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Fundamental difference between Hashing and Encryption algorithms
...unknown data to the hash. So instead of finding anything that matches md5(foo), they need to find something that when added to the known salt produces md5(foo.salt) (which is very much harder to do). But it still doesn't solve the speed problem since if they know the salt it's just a matter of run...
CreateElement with id?
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Why not do this with jQuery?
var newDiv= $('<div/>', { id: 'foo', class: 'tclose'})
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Get the value of checked checkbox?
...ineer "Saving bytes" because we must simply write document.getElementById("foo").value(); and "saving calculations" because getElementById is surely speedier than getElementsByTagName and a loop.
– Mageek
Jul 22 '12 at 11:20
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Is there a way to make a DIV unselectable?
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}
For IE, you must use JS or insert attribute in html tag.
<div id="foo" unselectable="on" class="unselectable">...</div>
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follo...
Delete a key from a MongoDB document using Mongoose
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what about deleting doc.field.foo ?
– chovy
Jul 15 '14 at 4:28
28
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Write to file, but overwrite it if it exists
... overwrite one file's content to another file. use cat eg.
echo "this is foo" > foobar.txt
cat foobar.txt
echo "this is bar" > bar.txt
cat bar.txt
Now to overwrite foobar we can use a cat command as below
cat bar.txt >> foobar.txt
cat foobar.txt
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Default constructor with empty brackets
...nside functions. It's called local functions in C, and at least extern "C" foo();-style is also allowed in C++.
– Marc Mutz - mmutz
Aug 8 '09 at 10:20
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JSLint says “missing radix parameter”
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I solved it with just using the +foo, to convert the string.
Keep in mind it's not great for readability (dirty fix).
console.log( +'1' )
// 1 (int)
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if…else within JSP or JSTL
...the following JSTL:
<c:choose>
<c:when test="${myvar.equals('foo')}">
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</c:when>
<c:when test="${myvar.equals('bar')}">
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</c:when>
<c:otherwise>
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</c:otherwise>
</c:choose>
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Java - get the current class name?
...in the context of anonymous handler class.
let's say:
class A {
void foo() {
obj.addHandler(new Handler() {
void bar() {
String className=A.this.getClass().getName();
// ...
}
});
}
}
it will achieve the same result....