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“X-UA-Compatible” content=“IE=9; IE=8; IE=7; IE=EDGE”
...his allows for much easier testing and maintenance. Although generally the more useful version of this is using Emulate:
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE8" />
For this:
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
It forces the browser the render ...
ICollection Vs List in Entity Framework
...d be a HashSet<T>, for example. (This is a mindset you could use for more than just Entity Framework, by the way. A good object-oriented practice is to program towards the interface and not the implementation. Implementations can and will change.)
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Preferred method to store PHP arrays (json_encode vs serialize)
...;=5.4 you can implement JsonSerializable to change this behavior).
JSON is more portable
And there's probably a few other differences I can't think of at the moment.
A simple speed test to compare the two
<?php
ini_set('display_errors', 1);
error_reporting(E_ALL);
// Make a big, honkin test...
How to test multiple variables against a value?
...long as the size of the tuple is around 4-8 elements. If you have to scan more than that, use a set, but if you are looking for an item out of 2-4 possibilities, a tuple is still faster! If you can arrange for the most likely case to be first in the tuple, the win is even bigger: (my test: timeit....
Scala list concatenation, ::: vs ++
... it good that one has both List idiomatic operations (like :: and :::) and more general operation that are common to other collections. I wouldn't drop either operation from the language.
– Giorgio
Oct 29 '12 at 11:00
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Should functions return null or an empty object?
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Advantage of switch over if-else statement
...d the difficulty of generating switch case chains, that mapping may become more important. (and yes, ancient comment, but the web is forever, or at least until next tuesday)
– Yakk - Adam Nevraumont
Apr 25 '13 at 15:32
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What does android:layout_weight mean?
I don't understand how to use this attribute. Can anyone tell me more about it?
13 Answers
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Regex lookahead for 'not followed by' in grep
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Negative lookahead, which is what you're after, requires a more powerful tool than the standard grep. You need a PCRE-enabled grep.
If you have GNU grep, the current version supports options -P or --perl-regexp and you can then use the regex you wanted.
If you don't have (a suffic...
How well is Unicode supported in C++11?
...ink all but the first one provide terrible support. I'll get back to it in more detail after a quick detour through your other questions.
Does std::string do what it should?
Yes. According to the C++ standard, this is what std::string and its siblings should do:
The class template basic_s...