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Multiple file extensions in OpenFileDialog
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Based on First answer here is the complete image selection options:
Filter = @"|All Image Files|*.BMP;*.bmp;*.JPG;*.JPEG*.jpg;*.jpeg;*.PNG;*.png;*.GIF;*.gif;*.tif;*.tiff;*.ico;*.ICO
|PNG|*.PNG;*.png
|JP...
puts vs logger in rails rake tasks
...you can add this code into config/environments/development.rb :
if File.basename($0) == 'rake'
# http://stackoverflow.com/questions/2246141/puts-vs-logger-in-rails-rake-tasks
log_file = Rails.root.join("log", "#{Rails.env}.log")
Rails.logger = ActiveSupport::Logger.new(log_file)
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Converting from Integer, to BigInteger
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Amar, that would be similar to other String-based approaches. The key thing to avoid here is any generation or parsing of Strings.
– jbindel
Aug 5 '13 at 3:27
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In mongoDb, how do you remove an array element by its index?
...eed the operation to be atomic, we could:
Read the document from the database
Update the document and remove the item in the array
Replace the document in the database. To ensure the document has not changed since we read it, we can use the update if current pattern described in the mongo docs
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How to zip a whole folder using PHP
...ere the zip application is in the search path. Should be true for all unix-based and I guess most windows-based servers.
exec('zip -r archive.zip "My folder"');
unlink('My\ folder/index.html');
unlink('My\ folder/picture.jpg');
The archive will reside in archive.zip afterwards. Keep in mind that ...
How to call a Parent Class's method from Child Class in Python?
...an Adam's because you demonstrated using a new-style class with the object base class. Just missing the link to new-style classes.
– Samuel
Jan 9 '15 at 21:41
add a comment
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How can I get color-int from color resource?
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Based on the new Android Support Library (and this update), now you should call:
ContextCompat.getColor(context, R.color.name.color);
According to the documentation:
public int getColor (int id)
This method was deprecat...
Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?
...raries. Instead, you can use late binding either in the form of convention-based assembly-scanning (preferred) or XML configuration.
When you do that, however, you must remember to copy the assemblies to the application's bin folder, because that no longer happens automatically. Personally, I rarel...
Android Camera Preview Stretched
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I'm using this method -> based on API Demos to get my Preview Size:
private Camera.Size getOptimalPreviewSize(List<Camera.Size> sizes, int w, int h) {
final double ASPECT_TOLERANCE = 0.1;
double targetRatio=(double)h / w;
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How to make “if not true condition”?
...== 0 )) ; then ...`
which also gives you the benefit of using the c-lang based comparison operators, ==,<,>,>=,<=,% and maybe a few others.
In this case, per a comment by Orwellophile, the arithmetic evaluation can be pared down even further, like
if ! (( $(grep -c "sysa" /etc/passw...