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Set scroll position
...an use window.scrollTo(), like this:
window.scrollTo(0, 0); // values are x,y-offset
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
... definition. The technical name for it is an Immediately Invoked Function Expression (IIFE). jQuery plugins are usually written like this.
In Javascript, you can nest functions. So, the following is legal:
function outerFunction() {
function innerFunction() {
// code
}
}
Now you can ...
Group by multiple columns in dplyr, using string vector input
...s you would use with select, like so:
data = data.frame(
asihckhdoydkhxiydfgfTgdsx = sample(LETTERS[1:3], 100, replace=TRUE),
a30mvxigxkghc5cdsvxvyv0ja = sample(LETTERS[1:3], 100, replace=TRUE),
value = rnorm(100)
)
# get the columns we want to average within
columns = names(data)[-3]
...
Convert Pixels to Points
I have a need to convert Pixels to Points in C#. I've seen some complicated explanations about the topic, but can't seem to locate a simple formula. Let's assume a standard 96dpi, how do I calulate this conversion?
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JavaScript exponents
How do you do exponents in JavaScript?
5 Answers
5
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Getting visitors country from their IP
..."];
if ($deep_detect) {
if (filter_var(@$_SERVER['HTTP_X_FORWARDED_FOR'], FILTER_VALIDATE_IP))
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
if (filter_var(@$_SERVER['HTTP_CLIENT_IP'], FILTER_VALIDATE_IP))
$ip = $_SERVER['HTTP_CLIENT_IP'];
...
what does the __file__ variable mean/do?
...functions to find the directory that the file is located in.
Taking your examples one at a time:
A = os.path.join(os.path.dirname(__file__), '..')
# A is the parent directory of the directory where program resides.
B = os.path.dirname(os.path.realpath(__file__))
# B is the canonicalised (?) direc...
Cannot find Dumpbin.exe
I do not see dumpbin.exe on my system. I have Visual Studio 2005 on my system. When I type dumpbin on the command line, it says unrecognizable command.
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Check if string begins with something? [duplicate]
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This can be made more generic like so: var x = "/sub/1"; if (pathname.substring(0, x.length) === x) { // ... };. This way you're no longer reliant on knowing the length of x as it may change.
– The Crazy Chimp
Jul 12 '15 at 1...
Finding the average of a list
...arUser then you should calc k = 1.0/len(l), and then reduce: reduce(lambda x, y: x + y * k, l)
– Arseniy
May 14 '14 at 5:09
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