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Guid.NewGuid() vs. new Guid()
...the former, because that's the point of a UUID (unless you're receiving it from somewhere else of course).
There are cases where you do indeed want an all-zero UUID, but in this case Guid.Empty or default(Guid) is clearer about your intent, and there's less chance of someone reading it expecting a ...
What is the best way to initialize a JavaScript Date to midnight?
...
Just wanted to clarify that the snippet from accepted answer gives the nearest midnight in the past:
var d = new Date();
d.setHours(0,0,0,0); // last midnight
If you want to get the nearest midnight in future, use the following code:
var d = new Date();
d.setHo...
How to hide image broken Icon using only CSS/HTML?
..."user21.jpg" type="image/jpg"></object>
...and just add the CSS from this answer -> https://stackoverflow.com/a/32928240/3196360
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What is NSLayoutConstraint “UIView-Encapsulated-Layout-Height” and how should I go about forcing it
...e a UITableView running under iOS 8 and I'm using automatic cell heights from constraints in a storyboard.
17 Answers
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Why is JsonRequestBehavior needed?
... sensitive data, then it should be safe to allow the get.
Further reading from my Wrox ASP.NET MVC3 book
By default, the ASP.NET MVC framework does not allow you to respond to
an HTTP GET request with a JSON payload. If you need to send JSON in
response to a GET, you'll need to explicitly a...
Groovy: what's the purpose of “def” in “def x = 0”?
In the following piece of code (taken from the Groovy Semantics Manual page ), why prefix the assignment with the keyword def ?
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Addition for BigDecimal
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It looks like from the Java docs here that add returns a new BigDecimal:
BigDecimal test = new BigDecimal(0);
System.out.println(test);
test = test.add(new BigDecimal(30));
System.out.println(test);
test = test.add(new BigDecimal(45));
Sy...
Best way to combine two or more byte arrays in C#
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@andleer: Aside from anything else, Buffer.BlockCopy only works with primitive types.
– Jon Skeet
Mar 24 '14 at 15:58
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Shell equality operators (=, ==, -eq)
...the right-hand-side must be quoted. If not quoted, it is a pattern match! (From bash man page: "Any part of the pattern may be quoted to force it to be matched as a string.").
Here in bash, the two statements yielding "yes" are pattern matching, other three are string equality:
$ rht="A*"
$ lft="A...
How to use ADB to send touch events to device using sendevent command?
...ou might want to use monkeyrunner like this:
$ monkeyrunner
>>> from com.android.monkeyrunner import MonkeyRunner, MonkeyDevice
>>> device = MonkeyRunner.waitForConnection()
>>> device.touch(200, 400, MonkeyDevice.DOWN_AND_UP)
You can also do a drag, start activies ...
