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Extract a substring according to a pattern
...plit
sapply(strsplit(string, ":"), "[", 2)
## [1] "E001" "E002" "E003"
3) read.table
read.table(text = string, sep = ":", as.is = TRUE)$V2
## [1] "E001" "E002" "E003"
4) substring
This assumes second portion always starts at 4th character (which is the case in the example in the question):
substri...
Why can I use a function before it's defined in JavaScript?
... ECMAScript standard, section 10.1.3. Unfortunately ECMA-262 is not a very readable document even by standards-standards!
*: the containing function, block, module or script.
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Is effective C++ still effective?
From what I saw in this post I decided to start reading the book Effective C++ .
3 Answers
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Disable orange outline highlight on focus
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android 4.0.4 works with: -webkit-user-modify: read-write-plaintext-only;
– oori
Nov 6 '12 at 17:04
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Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
...s['connect'] is None:
kwargs['connect'] = 5
if kwargs['read'] is None:
kwargs['read'] = 5
super(MyTimeout, self).__init__(*args, **kwargs)
requests.adapters.TimeoutSauce = MyTimeout
This code should cause us to set the read timeout as equal to the
con...
ReactJS state vs prop
This may be treading that line between answerable and opinionated, but I'm going back and forth as to how to structure a ReactJS component as complexity grows and could use some direction.
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How to break a line of chained methods in Python?
... Not sure what justifies the extra indentation here; I think this solution reads just as well with the hanging lines indented just once and the trailing paren not at all.
– Carl Meyer
Jun 23 '15 at 21:57
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Displaying better error message than “No JSON object could be decoded”
...ut files.
As for the capitalizing of boolean values: it appears that rson reads incorrectly capitalized booleans as strings.
>>> rson.loads('[true,False]')
[True, u'False']
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Naming conventions for java methods that return boolean(No question mark)
...n be found in the JDK:
isEmpty()
hasChildren()
That way, the names are read like they would have a question mark on the end.
Is the Collection empty?
Does this Node have children?
And, then, true means yes, and false means no.
Or, you could read it like an assertion:
The Collection ...
What's the difference between commit() and apply() in SharedPreferences
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What happens if I write something with apply() and try to read it immediately after? Is the read guaranteed to give me the newest value? The docs say if another commit() happens after you fire apply(), that commit() will block until the apply() is persisted to disk, which makes it c...