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How do I get a platform-dependent new line character?
...ddition to the line.separator property, if you are using java 1.5 or later and the String.format (or other formatting methods) you can use %n as in
Calendar c = ...;
String s = String.format("Duke's Birthday: %1$tm %1$te,%1$tY%n", c);
//Note `%n` at end of line ^^
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How to create ENUM type in SQLite?
... DEFAULT '0'
)
This will limit the pType column to just the values M, R, and H, just
like enum("M", "R", "H") would do in some other SQL engines.
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Java time-based map/cache with expiring keys [closed]
Do any of you know of a Java Map or similar standard data store that automatically purges entries after a given timeout? This means aging, where the old expired entries “age-out” automatically.
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bind event only once
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If you can apply it, probably want to take a look at event.preventDefault and event.stopPropagation
OR unbind and bind each time, within your method like
function someMethod()
{
$(obj).off('click').on('click', function(e) {
// put your logic in here
});
}
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PHP - Get key name of array value
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If you have a value and want to find the key, use array_search() like this:
$arr = array ('first' => 'a', 'second' => 'b', );
$key = array_search ('a', $arr);
$key will now contain the key for value 'a' (that is, 'first').
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Why does JQuery have dollar signs everywhere?
...Query); // "true"
If you don't want to use the alias, you don't have to. And if you want $ to not be an alias for jQuery, you can use noConflict and the library will restore $ to whatever it was before jQuery took it over. (Useful if you also use Prototype or MooTools.)
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.htm vs .html ? Which file extension naming is more correct? [closed]
Which file extension should I choose for my HTML files? And why?
12 Answers
12
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cv2.imshow command doesn't work properly in opencv-python
...e code created a window of the correct name, but its content is just blank and doesn't show the image:
15 Answers
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Python add item to the tuple
...new = a + b instead of new = a + (b,). AFAICT, works the same in python3 and python2.7.
– ILMostro_7
Jun 15 '18 at 11:42
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Google access token expiration time
...ve a look at: https://developers.google.com/accounts/docs/OAuth2UserAgent#handlingtheresponse
It says:
Other parameters included in the response include expires_in and
token_type. These parameters describe the lifetime of the token in
seconds...
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