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How and why does 'a'['toUpperCase']() in JavaScript work?
...avaScript language. To be sure that member is in the object, simply check, if it is defined:
function callMethod(method) {
return function (obj) {
if (typeof(obj[method]) == 'function') //in that case, check if it is a function
return obj[method](); //and then invoke it
}...
Set the absolute position of a view
...seems to work, however, it's only working when a add one picture this way. if I try to add a 2nd one, the first one just vanishes...
– Sephy
Jul 21 '10 at 21:03
1
...
How to implement a ViewPager with different Fragments / Layouts
...lements viewpager, the viewpager created various fragments. I want to use different layouts for each fragment, but the problem is that viewpager shows only two layouts at the max (second layout on all of the remaining fragments after 1).
...
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need
...c OS 10.7.x. I have Python 2.7.1, and followed this tutorial to get Beautiful Soup and lxml, which both installed successfully and work with a separate test file located here . In the Python script that causes this error, I have included this line:
from pageCrawler import comparePages
And i...
How can I delete the current line in Emacs?
...k # Kill line from current point
There is also
C-S-backspace # Ctrl-Shift-Backspace
which invokes M-x kill-whole-line.
If you'd like to set a different global key binding, you'd put this in ~/.emacs:
(global-set-key "\C-cd" 'kill-whole-line) # Sets `C-c d` to `M-x kill-whole-line`
...
How to align 3 divs (left/center/right) inside another div?
...
how would you do it if the container wasn't 100%? Im trying something like that here, I would like the div do stay in the right of the container, but it floats to the right of the page
– Tiago
Nov 9 '10 at ...
In C#, what is the difference between public, private, protected, and having no access modifier?
...l my college years I have been using public , and would like to know the difference between public , private , and protected ?
...
Separators for Navigation
...he first one.
For example:
#nav li + li {
background:url('seperator.gif') no-repeat top left;
padding-left: 10px
}
This CSS adds the image to every list item that follows another list item - in other words all of them but the first.
NB. Be aware the adjacent selector (li + li) doesn't w...
Using getopts to process long and short command line options
...ith caveats:
getopts can't enforce the opt spec. It can't return errors if the user supplies an invalid option. You have to do your own error-checking as you parse OPTARG.
OPTARG is used for the long option name, which complicates usage when your long option itself has an argument. You end up hav...
What does “=>” mean in PHP?
...ke "a => b" means, for an associative array (some languages, like Perl, if I remember correctly, call those "hash"), that 'a' is a key, and 'b' a value.
You might want to take a look at the documentations of, at least:
foreach
arrays
Here, you are having an array, called $user_list, and you ...