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What is the right way to check for a null string in Objective-C?
...that can be used as a stand in for nil when nil cannot be used (eg in an NSArray or NSDictionary value). So a use case might be where you had an NSArray of optional strings, some of which might be null, and you use [NSNull null] in the array for the null cases. In practice, the test is rarely neede...
Can someone explain the “debounce” function in Javascript
...s passed to a function
accessible inside of the function in an array-like variable
named `arguments`. Assinging `arguments` to `args` combines
all arguments passed in the `func` argument of our `debounce`
method in a single variable.
*/
...
XPath query to get nth instance of an element
...
Weird that in these XPath queries these kinds of arrays start with 1, confused me.
– Ivotje50
Sep 15 '19 at 12:52
...
Return a value from AsyncTask in Android [duplicate]
...gt; {
private MyImagesPagerFragment mimagesPagerFragment;
private ArrayList<ImageData> mImages = new ArrayList<ImageData>();
public AsyncGetUserImagesTask(MyImagesPagerFragment imagesPagerFragment) {
this.mimagesPagerFragment = imagesPagerFragment;
}
@Overr...
What is the difference between onPause() and onStop() of Android Activites?
...ndroid.server.am.ActivityRecord:
fullscreen = ent != null && !ent.array.getBoolean(
com.android.internal.R.styleable.Window_windowIsFloating, false)
&& !ent.array.getBoolean(
com.android.internal.R.styleable.Window_windowIsTranslucent, false);
...
How to read from standard input in the console?
...ecommend using bufio.NewScanner
*/
func main() {
// To create dynamic array
arr := make([]string, 0)
scanner := bufio.NewScanner(os.Stdin)
for {
fmt.Print("Enter Text: ")
// Scans a line from Stdin(Console)
scanner.Scan()
// Holds the string that scan...
RAW POST using cURL in PHP
...TFIELDS, "body goes here" );
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: text/plain'));
$result=curl_exec ($ch);
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How can I pass a parameter to a setTimeout() callback?
...I don't. Here's the little fix for it to work: instead of slice.call, use Array.prototype.slice.call(arguments, 2)
– Melanie
Oct 3 '13 at 16:44
7
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Can we make unsigned byte in Java
...
Accessing an array with a potentially negative number is not irrelevant.
– Stefan
Aug 31 '12 at 14:34
3
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Principles for Modeling CouchDB Documents
...before "b"). You can also output complex keys from your map/reduce as JSON arrays: ["a", "b", "c"]. Doing that would allow you to include a "tree" of sorts built out of array keys. Using your example above, we can output the post_id, then the type of thing we're referencing, then its ID (if needed)....