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What is the difference between procedural programming and functional programming? [closed]
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How to add an image to a JPanel?
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Here's how I do it (with a little more info on how to load an image):
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import java...
Coding Practices which enable the compiler/optimizer to make a faster program
... Don't get me wrong, I like using restrict, but I like not needing it even more.
– celion
Mar 25 '10 at 7:25
You've ju...
What is the difference between POST and GET? [duplicate]
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HTTP/1.1 specification (RFC 2616) section 9 Method Definitions contains more information on GET and POST as well as the other HTTP methods, if you are interested.
In addition to explaining the intended uses of each method, the spec also provides at least one practical reason for why GET should o...
Precision String Format Specifier In Swift
... This is unnecessarily complicated. realityone's answer works and is much more concise.
– Steven Marlowe
Dec 20 '14 at 5:41
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What is the rationale for all comparisons returning false for IEEE754 NaN values?
...oint arithmetic.
Addendum:
Many commenters have argued that it would be more useful to preserve reflexivity of equality and trichotomy on the grounds that adopting NaN != NaN doesn’t seem to preserve any familiar axiom. I confess to having some sympathy for this viewpoint, so I thought I would...
Efficient way to apply multiple filters to pandas DataFrame or Series
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Pandas (and numpy) allow for boolean indexing, which will be much more efficient:
In [11]: df.loc[df['col1'] >= 1, 'col1']
Out[11]:
1 1
2 2
Name: col1
In [12]: df[df['col1'] >= 1]
Out[12]:
col1 col2
1 1 11
2 2 12
In [13]: df[(df['col1'] >= 1) & (df[...
What is the difference between RegExp’s exec() function and String’s match() function?
...'/a/b/c/d')) {
// match is now the next match, in array form.
}
// No more matches.
String.match does this for you and discards the captured groups.
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What's the difference between Spring Data's MongoTemplate and MongoRepository?
...ul to use" are contradicting goals to some degree. Repositories are by far more convenient than templates but the latter of course give you more fine-grained control over what to execute.
As the repository programming model is available for multiple Spring Data modules, you'll find more in-depth do...