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Strings are objects in Java, so why don't we use 'new' to create them?
...s like "abcd" but not like new String("abcd")] in Java are interned - this means that every time you refer to "abcd", you get a reference to a single String instance, rather than a new one each time. So you will have:
String a = "abcd";
String b = "abcd";
a == b; //True
but if you had
String a...
Composer: how can I install another dependency without updating old ones?
...with:
requirements A,B,C,D in .json
but only A,B,C in the .lock
In the meantime, A,B,C had newer versions with respect when the lock was generated.
For some reason, I deleted the "vendors" and wanted to do a composer install and failed with the message:
Warning: The lock file is not up to date...
How can I get clickable hyperlinks in AlertDialog from a string resource?
... .setTitle(R.string.dialog_title)
.setCancelable(true)
.setIcon(android.R.drawable.ic_dialog_info)
.setPositiveButton(R.string.dialog_action_dismiss, null)
.setView(message)
.create();
}
}
As shown here
http://picasaweb.google.com/lh/photo/up29wTQeK_zuz-LLvre9wQ?feat=directlink
...
How to determine if Javascript array contains an object with an attribute that equals a given value?
...
2018 edit: This answer is from 2011, before browsers had widely supported array filtering methods and arrow functions. Have a look at CAFxX's answer.
There is no "magic" way to check for something in an array without a loop. Even if you use some function, the function itself will u...
How to take backup of a single table in a MySQL database?
...You can use easily to dump selected tables using MYSQLWorkbench tool ,individually or group of tables at one dump then import it as follow: also u can add host information if u are running it in your local by adding -h IP.ADDRESS.NUMBER after-u username
mysql -u root -p databasename < dumpfileFO...
What are naming conventions for MongoDB?
...oDB official documentation mentions you may use underscores, also built-in identifier is named _id (but this may be be to indicate that _id is intended to be private, internal, never displayed or edited.
share
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How do I display an alert dialog on Android?
...lly dismissed when a dialog button is clicked.
.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// Continue with delete operation
}
})
// A null listener allows the but...
Android draw a Horizontal line between views
...ray colored Line between TextView & ListView
<TextView
android:id="@+id/textView1"
style="@style/behindMenuItemLabel1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="1dp"
android:text="FaceBook Feeds" />
<V...
What techniques can be used to speed up C++ compilation times?
...file (.gch is the extension for PCH files in GCC) in the same folder. This means that if you include YOUR_HEADER.hpp in some other file, the compiler will use your YOUR_HEADER.hpp.gch instead of YOUR_HEADER.hpp in the same folder before.
There are two issues with this technique:
You have to make su...
Do subclasses inherit private fields?
...rivate fields. As he states, having no access to a private member doesn't mean its not there.
However. This is different than the notion of inheritance for a class. As is the case in the java world, where there is a question of semantics the arbiter is the Java Language Specification (currently ...