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How to get the directory of the currently running file?
...2017'? It seems time machine has been invented and we have members posting from the future. It is nice to know a future version will have reliable cross platform method, In the meantime we have to stick to currently available solutions.
– ljgww
Jan 13 '17 at 8:...
'str' object does not support item assignment in Python
I would like to read some characters from a string and put it into other string (Like we do in C).
7 Answers
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validation custom message for rails 3
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How do I remove the :title from the error message above? Above displays as "Title Story title is required". I want "Story title is required." Thanks.
– datauser
Oct 6 '11 at 6:37
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Cryptic “Script Error.” reported in Javascript in Chrome and Firefox
...ain of the current page.
This behavior is intentional, to prevent scripts from leaking information to external domains. For an example of why this is necessary, imagine accidentally visiting evilsite.com, that serves up a page with <script src="yourbank.com/index.html">. (yes, we're pointin...
Extract traceback info from an exception object
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Yes, it is meant to be used. From What’s New In Python 3.0 "PEP 3134: Exception objects now store their traceback as the traceback attribute. This means that an exception object now contains all the information pertaining to an exception, and there ar...
Sort array of objects by object fields
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Use usort, here's an example adapted from the manual:
function cmp($a, $b) {
return strcmp($a->name, $b->name);
}
usort($your_data, "cmp");
You can also use any callable as the second argument. Here are some examples:
Using anonymous functions (from...
How can I do something like a FlowLayout in Android?
...ders be aware that the code on the link has some serious issues and is far from drop-in solution. I've had two major issues in this small code base already. I won't post the fixes because they are duct tape solutions for my particular needs...
– Nemanja Kovacevic
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Can inner classes access private variables?
...t is similar to what @LokiAstari shown us in his answer. Here's an excerpt from Effective Java 2nd Ed "Item 22: Favor static member classes over nonstatic": "If you omit this modifier (static keyword when declaring inner class), each instance will have an extraneous reference to its enclosing instan...
Sound effects in JavaScript / HTML5
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Thanks for noting this. I learned this method from has.js, but I find it has some issues in Firefox, and apparently in Opera too according to the has.js source code. (refs: github.com/phiggins42/has.js/issues/48 github.com/phiggins42/has.js/blob/master/detect/audio.js#L1...
is guava-libraries available in maven repo?
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Starting from r03, Guava releases may be found in the central Maven repository.
You may include Guava by adding the following dependency to your POM:
<dependency>
<groupId>com.google.guava</groupId>
<art...