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Is it expensive to use try-catch blocks even if an exception is never thrown?
...tln:(Ljava/lang/String;)V
17: aload_1
18: athrow
Exception table:
from to target type
0 9 8 any
}
No "GOTO".
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When to wrap quotes around a shell variable?
...ull
file:I can't get this @&$*!! quoting right.
Double quotes are suitable when variable interpolation is required. With suitable adaptations, it is also a good workaround when you need single quotes in the string. (There is no straightforward way to escape a single quote between single quot...
JavaScript ternary operator example with functions
...cked")) ? removeItem($this) : addItem($this);
As for wether this is acceptable syntax, it sure is! It's a great way to reduce four lines of code into one without impacting readability. The only word of advice I would give you is to avoid nesting multiple ternary statements on the same line (that...
Django connection to PostgreSQL: “Peer authentication failed”
...op on your connection is probably going to run your hash through a rainbow table and break your security anyhow.
– Lyndsy Simon
Sep 22 '12 at 18:25
1
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What is the best CSS Framework and are they worth the effort?
...r presentation into your markup. 'div class="span-24"' is no better than a table, you'll have to go back in there and change the markup to affect the layout. And all the frameworks I've seen are based around fixed-pixel floated boxes, making it impossible to create a liquid layout accessible on a wi...
What is the most efficient Java Collections library? [closed]
...might not care about this technical detail, he wants to store data representable with ints efficiently.
First the relevant part of the code:
new Operation() {
private long usedMem() {
System.gc();
return Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
...
Apply CSS styles to an element depending on its child elements
...ange the cell padding of an element that contained an input checkbox for a table that's being dynamically rendered with DataTables:
<td class="dt-center">
<input class="a" name="constCheck" type="checkbox" checked="">
</td>
After implementing the following line code within ...
Why is it a bad practice to return generated HTML instead of JSON? Or is it?
...ely'? I mean exactly what you mean. Just trying to get into the book of quotable quotes here. Ha ha!
– Cyril Gupta
Aug 17 '09 at 14:45
37
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What is declarative programming? [closed]
...tion for a completely different user just executed a similar query and the table that you are joining with and that you worked so hard to avoid loading is already in memory anyway.
There is an interesting trade-off here: the machine has to work harder to figure out how to do something than it would...
Pointer to pointer clarification
... "lvalue" instead of "variable", but I feel it is more clear to describe mutable storage locations as "variables".)
So we have variables:
int i = 5, j = 6;
int *ip1 = &i, *ip2 = &j;
Variable ip1 contains a pointer. The & operator turns i into a pointer and that pointer value is assig...