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How many classes should I put in one file? [closed]
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A Python file is called a "module" and it's one way to organize your software so that it makes "sense". Another is a directory, called a "package".
A module is a distinct thing that may have one or two dozen closely-related classes. The tri...
How to use wait and notify in Java without IllegalMonitorStateException?
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To be able to call notify() you need to synchronize on the same object.
synchronized (someObject) {
someObject.wait();
}
/* different thread / object */
synchronized (someObject) {
someObject.notify();
}
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How to name factory like methods?
...uess that most factory-like methods start with create . But why are they called " create "? Why not " make ", " produce ", " build ", " generate " or something else? Is it only a matter of taste? A convention? Or is there a special meaning in "create"?
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How do I programmatically change file permissions?
In Java, I'm dynamically creating a set of files and I'd like to change the file permissions on these files on a linux/unix file system. I'd like to be able to execute the Java equivalent of chmod . Is that possible Java 5? If so, how?
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mongodb find by multiple array items
...o 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”
...w.getContext(): Returns the context the view is currently running in. Usually the currently active Activity.
Activity.getApplicationContext(): Returns the context for the entire application (the process all the Activities are running inside
of). Use this instead of the current Activity context i...
Check if a value is in an array (C#)
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@Sami: Linq uses loops internally.
– user195488
Nov 6 '12 at 19:22
2
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How to list empty folders in linux
In Linux how do I check all folders in a directory and output the name of all directories that are empty to a list.
1 Answe...
creating a strikethrough text?
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it really works, but can i change its properities i mean its size, its color something like that
– nawfal cuteberg
Mar 20 '12 at 12:35
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Maven artifact and groupId naming
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reverse-domain-packages for groupId (since such are quite unique) with all the constrains regarding Java packages names
project name as artifactId (keeping in mind that it should be jar-name friendly i.e. not contain characters that maybe invalid for a file name or just look weird)
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