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How do I import the javax.servlet API in my Eclipse project?
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Ensure you've the right Eclipse and Server
Ensure that you're using at least Eclipse IDE for Enterprise Java developers (with the Enterprise). It contains development tools to create dynamic web projects and easily integrate servletcontainers (those tools a...
CSS hexadecimal RGBA?
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The CSS Color Module Level 4 will probably support 4 and 8-digit hexadecimal RGBA notation!
Three weeks ago (18th of December 2014) the CSS Color Module Level 4 editor's draft was submitted to the CSS W3C Working Group. Though in a state which is heavily susceptible to change...
Circular (or cyclic) imports in Python
... pretty straightforward really. Just remember the following:
'import' and 'from xxx import yyy' are executable statements. They execute
when the running program reaches that line.
If a module is not in sys.modules, then an import creates the new module
entry in sys.modules and then exe...
UITableViewCell show white background and cannot be modified on iOS7
... Unfortunately not true, there seems to be a bug in interface builder and I couldn't set it to my custom cell from the storyboard.
– Tarek Hallak
Sep 29 '13 at 16:55
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How can I update a single row in a ListView?
...ave a ListView which displays news items. They contain an image, a title and some text. The image is loaded in a separate thread (with a queue and all) and when the image is downloaded, I now call notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is gett...
Running SSH Agent when starting Git Bash on Windows
...Other Resources:
"Getting ssh-agent to work with git run from windows command shell" has a similar script, but I'd refer to the GitHub article above primarily, which is more robust and up to date.
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How can I reconcile detached HEAD with master/origin?
...new at the branching complexities of Git. I always work on a single branch and commit changes and then periodically push to my remote origin.
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HTML in string resource?
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You can also surround your html in a CDATA block as well and getString() will return your actual HTML. Like such:
<string name="foo"><![CDATA[Foo Bar <a href="foo?id=%s">baz</a> is cool]]></string>
Now when you perform a getString(R.string.foo) the...
Why are floating point numbers inaccurate?
...t numbers are represented a lot like scientific notation: with an exponent and a mantissa (also called the significand). A very simple number, say 9.2, is actually this fraction:
5179139571476070 * 2 -49
Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is impossibl...
How do I remove the file suffix and path portion from a path string in Bash?
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Here's how to do it with the # and % operators in Bash.
$ x="/foo/fizzbuzz.bar"
$ y=${x%.bar}
$ echo ${y##*/}
fizzbuzz
${x%.bar} could also be ${x%.*} to remove everything after a dot or ${x%%.*} to remove everything after the first dot.
Example:
$ x=...