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How to clear the canvas for redrawing
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sdgfsdh
20.5k1313 gold badges7171 silver badges150150 bronze badges
answered Jan 26 '10 at 20:52
Pentium10Pentium10
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Android: how to handle button click
...computational functionality (Java Class Files). It also makes for easier debugging. It is actually a lot easier to read this way and think about Android imo.
Question 2:
I believe the two mainly used are #2 and #3. I will use a Button clickButton as an example.
2
is in the form of an anonymous class...
Media query to detect if device is touchscreen
...odernizr and using its media query features.
if (Modernizr.touch){
// bind to touchstart, touchmove, etc and watch `event.streamId`
} else {
// bind to normal click, mousemove, etc
}
However, using CSS, there are pseudo class like, for example in Firefox. You can use :-moz-system-metric(to...
How accurately should I store latitude and longitude?
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klaussner
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answered Nov 26 '12 at 19:02
NoushadNoushad
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What does MissingManifestResourceException mean and how to fix it?
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All I needed to do to fix this problem was to right-click the Resources.resx file in the Solution Explorer and click Run Custom Tool. This re-generates the auto-generated Resources.Designer.cs file.
If the .resx file was added to the project manually, the Cu...
Bash function to find newest file matching pattern
In Bash, I would like to create a function that returns the filename of the newest file that matches a certain pattern. For example, I have a directory of files like:
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python pandas remove duplicate columns
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There's a one line solution to the problem. This applies if some column names are duplicated and you wish to remove them:
df = df.loc[:,~df.columns.duplicated()]
How it works:
Suppose the columns of the data frame are ['alpha','beta','alpha']
df.columns.dupl...
Cannot ping AWS EC2 instance
I have an EC2 instance running in AWS. When I try to ping from my local box it is not available.
25 Answers
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In Bash, how can I check if a string begins with some value?
I would like to check if a string begins with "node" e.g. "node001". Something like
13 Answers
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How to “git clone” including submodules?
I'm trying to put a submodule into a repo. The problem is that when I clone the parent repo, the submodule folder is entirely empty.
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