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How can I convert byte size into a human-readable format in Java?
...k = 1,000)
public static String humanReadableByteCountSI(long bytes) {
if (-1000 < bytes && bytes < 1000) {
return bytes + " B";
}
CharacterIterator ci = new StringCharacterIterator("kMGTPE");
while (bytes <= -999_950 || bytes >= 999_950) {
bytes /...
When to use symbols instead of strings in Ruby?
If there are at least two instances of the same string in my script, should I instead use a symbol?
4 Answers
...
Proper use cases for Android UserManager.isUserAGoat()?
...;As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method can
* now automatically identify goats using advanced goat recognition technology.</p>
*
* @return Returns true if the user making this call is a goat.
*/
public boolean isUserAGoat() {
return mContext.getPackageManage...
How to set JVM parameters for Junit Unit Tests?
... files to your repository: it might work, but I do not recommend it.
You know how to set these for maven-surefire-plugin. Good. This is the most portable way (see Ptomli's answer for an example).
For the rest - you must remember that JUnit test cases are just a bunch of Java classes, not a standal...
What is an optional value in Swift?
...String are completely different types.
Here's the most important thing to know: An optional is a kind of container. An optional String is a container which might contain a String. An optional Int is a container which might contain an Int. Think of an optional as a kind of parcel. Before you open it ...
How do I maintain the Immersive Mode in Dialogs?
... //Update the WindowManager with the new attributes (no nicer way I know of to do this)..
WindowManager wm = (WindowManager) getActivity().getSystemService(Context.WINDOW_SERVICE);
wm.updateViewLayout(getDialog().getWindow().getDecorView(), getDialog().getWindow().getAt...
Number of processors/cores in command line
...
If you want to do this so it works on linux and OS X, you can do:
CORES=$(grep -c ^processor /proc/cpuinfo 2>/dev/null || sysctl -n hw.ncpu)
sha...
Android Facebook integration with invalid key hash
...h key through a command prompt is working on the first time only. I don't know the reason. I have also got the same problem. So I tried it through programmatically.
Follow these steps:
Paste the following code in oncreate().
try {
PackageInfo info = getPackageManager().getPackageInfo(
...
ERROR: Error installing capybara-webkit:
... Note that if you want to install version 5.5 specifically, you will now need to do brew install homebrew/versions/qt55.
– jlleblanc
Nov 17 '16 at 21:13
add a comment
...
Sending files using POST with HttpURLConnection
...velopers recommend to use the HttpURLConnection class, I was wondering if anyone can provide me with a good example on how to send a bitmap "file" (actually an in-memory stream) via POST to an Apache HTTP server. I'm not interested in cookies or authentication or anything complicated, but I just...