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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
...ot guaranteed to be be perfect in any way, but did achieve my needs at the time.
$uploadTempFile = $myField[ 'tmp_name' ]
list( $uploadWidth, $uploadHeight, $uploadType )
= getimagesize( $uploadTempFile );
$srcImage = imagecreatefrompng( $uploadTempFile );
$targetImage = imagecreatetruecolor(...
Constructors vs Factory Methods [closed]
...ages:
They have names.
They are not required to create a new object each time they are invoked.
They can return an object of any subtype of their return type.
They reduce verbosity of creating parameterized type instances.
Static factory methods disadvantages:
When providing only static factor...
How to lay out Views in RelativeLayout programmatically?
... setId(int). This value will not collide with ID values generated at build time by aapt for R.id. Example: tv[l_idx].setId(View.generateViewId());
– AndrewBloom
May 3 '17 at 13:28
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iOS: Multi-line UILabel in Auto Layout
I'm having trouble trying to achieve some very basic layout behavior with Auto Layout. My view controller looks like this in IB:
...
Label encoding across multiple columns in scikit-learn
I'm trying to use scikit-learn's LabelEncoder to encode a pandas DataFrame of string labels. As the dataframe has many (50+) columns, I want to avoid creating a LabelEncoder object for each column; I'd rather just have one big LabelEncoder objects that works across all my columns of data. ...
How to emulate GPS location in the Android Emulator?
...ition, to make your different locations coming to your application in real time, you can use GPX file. It's very easy to create this file from Google Map direction link:
Go to google map, choose a location, then press "Directions" and enter the second location.
After route is created, copy a link ...
Naming convention for unique constraint
Naming conventions are important, and primary key and foreign key have commonly used and obvious conventions ( PK_Table and FK_Table_ReferencedTable , respectively). The IX_Table_Column naming for indexes is also fairly standard.
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Using jQuery to see if a div has a child with a certain class
I have a div #popup that is dynamically filled with several paragraphs with the class .filled-text . I'm trying to get jQuery to tell me if #popup has one of these paragraphs in it.
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Ant task to run an Ant target only if a file exists?
Is there an ANT Task that would execute a block only if a given file exists? I have the problem that I have a generic ant script that should do some special processing but only if a specific configuration file is present.
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Which is better, return value or out parameter?
If we want to get a value from a method, we can use either return value, like this:
17 Answers
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