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Why use iterators instead of array indices?
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@GMan - in almost all implementations, size() is fast for lists just as much for vectors. Next version of the standard will require this to be true. The real problem is the slowness of retreval by position.
– Daniel Earwi...
jQuery - select all text from a textarea
... around a problem in Chrome that prevents the simplest version (i.e. just calling the textarea's select() method in a focus event handler) from working.
jsFiddle: http://jsfiddle.net/NM62A/
Code:
<textarea id="foo">Some text</textarea>
<script type="text/javascript">
var te...
Create an empty data.frame
I'm trying to initialize a data.frame without any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result.
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Virtual functions and performance - C++
...e a very slight effect on performance, but it's unlikely to affect the overall performance of your application. Better places to look for performance improvements are in algorithms and I/O.
An excellent article that talks about virtual functions (and more) is Member Function Pointers and the Fastes...
CSS 100% height with padding/margin
...about IE compatibility, I unfortunately have to. This solution didn't initially work under IE6. Adding Dean Edwards' IE9.js to the page made this work. Now I just have to hope and pray that the relative/absolute positioning doesn't screw with something in a child element...
– C...
Replace transparency in PNG images with white background
...ings with Image Magick "convert" operations, but either nothing happens at all or I get an error. I don't want to go to an intermediate JPG form because I don't want the artifacts. Of course it's easy to do this in Gimp or Photoshop or whatever, but I'd really rather script it from the command lin...
Can you Run Xcode in Linux?
...l toolchain for Xcode (the gcc compiler family, the gdb debugger, etc.) is all open source and common to Unix and Linux platforms. But the IDE--the editor, project management, indexing, navigation, build system, graphical debugger, visual data modeling, SCM system, refactoring, project snapshots, e...
Explain the “setUp” and “tearDown” Python methods used in test cases
...nd tearDown methods while writing test cases apart from that setUp is called immediately before calling the test method and tearDown is called immediately after it has been called?
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Apply formula to the entire column
I'm trying to recode all the zip code from Column A into Column B with the formula:
10 Answers
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Git push error '[remote rejected] master -> master (branch is currently checked out)'
... remote repository folder:
git config --bool core.bare true
Then delete all the files except .git in that folder. And then you will be able to perform git push to the remote repository without any errors.
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