
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