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Converting String to Int with Swift
...se a formula to calculate acceleration. However, since the values in the text boxes are string, I am unable to convert them to integers.
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How to use ADB to send touch events to device using sendevent command?
...simulate miscellaneous input events. To simulate tapping, it's:
input tap x y
You can use the adb shell ( > 2.3.5) to run the command remotely:
adb shell input tap x y
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Clean ways to write multiple 'for' loops
...ns, we usually need to write a for loop for each of its dimensions. For example:
16 Answers
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What is the best way to test for an empty string in Go?
...r enough. It is more a matter of personal taste and about clarity.
Russ Cox writes in a golang-nuts thread:
The one that makes the code clear.
If I'm about to look at element x I typically write
len(s) > x, even for x == 0, but if I care about
"is it this specific string" I tend to wri...
Which is preferred: Nullable.HasValue or Nullable != null?
... I liked the semantics. However, recently I was working on someone else's existing codebase where they used Nullable<> != null exclusively instead.
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Why do people still use primitive types in Java?
Since Java 5, we've had boxing/unboxing of primitive types so that int is wrapped to be java.lang.Integer , and so and and so forth.
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How do I clone a generic list in C#?
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You can use an extension method.
static class Extensions
{
public static IList<T> Clone<T>(this IList<T> listToClone) where T: ICloneable
{
return listToClone.Select(item => (T)item.Clone()).ToList();
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View list of all JavaScript variables in Google Chrome Console
...le you have to type the name of the public variable or object you want to explore.
15 Answers
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How do I create a self-signed certificate for code signing on Windows?
...-line to wrap line)
This creates a self-signed (-r) certificate, with an exportable private key (-pe). It's named "My CA", and should be put in the CA store for the current user. We're using the SHA-256 algorithm. The key is meant for signing (-sky).
The private key should be stored in the MyCA.pv...
Is there any significant difference between using if/else and switch-case in C#?
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A bit of experimentation suggests count <= 6: "if"; count >= 7: dictionary. That's with the MS .NET 3.5 C# compiler - it could change between versions and vendors, of course.
– Jon Skeet
Dec...