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Assign null to a SqlParameter
...operator that explains the problem
Either the type of first_expression and second_expression must be the same, or an implicit conversion must exist from one type to the other.
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How to wait for async method to complete?
... Very nice, thank you. I was scratching my head on a similar issue and the difference was to change void to Task just as you had said.
– Jeremy
Dec 11 '14 at 20:19
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How do I package a python application to make it pip-installable?
...ing competition we're running at work. I figured I'd use this time wisely, and get up to speed on virtualenv, pip, packaging, django 1.3, and how to write an easily redistributable application. So far, so good.
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Comparing two strings, ignoring case in C# [duplicate]
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The first one is the correct one, and IMHO the more efficient one, since the second 'solution' instantiates a new string instance.
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How to make a copy of a file in android?
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To copy a file and save it to your destination path you can use the method below.
public static void copy(File src, File dst) throws IOException {
InputStream in = new FileInputStream(src);
try {
OutputStream out = new File...
How to wait for a keypress in R?
...Press [enter] to continue")
If you don't want to assign it to a variable and don't want a return printed in the console, wrap the readline() in an invisible():
invisible(readline(prompt="Press [enter] to continue"))
shar...
Check if application is installed - Android
I'm trying to install apps from Google Play. I can understand that on opening the Google Play store URL, it opens the Google Play and when I press the back button, the activity resumes.
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Moq: How to get to a parameter passed to a method of a mocked service
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You can use the Mock.Callback-method:
var mock = new Mock<Handler>();
SomeResponse result = null;
mock.Setup(h => h.AnsyncHandle(It.IsAny<SomeResponse>()))
.Callback<SomeResponse>(r => result = r);
// do your test
new Foo(mock.Object).Bar(22);
Assert.NotNull...
Priority queue in .Net [closed]
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I like using the OrderedBag and OrderedSet classes in PowerCollections as priority queues.
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IE8 and JQuery's trim()
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Thanks, I thought JQuery's functions were chain-able and that's how they all worked!
– Abs
Aug 9 '10 at 11:01
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