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Disable browser's back button
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note that the URL changes twice: We only do this in order to disguise the implementation, so nobody will see that we added "1". So actually when the user clicks back, the page re-adds the "#1" for a moment and removes it again. BTW - it doesn't have to be "1", it can be any st...
Why is it not possible to extend annotations in Java?
... enum AnnotationCategory {
GENERAL,
SEMANTICS,
VALIDATION,
ETC
}
@Category(category={AnnotationCategory.GENERAL, AnnotationCategory.SEMANTICS})
public @interface FooBarAnnotation {
}
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Incrementing in C++ - When to use x++ or ++x?
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@BeowulfOF: The answer implies an order which doesn't exist. There is nothing in the standard to say when the increments take place. The compiler is entitled to implement "x += i++" as: int j = i; i=i+1 ; x += j;" (ie. 'i' incremented before "processing th...
Why do we need to install gulp globally and locally?
...dencies": {
"gulp": "3.5.2"
}
"scripts": {
"test": "gulp test"
}
etc. and running with npm run test then you shouldn't need the global install at all.
Both methods are useful for getting people set up with your project since sudo isn't needed. It also means that gulp will be updated when ...
JVM option -Xss - What does it do exactly?
...he stack is used to hold return addresses, function/method call arguments, etc. So if a thread tends to process large structures via recursive algorithms, it may need a large stack for all those return addresses and such. With the Sun JVM, you can set that size via that parameter.
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“No X11 DISPLAY variable” - what does it mean?
...aphical environment, try export DISPLAY=:0 for bash like shells (bash, sh, etc) or setenv DISPLAY :0 for C shell based shells (csh, tcsh, etc)
If you've connected from another machine via SSH, you use the -X option to display the graphical interface on the machine you're sitting at (provided there'...
How can I use goto in Javascript?
...e limitations to this preprocessing process, because while loops cannot stretch across multiple functions or blocks. That's not a big deal, though—I'm sure the benefits of being able to take advantage of goto in JavaScript will absolutely overwhelm you.
All above link that lead to goto.js library ...
How to output messages to the Eclipse console when developing for Android
...methods depending on the severity of the message (error, verbose, warning, etc..).
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Difference between static STATIC_URL and STATIC_ROOT on Django
...com/static/. now you only need to serve this directory on apache or nginx..etc.
STATIC_URL
The URL of which the static files in STATIC_ROOT directory are served(by Apache or nginx..etc).
Example: /static/ or http://static.example.com/
If you set STATIC_URL = 'http://static.example.com/', t...
Double vs. BigDecimal?
...ouble). 1/3 could be exactly expressed in base 3, base 6, base 9, base 12, etc. and 1/7 could be expressed exactly in base 7, base 14, base 21, etc. BigDecimal advantages are that it is arbitrary precision and that humans are used to the rounding errors you get in base 10.
– pr...