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Should functions return null or an empty object?
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Returning null is usually the best idea if you intend to indicate that no data is available.
An empty object implies data has been returned, whereas returning null clearly indicates that nothing has been returned.
Additionally, returning a null will result ...
Push Notifications in Android Platform
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Google's official answer is the Android Cloud to Device Messaging Framework (deprecated) Google Cloud Messaging(deprecated) Firebase Cloud Messaging
It will work on Android >= 2.2 (on phones that have the Play Store).
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How can I update a single row in a ListView?
...u solve this with ListView#getFirstVisiblePosition().
Example:
private void updateView(int index){
View v = yourListView.getChildAt(index -
yourListView.getFirstVisiblePosition());
if(v == null)
return;
TextView someText = (TextView) v.findViewById(R.id.sometextview);...
Create and append dynamically
...g to create a <div> dynamically, with an appended <div> inside. I have this so far which works:
9 Answers
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Push to GitHub without a password using ssh-key
...iece of sample output:
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debug1: Trying private key: /c/Users/Yuci/.ssh/id_rsa
debug1: Trying private key: /c/Users/Yuci/.ssh/id_dsa
debug1: Trying private key: /c/Users/Yuci/.ssh/id_ecdsa
debug1: Trying private key: /c/Users/Yuci/.ssh/id_ed25519
debug1: No more authentication methods to try.
Per...
How can I read SMS messages from the device programmatically in Android?
...t to prevent exception
do {
String msgData = "";
for(int idx=0;idx<cursor.getColumnCount();idx++)
{
msgData += " " + cursor.getColumnName(idx) + ":" + cursor.getString(idx);
}
// use msgData
} while (cursor.moveToNext());
} else {
// empty ...
How to tell if a tag failed to load
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But the timeout has to be provided by the page's coder right? So the coder might choose a different timeout to the browser, assume the script load timed out, and then have it succeed a bit later. Or not?
– hippietrail
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How to remove duplicate values from a multi-dimensional array in PHP
...code instead of PHP serialization. should have benefits for the values provided and you don't run into PHP serialization details that serialize/unserialize ships with and most likely are unwanted.
– hakre
Aug 23 '14 at 13:38
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jQuery validate: How to add a rule for regular expression validation?
I am using the jQuery validation plugin . Great stuff! I want to migrate my existing ASP.NET solution to use jQuery instead of the ASP.NET validators. I am missing a replacement for the regular expression validator. I want to be able to do something like this:
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Android Studio: Plugin with id 'android-library' not found
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Instruct Gradle to download Android plugin from Maven Central repository.
You do it by pasting the following code at the beginning of the Gradle build file:
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath ...