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Wait until a process ends
...itForExit(1000 * 60 * 5); // Wait up to five minutes.
There are a few extra features in there which you might find useful...
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What is the right way to check for a null string in Objective-C?
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What type is title supposed to be? If it's an NSString, for instance, I receive the following warning: comparison of distinct Objective-C types 'struct NSNull *' and 'struct NSString *' lacks a cast Is there any way of removing this (I dunno if things have changed since...
Add new attribute (element) to JSON object using JavaScript
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JSON stands for JavaScript Object Notation. A JSON object is really a string that has yet to be turned into the object it represents.
To add a property to an existing object in JS you could do the following.
object["property"] = value;
or
object.property = value;
If you provide some ex...
Passing data between a fragment and its container activity
...the interface...
public interface OnDataPass {
public void onDataPass(String data);
}
Then, connect the containing class' implementation of the interface to the fragment in the onAttach method, like so:
OnDataPass dataPasser;
@Override
public void onAttach(Context context) {
super.onAtt...
Easily measure elapsed time
...easuring mechanism and have each callable's run time measured with minimal extra code, just by being called through a timer structure. Plus, at compile time you can parametrize the timing type (milliseconds, nanoseconds etc).
Thanks to the review by Loki Astari and the suggestion to use variadic t...
Can I use a collection initializer for Dictionary entries?
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var names = new Dictionary<int, string> {
{ 1, "Adam" },
{ 2, "Bart" },
{ 3, "Charlie" }
};
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org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for
...lution for exactly this problem, and adding @ElementCollection(targetClass=String.class) to my simple list of strings solved it.
– Angel O'Sphere
Jul 26 '19 at 10:50
add a com...
How can I sort a List alphabetically?
I have a List<String> object that contains country names. How can I sort this list alphabetically?
13 Answers
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Map implementation with duplicate keys
...ions external library. You can simply implement the following Map:
Map<String, ArrayList<String>> hashMap = new HashMap<String, ArrayList>();
public static void main(String... arg) {
// Add data with duplicate keys
addValues("A", "a1");
addValues("A", "a2");
addValues...
How can I get the external SD card path for Android 4.0+?
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I have a variation on a solution I found here
public static HashSet<String> getExternalMounts() {
final HashSet<String> out = new HashSet<String>();
String reg = "(?i).*vold.*(vfat|ntfs|exfat|fat32|ext3|ext4).*rw.*";
String s = "";
try {
final Process pr...