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Which is more efficient, a for-each loop, or an iterator?
...n invokeInterface virtual call (go through all the classes, then do method table lookup before the jump).
the implementation of the iterator has to do at least 2 fields lookup in order to make hasNext() call figure the value: #1 get current count and #2 get total count
inside the body loop, there is...
How to implement if-else statement in XSLT?
...attribute exists-->
<p>
<dd><table border="1">
<tbody>
<tr>
<th>File Name</th>
<th>File Size</th>
...
What is the closest thing Windows has to fork()?
...
Cygwin has fully featured fork() on Windows. Thus if using Cygwin is acceptable for you, then the problem is solved in the case performance is not an issue.
Otherwise you can take a look at how Cygwin implements fork(). From a quite old Cygwin's architecture doc:
5.6. Process Creation
The f...
Why should we typedef a struct so often in C?
...les, and enumeration constants).
C compilers maintain tags in a symbol
table that's conceptually if not
physically separate from the table
that holds all other names. Thus, it
is possible for a C program to have
both a tag and an another name with
the same spelling in the same scope.
...
Find XOR of all numbers in a given range
...f() function calculates the XOR total run from [0, a]. Take a look at this table for 4-bit numbers:
0000 <- 0 [a]
0001 <- 1 [1]
0010 <- 3 [a+1]
0011 <- 0 [0]
0100 <- 4 [a]
0101 <- 1 [1]
0110 <- 7 [a+1]
0111 <- 0 [0]
1000 <- 8 [a]
1001 <- 1 [1]
1010 <- 11 [...
Too many 'if' statements?
...
If you cannot come up with a formula, you can use a table for such a limited number of outcomes:
final int[][] result = new int[][] {
{ 0, 0, 1, 2 },
{ 0, 0, 2, 1 },
{ 2, 1, 3, 3 },
{ 1, 2, 3, 3 }
};
return result[one][two];
...
How to use underscore.js as a template engine?
...eate your template -->
<script type="foo/bar" id='usageList'>
<table cellspacing='0' cellpadding='0' border='1' >
<thead>
<tr>
<th>Id</th>
<th>Name</th>
</tr>
</thead>
<tbody>
<%
...
Why is setTimeout(fn, 0) sometimes useful?
...ustrating these examples: http://jsfiddle.net/C2YBE/31/ :
HTML code:
<table border=1>
<tr><td><button id='do'>Do long calc - bad status!</button></td>
<td><div id='status'>Not Calculating yet.</div></td>
</tr>
&l...
Change the Right Margin of a View Programmatically?
... As per your NOTE: I have doubt. If the textview or a button is inside a table row? Then what should I use instead of Relative Layout, Table Layout?
– tejas
Jun 27 '13 at 4:19
1
...
C state-machine design [closed]
...I've no doubt there will be higher-level abstractions which may be more suitable nowadays but I suspect they'll all boil down to this same sort of structure.
And, as ldog states in a comment, you can avoid the globals altogether by passing a structure pointer to all functions (and using that in ...