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Bytes of a string in Java
... turn it into bytes.
That said, you can turn the string into a byte array and then look at its size as follows:
// The input string for this test
final String string = "Hello World";
// Check length, in characters
System.out.println(string.length()); // prints "11"
// Check encoded sizes
final b...
How to Calculate Execution Time of a Code Snippet in C++
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You can use this function I wrote. You call GetTimeMs64(), and it returns the number of milliseconds elapsed since the unix epoch using the system clock - the just like time(NULL), except in milliseconds.
It works on both windows and linux; it is thread safe.
Note that the granular...
How to determine MIME type of file in android?
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First and foremost, you should consider calling MimeTypeMap#getMimeTypeFromExtension(), like this:
// url = file path or whatever suitable URL you want.
public static String getMimeType(String url) {
String type = null;
St...
Two divs side by side - Fluid display
I am trying to place two divs side by side and using the following CSS for it.
8 Answers
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How do I create a new branch?
...ur-branch-name
The main branch of a project is referred to as the trunk, and is usually located in:
(svn/http)://path-to-repo/trunk
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Java current machine name and logged in user?
...it possible to get the name of the currently logged in user (Windows/Unix) and the hostname of the machine?
4 Answers
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iOS: Use a boolean in NSUserDefaults
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You can set your boolean by using:
[[NSUserDefaults standardUserDefaults] setBool:YES forKey:@"logged_in"];
[[NSUserDefaults standardUserDefaults] synchronize];
and read it by using this code:
if(![[NSUserDefaults standardUserDefaults] boolForKey:@"logged_in"]) {
[self d...
cancelling a handler.postdelayed process
I am using handler.postDelayed() to create a waiting period before the next stage of my app takes place. During the wait period I am displaying a dialog with progress bar and cancel button.
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How to add a filter class in Spring Boot?
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When I tried that approach, Filter was created as bean and even was injected to other class but init() method didn't run. Probably, init() works only in 'normal' registering not by spring container. I think, one may use PostConstruct instead of init() but I didn't try that as I r...
Capture keyboardinterrupt in Python without try-except
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Yes, you can install an interrupt handler using the module signal, and wait forever using a threading.Event:
import signal
import sys
import time
import threading
def signal_handler(signal, frame):
print('You pressed Ctrl+C!')
sys.exit(0)
signal.sig...