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How do I kill background processes / jobs when my shell script exits?
...
To clean up some mess, trap can be used. It can provide a list of stuff executed when a specific signal arrives:
trap "echo hello" SIGINT
but can also be used to execute something if the shell exits:
trap "killall background" EXIT
It's a builtin, so help trap will give y...
C# HttpClient 4.5 multipart/form-data upload
...c async Task<string> Upload(byte[] image)
{
using (var client = new HttpClient())
{
using (var content =
new MultipartFormDataContent("Upload----" + DateTime.Now.ToString(CultureInfo.InvariantCulture)))
{
content.Add(new StreamContent(new M...
NSLog the method name with Objective-C in iPhone
...o my logging statements?
To assist with logging:
The C preprocessor provides a few macros.
Objective-C provides expressions (methods).
Pass the implicit argument for the current method's selector: _cmd
As other answers indicated, to merely get the current method's name, call:
NSStringFromS...
How do I get git to default to ssh and not https for new repositories
These days when I create a new repository on GitHub on the setup page I get:
6 Answers
...
How do I use a PriorityQueue?
...c void main(String[] args) {
Comparator<String> comparator = new StringLengthComparator();
PriorityQueue<String> queue = new PriorityQueue<String>(10, comparator);
queue.add("short");
queue.add("very long indeed");
queue.add("medium");
...
How to convert URL parameters to a JavaScript object?
...is issue.
This includes using URLSearchParams and iterators
let params = new URLSearchParams('abc=foo&def=%5Basf%5D&xyz=5');
params.get("abc"); // "foo"
Should your use case requires you to actually convert it to object, you can implement the following function:
function paramsToObject(...
How to programmatically clear application data
... 0; i < children.length; i++) {
boolean success = deleteDir(new File(dir, children[i]));
if (!success) {
return false;
}
}
}
// <uses-permission
// android:name="android.permission.CLEAR_APP_CACHE"></uses-permission...
Indexes of all occurrences of character in a string
...
String string = "bannanas";
ArrayList<Integer> list = new ArrayList<Integer>();
char character = 'n';
for(int i = 0; i < string.length(); i++){
if(string.charAt(i) == character){
list.add(i);
}
}
Result would be used like this :
for(Integer i : lis...
iPhone Safari Web App opens links in new window
...me Screen. If the web is launched from Home Screen, all links will open in new window in Safari (and lose full screen functionality). How can I prevent it? I couldn't find any help, only the same unanswered question.
...
Difference between new and override
...s Derived : Base
{
public override void DoIt()
{
}
}
Base b = new Derived();
b.DoIt(); // Calls Derived.DoIt
will call Derived.DoIt if that overrides Base.DoIt.
The new modifier instructs the
compiler to use your child class implementation
instead of the p...