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Advantage of switch over if-else statement
What's the best practice for using a switch statement vs using an if statement for 30 unsigned enumerations where about 10 have an expected action (that presently is the same action). Performance and space need to be considered but are not critical. I've abstracted the snippet so don't hate m...
How do you change Background for a Button MouseOver in WPF?
I have a button on my page with this XAML:
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Difference between val() and text()
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.val() works on input elements (or any element with a value attribute?) and .text() will not work on input elements. .val() gets the value of the input element -- regardless of type. .text() gets the innerText (not HTML) of all the matched el...
Why is the use of alloca() not considered good practice?
alloca() allocates memory on the stack rather than on the heap, as in the case of malloc() . So, when I return from the routine the memory is freed. So, actually this solves my problem of freeing up dynamically allocated memory. Freeing of memory allocated through malloc() is a major headache an...
Comma in C/C++ macro
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Because angle brackets can also represent (or occur in) the comparison operators <, >, <= and >=, macro expansion can't ignore commas inside angle brackets like it does within parentheses. (This is also a problem for square brackets and braces, e...
How to create a bash script to check the SSH connection?
I am in the process of creating a bash script that would log into the remote machines and create private and public keys.
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Delete all but the most recent X files in bash
Is there a simple way, in a pretty standard UNIX environment with bash, to run a command to delete all but the most recent X files from a directory?
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How to make a floated div 100% height of its parent?
...nt, and have #inner base its height on that, make both elements absolutely positioned.
More details can be found in the spec for the css height property, but essentially, #inner must ignore #outer height if #outer's height is auto, unless #outer is positioned absolutely. Then #inner height will be...
What is a good Hash Function?
What is a good Hash function? I saw a lot of hash function and applications in my data structures courses in college, but I mostly got that it's pretty hard to make a good hash function. As a rule of thumb to avoid collisions my professor said that:
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Auto line-wrapping in SVG text
I would like to display a <text> in SVG what would auto-line-wrap to the container <rect> the same way as HTML text fills <div> elements. Is there a way to do it? I don't want to position lines sparately by using <tspan> s.
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