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Java: Get first item from a collection
... That does the same thing, it just checks if it is a list first, and gets by index if it is. It also has some code to try to fail faster on an actual Collection (that is if the index is too large it tries to figure that out without iterating through the whole thing and throwing the excepti...
How to convert current date into string in java?
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Used a combination of this and the answer right below for the timestring. C:
– php_coder_3809625
Jul 13 '16 at 13:54
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How to convert string to char array in C++?
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Yes, I think that's a reasonable way to handle it.
– Fred Larson
Nov 8 '12 at 17:17
1
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Setting ANDROID_HOME enviromental variable on Mac OS X
Could anybody post a working solution for setting ANDROID_HOME via the terminal?
12 Answers
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Calling a Fragment method from a parent Activity
I see in the Android Fragments Dev Guide that an "activity can call methods in a fragment by acquiring a reference to the Fragment from FragmentManager, using findFragmentById() or findFragmentByTag() ."
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How to get a list of current open windows/process with Java?
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This is another approach to parse the the process list from the command "ps -e":
try {
String line;
Process p = Runtime.getRuntime().exec("ps -e");
BufferedReader input =
new BufferedReader(new InputStreamReader(p.getInputStream()));
while ((line = input.readLine(...
How do you get the length of a string?
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You don't need jquery, just use yourstring.length. See reference here and also here.
Update:
To support unicode strings, length need to be computed as following:
[..."????"].length
or create an auxiliary function
function uniLen(s) {
return [...s].length
}
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On - window.location.hash - Change?
I am using Ajax and hash for navigation.
13 Answers
13
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Why is WinRT unmanaged? [closed]
... That won't do, even a company as big as Microsoft cannot afford to create and support a specific WinRT version for every language binding. Nor is it necessary, given that these languages already support COM.
Right now, the best binding for WinRT is C++ since COM works more efficiently with explic...
How to get the first five character of a String
...get the result back in string then you can use:
Using String Constructor and LINQ's Take
string firstFivChar = new string(yourStringVariable.Take(5).ToArray());
The plus with the approach is not checking for length before hand.
The other way is to use String.Substring with error checking
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