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Git : List all unmerged changes in git
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Why does Double.NaN==Double.NaN return false?
...enormalized value or a signed zero, and an operation that has no mathematically definite result produces NaN. All numeric operations with NaN as an operand produce NaN as a result. As has already been described, NaN is unordered, so a numeric comparison operation involving one or two NaNs returns fa...
Get all elements but the first from an array
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Deleting an object in java?
...r leaving the block where it was declared. After that, it will be automatically deleted by the garbage collector (not immediately, but eventually).
Example 1:
Object a = new Object();
a = null; // after this, if there is no reference to the object,
// it will be deleted by the garbage co...
Ruby on Rails and Rake problems: uninitialized constant Rake::DSL
I'm having a really frustrating issue: Rake is being dumb.
19 Answers
19
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Chmod recursively
...have an archive, which is archived by someone else, and I want to automatically, after I download it, to change a branch of the file system within the extracted files to gain read access. (I can't change how archive is created).
...
How can I iterate over an enum?
... Two = 9,
Three = 4,
Last
};
This illustrates that an enum is not really meant to iterate through. The typical way to deal with an enum is to use it in a switch statement.
switch ( foo )
{
case One:
// ..
break;
case Two: // intentional fall-through
case Three:
...
CSS image resize percentage of itself?
...img.fake is the same image.
Browser support note: This method will work in all browsers, because all browsers support css properties used in method.
The method works in this way:
#wrap and #wrap img.fake have flow
#wrap has overflow: hidden so that its dimensions are identical to inner image (img.f...
In .NET, which loop runs faster, 'for' or 'foreach'?
...heaper
than looping on List using foreach
(which I believe, is what we all do).
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Modify SVG fill color when being served as Background-Image
... & height of a page and then use z-index css property to put it behind all the other DOM elements on a page.
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