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Specify multiple attribute selectors in CSS
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Simple input[name=Sex][value=M] would do pretty nice. And it's actually well-described in the standard doc:
Multiple attribute selectors can be used to refer to several
attributes of an element, or even several times to the same attribute.
Here, the selector matches a...
Add unique constraint to combination of two columns
I have a table and, somehow, the same person got into my Person table twice. Right now, the primary key is just an autonumber but there are two other fields that exist that I want to force to be unique.
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Skip download if files exist in wget?
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-nc doesn't prevent the sending of the HTTP request and subsequent downloading of the file. It just doesn't do anything after downloading the file if the file has already been fully retrieved. Is there anyway to prevent making the HTTP request if the file already exists? stack...
Android Studio/Intellij Idea: “Table of Contents” for a class
I have been messing around with Android Studio and so far I like most of what I have seen. One thing that has been annoying me though is this lack of "Table of Contents" for a class. I apologize for not knowing exactly what to call it. But what I am referring to is the dropdown menu in eclipse that ...
How can I trigger an onchange event manually? [duplicate]
... the onchange listener is a function set via the element.onchange property and you're not bothered about the event object or bubbling/propagation, the easiest method is to just call that function:
element.onchange();
If you need it to simulate the real event in full, or if you set the event via t...
How do I force Sublime Text to indent two spaces per tab?
...this configuration to Ruby files, first open up a Ruby file in the editor, and then go to Preferences -> Settings - Syntax Specific. This should open a settings window named Ruby.sublime-settings
Save these settings:
{
"tab_size": 2,
"translate_tabs_to_spaces": true,
"detect_indentation":...
What is reflection and why is it useful?
What is reflection, and why is it useful?
21 Answers
21
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Creating an empty bitmap and drawing though canvas in Android
I'd like to create an empty bitmap and set a canvas to that bitmap and then draw any shape on the bitmap.
2 Answers
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What is the smallest possible valid PDF?
...oy. Acrobat opens it, but it complains somewhat. There is one page in it and it is 3/72" square, the minimum allowed by the spec.
However, Acrobat X doesn't even bother with the cross reference table anymore, so we can take that out:
%PDF-1.0
1 0 obj<</Type/Catalog/Pages 2 0 R>>endo...
Dynamic array in C#
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The question (albeit short and undescriptive) isn't asking about a generic list - Question could be asking about dynamic[] msdn.microsoft.com/en-GB/library/dd264736.aspx (array of dynamic types) or ExpandoObject msdn.microsoft.com/en-us/library/… I c...