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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:
...
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...
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).
...
What is the MySQL VARCHAR max size?
...er is subject to the maximum row size (65,535 bytes, which is shared among all columns) and the character set used.
However, note that the limit is lower if you use a multi-byte character set like utf8 or utf8mb4.
Use TEXT types inorder to overcome row size limit.
The four TEXT types are TINY...
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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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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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...
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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How to list all Git tags?
...<pattern>
List tags with names that match the given pattern (or all if no pattern is given).
Typing "git tag" without arguments, also lists all tags.
More recently ("How to sort git tags?", for Git 2.0+)
git tag --sort=<type>
Sort in a specific order.
Supported type...
Why is address zero used for the null pointer?
...emory, because it means freeing the pointer again isn't dangerous; when I call malloc it returns a pointer with the value zero if it can't get me memory; I use if (p != 0) all the time to make sure passed pointers are valid, etc.
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