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How do I split a multi-line string into multiple lines?
...d solution because it does not mess with the line separator explicitly. It all just works with a dedicated API method!
– lpapp
Aug 27 '14 at 15:23
...
STL or Qt containers?
... (see the std::string COW controversy). Some STL implementations are especially
bad.
provide hashes, which are not available unless you use TR1
The QTL has a different philosophy from the STL, which is well summarized by J. Blanchette: "Whereas STL's containers are optimized for raw speed, Qt's co...
IllegalArgumentException or NullPointerException for a null parameter? [closed]
... one of those things that you should do whatever you prefer and both are really correct?
26 Answers
...
Converting Secret Key into a String and Vice Versa
... throws InvalidParameterException {
try {
if (Cipher.getMaxAllowedKeyLength("AES") < keysize) {
// this may be an issue if unlimited crypto is not installed
throw new InvalidParameterException("Key size of " + keysize
+ " not supported i...
Fastest way to implode an associative array with keys
...
I wonder if this is really the fastest way for the general question. There is some encoding going on in this function. So, if it's not for a URL, is this really faster than array_walk and what if you don't want it encoded?
–...
Get screen width and height in Android
...
@EpicPandaForce actually I was thinking of Android Oreo which allows launching an activity on another display, see the following: developer.android.com/reference/android/app/…
– satur9nine
Jul 10 '18 at 2...
How to get JSON from webpage into Python script
...
Get data from the URL and then call json.loads e.g.
Python3 example:
import urllib.request, json
with urllib.request.urlopen("http://maps.googleapis.com/maps/api/geocode/json?address=google") as url:
data = json.loads(url.read().decode())
print(d...
Android: Clear Activity Stack
... navigates to login Screen and from there user can exit by cancel button (calling system.exit(0) )
11 Answers
...
Android Webview - Completely Clear the Cache
...te the files older than numDays days from the application cache
* 0 means all files.
*/
public static void clearCache(final Context context, final int numDays) {
Log.i(TAG, String.format("Starting cache prune, deleting files older than %d days", numDays));
int numDeletedFiles = clearCacheF...
How to validate an email address in PHP
...($email, FILTER_VALIDATE_EMAIL)) {
// invalid emailaddress
}
Additionally you can check whether the domain defines an MX record:
if (!checkdnsrr($domain, 'MX')) {
// domain is not valid
}
But this still doesn't guarantee that the mail exists. The only way to find that out is by sending ...