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Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
...st could be executed by two different threads.
Now the interesting part happens inside the IndexAsync method. If you have a blocking operation inside it, you are totally wasting the whole purpose of the asynchronous controllers because you are blocking the worker thread (remember that the body of ...
Validate that a string is a positive integer
...lly big numbers, this will go to scientific notation, which may break this approach. (I don't quite know where the split is, the details are in the spec, but for whole numbers I believe it's at the point you've exceeded 21 digits [by which time the number has become very imprecise, as IEEE-754 doubl...
Possible reason for NGINX 499 error codes
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As a special case, I noticed it sometimes happen when the end-user double-clicks a form submit button. The form is sent twice, but only one response is expected by the client. This can be worked around by disabling (at least for a few seconds) buttons in JS the first ...
What are the differences between django-tastypie and djangorestframework? [closed]
Why would you use one over the other, for exposing an API for your Django app?
7 Answers
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How to get device make and model on iOS?
...on iPod Touch 6th Generation
@"iPod9,1" on iPod Touch 7th Generation
// Apple Watch
@"Watch1,1" on Apple Watch 38mm case
@"Watch1,2" on Apple Watch 38mm case
@"Watch2,6" on Apple Watch Series 1 38mm case
@"Watch2,7" on Apple Watch Series 1 42mm case
@"Watch2,3" on Apple Watch Series 2 38mm case
@...
reStructuredText tool support
...as a comprehensive list at the Wikipedia reStructuredText page , but this apparently " did not meet the notability guideline for web content " and was removed .
...
SVN: Is there a way to mark a file as “do not commit”?
.../mike/dev/trunk
IGNORE_FILES="\
foo/pom.xml \
foo/src/gwt/App.gwt.xml \
foo/src/main/java/gwt/Common.gwt.xml \
foo/src/main/resources/context/datasource/local.xml \
foo/src/main/resources/context/environment/local.xml"
for i in $IGNORE_FILES; do mv $DIR/$i $...
How to get the current date/time in Java [duplicate]
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@Geek - System.currentTimeMillis() value is approximately UTC, and there is probably a difference (delta) between the local UTC clock and true UTC. System.currentTimeMillis() is independent of the local timezone ... well ... because it is UTC, and UTC is the same irre...
Connect Java to a MySQL database
... The better way is to get a DataSource, either by looking one up that your app server container already configured for you:
Context context = new InitialContext();
DataSource dataSource = (DataSource) context.lookup("java:comp/env/jdbc/myDB");
or instantiating and configuring one from your databa...
MySQL Great Circle Distance (Haversine formula)
...0.0 miles of the lat/long point 42.81/-70.81 . When you build this into an app, that's where you put your own point and search radius.
If you want to work in kilometers rather than miles, change 69 to 111.045 and change 3963.17 to 6378.10 in the query.
Here's a detailed writeup. I hope it helps s...