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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...
Are Javascript arrays sparse?
That is, if I use the current time as an index into the array:
7 Answers
7
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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#?
...
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();
...
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 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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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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Set type for function parameters?
...hinting in php. Have you ever looked at a big nodejs backend application? exactly, each function has arguments, and you have NO clue what each argument is. We are talking about thousands of arguments and when reading, you have to read the entire code, and the entire code of the caller and of its cal...
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...