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How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
...r to modify the HTTP header:
header('Content-Type: text/html; charset=utf-8');
Note to call this function before any output has been sent to the client. Otherwise the header has been sent too and you obviously can’t change it any more. You can check that with headers_sent. See the manual page o...
Aggregate / summarize multiple variables per group (e.g. sum, mean)
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Fetch first element which matches criteria
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edited Apr 8 '14 at 15:22
answered Apr 8 '14 at 14:45
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What is PEP8's E128: continuation line under-indented for visual indent?
...ust opened a file with Sublime Text (with Sublime Linter) and noticed a PEP8 formatting error that I'd never seen before. Here's the text:
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get list from pandas dataframe column
... BenBen
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Does Java SE 8 have Pairs or Tuples?
I am playing around with lazy functional operations in Java SE 8, and I want to map an index i to a pair / tuple (i, value[i]) , then filter based on the second value[i] element, and finally output just the indices.
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Ask for User Permission to Receive UILocalNotifications in iOS 8
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Since iOS 8 you need to ask user's permission to show notifications from your app, this applies for both remote/push and local notifications. In Swift you can do it like this,
Update for Swift 2.0
func application(application: UIAppl...
Why is the order in dictionaries and sets arbitrary?
...e the keys 'foo' and 'bar', for example, and lets assume the table size is 8 slots. In Python 2.7, hash('foo') is -4177197833195190597, hash('bar') is 327024216814240868. Modulo 8, that means these two keys are slotted in slots 3 and 4 then:
>>> hash('foo')
-4177197833195190597
>>>...
Bootstrap 3 offset on right not left
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Ross AllenRoss Allen
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Annotating text on individual facet in ggplot2
...ta.frame(mpg = 15,wt = 5,lab = "Text",
cyl = factor(8,levels = c("4","6","8")))
p + geom_text(data = ann_text,label = "Text")
It should work without specifying the factor variable completely, but will probably throw some warnings:
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