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How do I vertically align text in a div?
... cause the second link uses just one row of text or an image of which you know the height. What if you have 2 or 3 rows of text or if you don't know the height of your text, cause it varies. How would that work with line-height? So to sum up. I tested the first version and it works on IE, Firefox AN...
How to perform OR condition in django queryset?
...ryset = combined_queryset.order_by('-income')
Update 2019-06-20: This is now fully documented in the Django 2.1 QuerySet API reference. More historic discussion can be found in DjangoProject ticket #21333.
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Postgres: “ERROR: cached plan must not change result type”
...eing thrown by the PostgreSQL 8.3.7 server to my application.
Does anyone know what this error means and what I can do about it?
...
How can I obfuscate (protect) JavaScript? [closed]
...e security than they need.
Sidenote:
Obfuscation in Javascript has been known to cause some bugs. The obfuscators are getting a little better about it, but many outfits decide that they see enough benefit from minifying and gzipping, and the added savings of obfuscation isn't always worth the trou...
Why can't I center with margin: 0 auto?
...{
margin: 0 auto;
width: 90%;
}
Edit: Ok, I've seen the testpage now, and here is how I think you want it:
#header ul {
list-style:none;
margin:0 auto;
width:90%;
}
/* Remove the float: left; property, it interferes with display: inline and
* causes problems. (float: left; ...
“Unknown class in Interface Builder file” error at runtime
...
Despite the "Unknown class MyClass in Interface Builder file." error printed at runtime, this issue has nothing to do with Interface Builder, but rather with the linker, which is not linking a class because no code uses it directly.
When th...
Using Vim's tabs like buffers
...o beat Vim into 1 tab == 1 buffer is an exercise in futility. Vim doesn't know or care and it will not respect it on all commands—in particular, anything that uses the quickfix buffer (:make, :grep, and :helpgrep are the ones that spring to mind) will happily ignore tabs and there's nothing you ca...
Reading a string with scanf
...and although not necessarily the &str is also the same memory address. Now strPtr points to str so the memory address stored inside of strPtr is the same as str and thats 12fe60. Finally &strPtr is the address of the variable strPtr, this is not the value stores in strptr but the actual memo...
Unicode, UTF, ASCII, ANSI format differences
...e encoded as surrogate pairs. These used to be relatively rarely used, but now many consumer applications will need to be aware of non-BMP characters in order to support emojis.
UTF-8: Variable length encoding, 1-4 bytes per code point. ASCII values are encoded as ASCII using 1 byte.
UTF-7: Usually ...
Where does the “flatmap that s***” idiomatic expression in Scala come from?
... operation, so it cannot be as widely applied. Also, it requires too much knowledge about the data you are manipulating.
Note: previously I said matching was slower than flatMap -- the opposite is true as a matter of fact, up to the most recent version of Scala at the time of this writing, 2.10.1.)...