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Difference between .tagName and .nodeName
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129
The tagName property is meant specifically for element nodes (type 1 nodes) to get the type of...
How to prevent browser page caching in Rails
...se.headers["Pragma"] = "no-cache"
response.headers["Expires"] = "Mon, 01 Jan 1990 00:00:00 GMT"
end
end
Rails 4 and older versions:
class ApplicationController < ActionController::Base
before_filter :set_cache_headers
private
def set_cache_headers
response.headers["Cache-Con...
How to get the first word of a sentence in PHP?
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answered Mar 19 '10 at 11:30
codaddictcodaddict
394k7777 gold badges473473 silver badges507507 bronze badges
...
How do I unset an element in an array in javascript?
...rray.
If you know the key you should use splice i.e.
myArray.splice(key, 1);
For someone in Steven's position you can try something like this:
for (var key in myArray) {
if (key == 'bar') {
myArray.splice(key, 1);
}
}
or
for (var key in myArray) {
if (myArray[key] == 'bar...
Why do all browsers' user agents start with “Mozilla/”?
...ory.
In summary:
Mozilla browser gets released, with User-Agent Mozilla/1.0 (Win3.1). It is publicly renamed to Netscape, but in its User-Agent it keeps its original name .
Internet Explorer is released. It spoofs Netscape by starting its User-Agent with Mozilla/ because web servers were routinel...
Read and overwrite a file in Python
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181
If you don't want to close and reopen the file, to avoid race conditions, you could truncate i...
What is the use for Task.FromResult in C#
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answered Oct 31 '13 at 0:40
Stephen ClearyStephen Cleary
349k6363 gold badges575575 silver badges699699 bronze badges
...
Getting output of system() calls in Ruby
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15 Answers
15
Active
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Aligning rotated xticklabels with their respective xticks
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xlabels = ['Ticklabel %i' % i for i in range(n)]
fig, axs = plt.subplots(1,3, figsize=(12,3))
ha = ['right', 'center', 'left']
for n, ax in enumerate(axs):
ax.plot(x,y, 'o-')
ax.set_title(ha[n])
ax.set_xticks(x)
ax.set_xticklabels(xlabels, rotation=40, ha=ha[n])
...
How to find the length of a string in R
...
See ?nchar. For example:
> nchar("foo")
[1] 3
> set.seed(10)
> strn <- paste(sample(LETTERS, 10), collapse = "")
> strn
[1] "NHKPBEFTLY"
> nchar(strn)
[1] 10
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