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How do I create a file and write to it in Java?
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Note that each of the code samples below may throw IOException. Try/catch/finally blocks have been omitted for brevity. See this tutorial for information about exception handling.
Note that each of the code samples below will overwrite the file if it already exists
Creating...
How to return a result (startActivityForResult) from a TabHost Activity?
...0/27/how-to-finish-activity-with-results/
With a slight modification for "param_result"
/* Start Activity */
public void onClick(View v) {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setClassName("com.thinoo.ActivityTest", "com.thinoo.ActivityTest.NewActivity");
startActivit...
Get size of folder or file
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java.io.File file = new java.io.File("myfile.txt");
file.length();
This returns the length of the file in bytes or 0 if the file does not exist. There is no built-in way to get the size of a folder, you are going to have to walk...
How do I query using fields inside the new PostgreSQL JSON datatype?
... object access. 4 example
seed.rb
se = SmartElement.new
se.data =
{
params:
[
{
type: 1,
code: 1,
value: 2012,
description: 'year of producction'
},
{
type: 1,
code: 2,
value: 30,
...
How to use the same C++ code for Android and iOS?
Android with NDK has support to C/C++ code and iOS with Objective-C++ has support too, so how can I write applications with native C/C++ code shared between Android and iOS?
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How to clone an InputStream?
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If all you want to do is read the same information more than once, and the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream.
Then you can obtain the associated array of bytes and open as many "cloned" B...
Laravel 4 Eloquent Query Using WHERE with OR AND OR?
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Make use of Parameter Grouping (Laravel 4.2). For your example, it'd be something like this:
Model::where(function ($query) {
$query->where('a', '=', 1)
->orWhere('b', '=', 1);
})->where(function ($query) {
$q...
How do I get the current version of my iOS project in code?
I would like to be able to get the current version of my iOS project/app as an NSString object without having to define a constant in a file somewhere. I don't want to change my version value in 2 places.
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How to write PNG image to string with the PIL?
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You can use the BytesIO class to get a wrapper around strings that behaves like a file. The BytesIO object provides the same interface as a file, but saves the contents just in memory:
import io
with io.BytesIO() as output:
image.save(outpu...
The selected run destination is not valid for this action
...one/ipad. I can't build it now because for some reason my only "Scheme" option is "MyApp My Mac 64-bit". How can I get this set back to iphone/ipad simulator and devices? My "Targeted Device Family" setting is iPhone/iPad.
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