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How to check if std::map contains a key without doing insert?
... Not true. It's not premature if it makes the code easier to read or eliminates unnecessary overhead. In this case, if count() is implemented via find() anyway, then calling find() directly eliminates a function call... ergo, it's mature optimization. I find that using the find() call ...
How do different retention policies affect my annotations?
...ss file by the compiler and retained by the VM at run time, so they may be read reflectively.
SOURCE
：Annotations are to be discarded by the compiler.
Oracle Doc
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JBoss vs Tomcat again [closed]
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First the facts, neither is better. As you already mentioned, Tomcat provides a servlet container that supports the Servlet specification (Tomcat 7 supports Servlet 3.0). JBoss AS, a 'complete' application server supports Java EE 6 (including Servlet 3.0) in its current...
Write to UTF-8 file in Python
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Read the following: http://docs.python.org/library/codecs.html#module-encodings.utf_8_sig
Do this
with codecs.open("test_output", "w", "utf-8-sig") as temp:
temp.write("hi mom\n")
temp.write(u"This has ♭")
The...
Slowing speed of Viewpager controller in android
... duration of fling controlled by mScroller object.
In documantation we may read:
The duration of the scroll can be passed in the constructor and specifies the maximum time that the scrolling animation should take
So, if you want to control speed, you may change mScroller object via reflection....
How do I correctly clean up a Python object?
...the application run. (I may be mistaken about all this though, I'd have to read the gc docs again, but I'm rather sure it works like this).
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Async/Await vs Threads
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can it completely replace the old way of using Threads ?
No. A thread can do many more useful things. Await is specifically designed to deal with something taking time, most typically an I/O request. Which traditionally was done with a callback when the I/O request was...
Split string with delimiters in C
...Stack Overflow for this, aren't there some caveats with respect to multi-threading using strtok?
– Peter Mortensen
Dec 29 '13 at 22:17
3
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Trigger a button click with JavaScript on the Enter key in a text box
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Dudes! Read his entire question. There's already another submit button on the page, so this wouldn't work for him.
– skybondsor
Jun 11 '14 at 16:56
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Loading Backbone and Underscore using RequireJS
...D support
'templates': '../templates'
}
});
require([
'domReady', // optional, using RequireJS domReady plugin
'app'
], function(domReady, app){
domReady(function () {
app.initialize();
});
});
The modules are properly registered and there is no need for the or...