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Reference list item by index within Django template?
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@SuperCode '0' means getting the index which starts from 0, not 1
– WeizhongTu
Sep 16 at 6:14
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How to load a UIView using a nib file created with Interface Builder
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Don't you mean "customNib" in line 2 instead of "rankingNib"
– Danny
Nov 5 '15 at 21:06
add a comment
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Secure hash and salt for PHP passwords
... has 1 upper case letter, 1 lower case letter, a number, and a symbol, it means the number of tries they need is significantly less. By allowing the user to decide what they want, the hacker has to try harder.
– Popnoodles
Jan 25 '13 at 0:17
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What is a “first chance exception”?
... It's more than a debugging concept; C# doesn't provide a convenient means of observing two-pass exception handling at run-time, but vb.net does. Basically, when an exception is thrown, the run-time starts by searching up the call stack to find out who if anyone is going to catch it. That pr...
What is the difference between inversedBy and mappedBy?
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@AndreasLinden widely used doesn't mean best practice. Something using comments to write code on the fly cannot ever been considered best practice, it's not php native, and even not included by default in all frameworks. Having all the info about an entity in ...
How can I change the default width of a Twitter Bootstrap modal box?
...g to change it with JS/jQuery?
You can easily do it with just CSS, which means you don't have to do your styling in the document.
In your own custom CSS file, you add:
body .modal {
/* new custom width */
width: 560px;
/* must be half of the width, minus scrollbar on the left (30px) *...
Android: Scale a Drawable or background image?
...does respect the aspect ratio. But it will not scale the image down. Which means that it is a somewhat danger feature to use. Depending on the resolution of the target you never know how scaled the thing will come out exactly. Another half-assed solution by Google.
– user458577...
function declaration isn't a prototype
... number of arguments, while int foo(void) accepts 0 arguments. In C++ they mean the same thing. I suggest that you use void consistently when you mean no arguments.
If you have a variable a, extern int a; is a way to tell the compiler that a is a symbol that might be present in a different translat...
How are Python's Built In Dictionaries Implemented?
...e key.
If that slot is empty, the entry is added to the slot (by entry, I mean, <hash|key|value>). But what if that slot is occupied!? Most likely because another entry has the same hash (hash collision!)
If the slot is occupied, CPython (and even PyPy) compares the hash AND the key (by comp...
What is an uninterruptible process?
...function) that cannot be interrupted by a signal.
To understand what that means, you need to understand the concept of an interruptible system call. The classic example is read(). This is a system call that can take a long time (seconds) since it can potentially involve spinning up a hard drive, or...