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What happens to a declared, uninitialized variable in C? Does it have a value?
... indeterminate if storage class is auto
C has always been very specific about the initial values of objects. If global or static, they will be zeroed. If auto, the value is indeterminate.
This was the case in pre-C89 compilers and was so specified by K&R and in DMR's original C report.
This w...
Curly braces in string in PHP
...this syntax. Simply write the
expression the same way as it would appear outside the string, and
then wrap it in { and }. Since { can not be escaped, this syntax
will only be recognised when the $ immediately follows the {. Use
{\$ to get a literal {$. Some examples to make it clear:
<?p...
Is there a concise way to iterate over a stream with indices in Java 8?
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How about IntStream.range(0, names.length).filter(i->names[i].length()<=i).mapToObj(i->names[i])? It does work without boxing…
– Holger
Mar 3 '14 at 22:38
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Pretty-Print JSON in Java
...
It is possible to answer the OP's question without needing additional libraries, as you can simply access the JSON parser embedded in Rhino (JDK 1.7 and up). I don't think it is desirable to add a library to a project just to format some debugging output. scriptEngin...
How do I simulate a hover with a touch in touch enabled browsers?
...
OK, I've worked it out! It involves changing the CSS slightly and adding some JS.
Using jQuery to make it easy:
$(document).ready(function() {
$('.hover').on('touchstart touchend', function(e) {
e.preventDefault();
$(this)...
Convert character to ASCII numeric value in java
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@R.J - ok I hadn't thought about it
– Ricardo Cacheira
May 10 '13 at 9:55
9
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What does the “===” operator do in Ruby? [duplicate]
I've seen it used a few times lately but can't figure out what it does. Can anyone illustrate how it works?
3 Answers
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What causes and what are the differences between NoClassDefFoundError and ClassNotFoundException?
...LASSPATH.
private static SomeClass foo = new SomeClass();
Tip : To find out which jar a class belongs to, you can use the web site jarFinder . This allows you to specify a class name using wildcards and it searches for the class in its database of jars. jarhoo allows you to do the same thing but...
Using varchar(MAX) vs TEXT on SQL Server
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I didn't know that it would store in the page at 8k, and out of the page if larger. Very cool.
– Brain2000
May 11 '12 at 18:35
3
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How to manually set an authenticated user in Spring Security / SpringMVC
...the old session id is still being identified from the cookie. Gotta figure out why now, but at least I'm clearly on track. Thanks!
– David Parks
Jan 13 '11 at 0:47
4
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