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How to check if a String contains only ASCII?
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From Guava 19.0 onward, you may use:
boolean isAscii = CharMatcher.ascii().matchesAllOf(someString);
This uses the matchesAllOf(someString) method which relies on the factory method ascii() rather than the now deprecated A...
Read and parse a Json File in C#
...you have a StreamReader anyway, it would be better to deserialize directly from the stream using JsonTextReader as shown in Can Json.NET serialize / deserialize to / from a stream?. The r.ReadToEnd() is not needed.
– dbc
Jun 11 '19 at 19:05
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Executing elements inserted with .innerHTML
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The OP's script doesn't work in IE 7. With help from SO, here's a script that does:
exec_body_scripts: function(body_el) {
// Finds and executes scripts in a newly added element's body.
// Needed since innerHTML does not run scripts.
//
// Argument body_el is an e...
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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How does having a dynamic variable affect performance?
...l to Foo, one for the dynamic addition, and one for the dynamic conversion from dynamic to int. Each one has its own runtime analysis and its own cache of analysis results.
Make sense?
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Entity Framework 4 / POCO - Where to start? [closed]
...an't find them. These articles are well written and I'd like to read more from this author.
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Why does Apple recommend to use dispatch_once for implementing the singleton pattern under ARC?
... it's faster. It's also semantically cleaner, because it also protects you from multiple threads doing alloc init of your sharedInstance--if they all try at the same exact time. It won't allow two instances to be created. The entire idea of dispatch_once() is "perform something once and only once", ...
What does the 'Z' mean in Unix timestamp '120314170138Z'?
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Yes. 'Z' stands for Zulu time, which is also GMT and UTC.
From http://en.wikipedia.org/wiki/Coordinated_Universal_Time:
The UTC time zone is sometimes denoted by the letter Z—a reference to
the equivalent nautical time zone (GMT), which has been denoted by a Z
since about ...
What is an abstract class in PHP?
...bstract".
The purpose of this is to provide a kind of template to inherit from and to force the inheriting class to implement the abstract methods.
An abstract class thus is something between a regular class and a pure interface. Also interfaces are a special case of abstract classes where ALL met...
Redirect to an external URL from controller action in Spring MVC
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You can use the RedirectView. Copied from the JavaDoc:
View that redirects to an absolute, context relative, or current request relative URL
Example:
@RequestMapping("/to-be-redirected")
public RedirectView localRedirect() {
RedirectView redirectView ...