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Why is Dictionary preferred over Hashtable in C#?
...em: KeyValuePair <<<>>> Enumerated item: DictionaryEntry
Newer (> .NET 2.0) <<<>>> Older (since .NET 1.0)
is in System.Collections.Generic <<<>>> is in System.Collections
Request to non-existing key throws exception <<<>>> R...
When do you use map vs flatMap in RxJava?
...: RX will call the onError handler for you.
Observable.from(jsonFile).map(new Func1<File, String>() {
@Override public String call(File file) {
try {
return new Gson().toJson(new FileReader(file), Object.class);
} catch (FileNotFoundException e) {
/...
How to show soft-keyboard when edittext is focused
... and display the soft keyboard. I achieved this using the following code:
new Handler().postDelayed(new Runnable() {
public void run() {
// ((EditText) findViewById(R.id.et_find)).requestFocus();
//
EditText yourEditText= (EditText) findViewById(R.id.et_find);
// ...
How to properly overload the
...C++ for matrix operations. However my compiler complains, where before it did not. This code was left on a shelf for 6 months and in between I upgraded my computer from debian etch to lenny (g++ (Debian 4.3.2-1.1) 4.3.2
) however I have the same problem on a Ubuntu system with the same g++.
...
git reset --hard HEAD leaves untracked files behind
...
Eugene Kaurov
1,4051818 silver badges2828 bronze badges
answered Dec 1 '10 at 18:28
knittlknittl
...
Opening the Settings app from another app
...RL schemes
Go to Project settings --> Info --> URL Types --> Add New URL Schemes
Step 2. Launch Settings programmatically Thanks to @davidcann
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs://"]];
Also we can launch sub-screens like Music, Location etc. as we...
How to highlight text using javascript
... document.body; // document.getElementById("someTable");
let highlighter = new SearchTools.InstantSearch(searchContainer, [
{
token: "this is the text to highlight" // searchText.value,
className: "highlight", // this is the individual highlight class
sensitiveSearch: fal...
Is it expensive to use try-catch blocks even if an exception is never thrown?
...hile (duration < 100000000 && nextI > 0);
return new BigDecimal((duration) * 1000 / i).movePointLeft(3);
} catch (Throwable e) {
throw new RuntimeException(e);
}
}
@Override
public String toString() {
return name + "\t" + tim...
Install a Python package into a different directory using pip?
... --ignore-installed to force all dependencies to be reinstalled using this new prefix. You can use --install-option to multiple times to add any of the options you can use with python setup.py install (--prefix is probably what you want, but there are a bunch more options you could use).
...
Remove last item from array
... -1); // returns [1,0]
Here is a demo:
var arr = [1, 0, 2];
var newArr = arr.slice(0, -1); // returns [1,0]
console.log(newArr);
$('#div1').text('[' + arr + ']');
$('#div2').text('[' + newArr + ']');
<script src="http://code.jquery.com/jquery.min.js"></script>
<b&...