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Regex expressions in Java, \\s vs. \\s+
... regular expression quantifiers, and they perform matches like this (taken from the documentation):
Greedy quantifiers
X? X, once or not at all
X* X, zero or more times
X+ X, one or more times
X{n} X, exactly n times
X{n,} X, at least n times
X{n,m} X, at least n but not more than m times
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Custom exception type
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From WebReference:
throw {
name: "System Error",
level: "Show Stopper",
message: "Error detected. Please contact the system administrator.",
htmlMessage: "Error detected. Please contact the <a...
How do I type using my keyboard on the iphone simulator?
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Really Helpful, I too was struggling from couple of days.
– ChenSmile
Oct 29 '14 at 9:42
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What are some compelling use cases for dependent method types?
...it) was inspired by the programming language Beta ... they arise naturally from Beta's consistent nesting semantics. I don't know of any other even faintly mainstream programming language which has dependent types in this form. Languages like Coq, Cayenne, Epigram and Agda have a different form of d...
On - window.location.hash - Change?
... changes, and trigger the jQuery event.
This completely unbinds your code from needing to understand this support problem, the implementation of a special event of this kind is trivial (to get a simple 98% working version), but why do that when somebody else has already.
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How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
I am using 3rd party file manager to pick a file (PDF in my case) from the file system.
17 Answers
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Using os.walk() to recursively traverse directories in Python
I want to navigate from the root directory to all other directories within and print the same.
13 Answers
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What do 'lazy' and 'greedy' mean in the context of regular expressions?
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Greedy will consume as much as possible. From http://www.regular-expressions.info/repeat.html we see the example of trying to match HTML tags with <.+>. Suppose you have the following:
<em>Hello World</em>
You may think that <.+> (. means ...
How does cookie based authentication work?
...tion (i.e. they need to be logged in), the server obtains the access token from the cookie and checks it against the one in the database associated with that user. If it checks out, access is granted.
This should get you started. Be sure to clear the cookies upon logout!
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Get folder name from full file path
How do I get the folder name from the full path of the application?
11 Answers
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