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Check if string begins with something? [duplicate]
...: jsperf.com/starts-with/2 . Substring method appears to be the fastest on my machine (with V8).
– Pijusn
Jul 20 '13 at 19:34
21
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How to change background color in android app
I want to be able to change the background color to white in my android app in the simplest way possible.
19 Answers
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PHP Remove elements from associative array
...ng the unset() function is, this approach makes a lot of sense.
Anyway:
$my_array = array_filter($my_array,
function($el) {
return $el["value"]!="Completed" && $el!["value"]!="Marked as Spam";
});
You can us...
How can I disable ARC for a single file in a project?
I am using ARC successfully in my project. However, I have encountered a few files (e.g., in unit tests and mock objects) where the rules of ARC are a little more fragile right now. I recall hearing that there was a way to disable ARC on a per-file basis, though I have been unable to find this optio...
Sequelize.js delete query?
...coding sample... Any one can understand this. Thank you ncksllvn. You save my time...
– weeraa
Mar 5 '18 at 17:29
How ...
Finding the average of a list
I have to find the average of a list in Python. This is my code so far
23 Answers
23
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How do I format XML in Notepad++?
...ls using your plugin manager in order to get this option in your menu.
In my experience, libXML gives nice output but only if the file is 100% correctly formed.
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How to iterate over a JSONObject?
...
for my case i found iterating the names() works well
for(int i = 0; i<jobject.names().length(); i++){
Log.v(TAG, "key = " + jobject.names().getString(i) + " value = " + jobject.get(jobject.names().getString(i)));
}
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How to find out what character key is pressed?
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"Clear" JavaScript:
<script type="text/javascript">
function myKeyPress(e){
var keynum;
if(window.event) { // IE
keynum = e.keyCode;
} else if(e.which){ // Netscape/Firefox/Opera
keynum = e.which;
}
alert(String.f...
How to remove duplicate white spaces in string using Java?
...pe white spaces with one white space of its type. That is:
Hello!\n\n\nMy World
will be
Hello!\nMy World
Notice there are still leading and trailing white spaces. So my complete solution is:
str = str.trim().replaceAll("(\\s)+", "$1"));
Here, trim() replaces all leading and traili...