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Convert RGBA PNG to RGB with PIL
... full transparency. You will need to iterate across all pixels and convert ones with full transparency to white.
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How to check if Location Services are enabled?
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you could check to see if the phone is in airplane mode and handle it.... stackoverflow.com/questions/4319212/…
– John
Apr 15 '15 at 19:29
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Why aren't variables declared in “try” in scope in “catch” or “finally”?
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Everyone else has brought up the basics -- what happens in a block stays in a block. But in the case of .NET, it may be helpful to examine what the compiler thinks is happening. Take, for example, the following try/catch code (not...
Get all elements but the first from an array
Is there a one-line easy linq expression to just get everything from a simple array except the first element?
2 Answers
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Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
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With the Java optional package or Oracle JDK installed,
adding one of the following lines to your ~/.bash_profile file will set the environment variable accordingly.
export JAVA_HOME="$(/usr/libexec/java_home -v 1.6)"
or
export JAVA_HOME="$(/usr/libexec/java_home -v 1.7)"
or
export JAVA...
Is there a concurrent List in Java's JDK?
... The result of synchronizedList is "synchronized" but not "concurrent". One fundamental issue that many List operations -- which are index-based -- are themselves not atomic and need to be part of a larger mutual exclusion construct.
– user166390
Aug 2 '11 a...
Add a new column to existing table in a migration
...:table() method (as you're accessing an existing table, not creating a new one). And you can add a column like this:
public function up()
{
Schema::table('users', function($table) {
$table->integer('paid');
});
}
and don't forget to add the rollback option:
public function do...
How to expand folded package chain in Intellij IDEA?
Intellij IDEA automatically chain packages together if the intermediate ones are otherwise empty. It is a nice feature in general. However, sometimes you don't want them to be chained, especially when you are in the middle of creating new package structures for your new project. I might have come ac...
Autolayout - intrinsic size of UIButton does not include title insets
...content." And the OP didn't say anything about different buttons, just the one.
– Maarten
Jul 23 '13 at 11:43
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Java maximum memory on Windows XP
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@ChristopherSmith, Btw, you mentioned "other programs running on the system shouldn't necessarily impact your heap size". If so, how do we explain this result: stackoverflow.com/questions/9303889/… ?
– Pacerier
Jan 21...