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Why does flowing off the end of a non-void function without returning a value not produce a compiler
...ur, and in practice it's calling convention and architecture dependent. On one particular system, with one particular compiler, the return value is the result of last expression evaluation, stored in the eax register of that system's processor.
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javac option to compile all java files under a given directory recursively
...e sources.txt file each time you create a new source or rename an existing one file which is an easy to forget (thus error-prone) and tiresome task.
Using a build tool
On the long run it is better to use a tool that was designed to build software.
Using Ant
If you create a simple build.xml file tha...
How to Implement DOM Data Binding in JavaScript
...es the new object instead of a function as the second argument. But this alone won't work.
Implementing the eventListener interface
To make this work, your object needs to implement the eventListener interface. All that's needed to accomplish this is to give the object a handleEvent() method.
T...
How to wait for a number of threads to complete?
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The bugs mentioned in Effective Java should have been fixed in Java 6. If newer java versions aren't a restriction, it's better to use Futures to solve thread problems. Martin v. Löwis: You're right. It's not relecant for that problem, ...
Why are arrays of references illegal?
...s so conspicuously absent from this & similar discussions - is that if one had an array of references, how would one possibly disambiguate between the address of an element & the address of its referent? The immediate objection to 'You can't put a reference in an array/container/whatever' is...
Iterate over a list of files with spaces
...
You could replace the word-based iteration with a line-based one:
find . -iname "foo*" | while read f
do
# ... loop body
done
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Pointer to pointer clarification
...n that pointer value to ip1, so ip1 is now "pointer to j"
We only changed one thing: the value of ip1:
i contains 5
j contains 6
ip1 contains "pointer to j"
ip2 contains "pointer to j"
ipp contains "pointer to ip1"
Why does ipp still point to ip1 and not ip2?
A variable changes when you as...
Cryptic “Script Error.” reported in Javascript in Chrome and Firefox
...visit, and could provide a much more targeted phishing page. (This is just one example, of course. But it illustrates why browsers shouldn't allow any data to cross domain boundaries.)
I've tested this in the latest versions of Safari, Chrome, and Firefox - they all do this. IE9 does not - it tre...
How to save picture to iPhone photo library?
...sibly from the camera, possibly not) to the system photo library on the iPhone?
15 Answers
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PHP String to Float
... floats is a non trivial task. In the English/American notation you format one thousand plus 46*10-2:
1,000.46
But in Germany you would change comma and point:
1.000,46
This makes it really hard guessing the right number in multi-language applications.
I strongly suggest using Zend_Measure of...