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Predicate in Java
...'m assuming you're talking about com.google.common.base.Predicate<T> from Guava.
From the API:
Determines a true or false value for a given input. For example, a RegexPredicate might implement Predicate<String>, and return true for any string that matches its given regular expressio...
c#: getter/setter
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@barlop as someone coming from google, with no clue, what needs to be updated? Is M. Hassans answer what you mean? thanks.
– Aethenosity
Feb 7 '19 at 7:17
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String.format() to format double in java
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code extracted from this link ;
Double amount = new Double(345987.246);
NumberFormat numberFormatter;
String amountOut;
numberFormatter = NumberFormat.getNumberInstance(currentLocale);
amountOut = numberFormatter.format(amount);
System.ou...
Show loading image while $.ajax is performed
...ax object's beforeSend and complete functions. It's better to show the gif from inside beforeSend so that all the behavior is encapsulated in a single object. Be careful about hiding the gif using the success function. If the request fails, you'll probably still want to hide the gif. To do this use ...
Creating an official github mirror
.... GitHub then configures an existing repository as such a mirror and pulls from it in an interval that is a function of the number of overall mirrors they have.
EDIT: as Stuart points out, GitHub no longer accepts requests for mirroring arbitrary repositories. The only remaining option is the solu...
Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
...ght understand. Here is the more technical version.
BCNF acts differently from 3NF only when there are multiple overlapping candidate keys.
The reason is that the functional dependency X -> Y is of course true if Y is a subset of X. So in any table that has only one candidate key and is in 3...
Padding or margin value in pixels as integer using jQuery
... method actually returns the "px" suffix or not, however the JSizes plugin from the other answer (which I ended up using) returns an integer when the return value is passed into ParseInt(...), just FYI.
– Dan Herbert
Aug 31 '09 at 19:31
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Does Git warn me if a shorthand commit ID can refer to 2 different commits?
...known revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
I just tested this on a real Git repository, by finding commits with duplicate prefixes like this:
git rev-list master | cut -c-4 ...
The character encoding of the HTML document was not declared
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You have to change the file from .html to .php.
and add this following line
header('Content-Type: text/html; charset=utf-8');
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Python memory usage of numpy arrays
...r numpy arrays, for example:
>>> import numpy as np
>>> from sys import getsizeof
>>> a = [0] * 1024
>>> b = np.array(a)
>>> getsizeof(a)
8264
>>> b.nbytes
8192
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