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Design by contract using assertions or exceptions? [closed]
...ulfilled, before starting to work on its responsibilities, right? The two most prominent ways to do these checks are by assert and by exception .
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CSS @font-face - what does “src: local('☺')” mean?
...e that it was a gotcha by paul irish.
Here is the excerpt from his blog post:
And.. regarding @font-face syntax
I now recommend the bulletproof smiley variation over the original bulletproof syntax.
@font-face {
font-family: 'Graublau Web';
src: url('GraublauWeb.eot');
src: local...
Java: How to get input from System.console()
... reserve). This way the BufferedInputStream makes less native calls to the OS to read from the file. Thanks
– Learner
Jan 1 '16 at 0:21
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Intelligent point label placement in R
... problem:
I did this by hand in Preview (very basic PDF/image viewer on OS X) in just a few minutes. (Edit: The workflow was exactly what you'd expect: I saved the plot as a PDF from R, opened it in Preview and created textboxes with the desired labels (9pt Helvetica) and then just dragged them a...
How can I output UTF-8 from Perl?
...sing the "utf8" pragma, and I'm getting unexpected results. I'm using Mac OS X 10.5 (Leopard), and I'm editing with TextMate. All of my settings for both my editor and operating system are defaulted to writing files in utf-8 format.
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How to update PATH variable permanently from Windows command line?
...and then execute echo %PATH% I see this string added to the PATH. If I close and open the command line, that new string is not in PATH.
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How to export a Vagrant virtual machine to transfer it
... Trying to be that clean, foresightful admin... You don't have to put an OS install iso in your git repo do you? Are you suggesting that, for example. using ansible, your repo would contain the Vagrantfile and an ansible playbook. The Vagrantfile would 1. download a basebox from vagrantcloud 2. r...
What is the difference between pip and conda?
... install multiple versions of the same package side by side when using the OS package manager, not as a core feature. Conda manages environments, each with their own mix of installed packages at specific versions. So project A, having been developed some time ago, can still cling on to an older vers...
B-Tree vs Hash Table
...g is not easy.
Its called RUSH - Replication Under Scalable Hashing, and those algorithms are thus called RUSH algorithms.
However there may be a point where your index exceeds a tolerable size compared to your hash sizes and your entire index needs to be re-built. Usually this is not a problem, bu...
How can I color Python logging output?
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@Swaroop - Those are ANSI escape codes, which you can read look up on Google, or find here: en.wikipedia.org/wiki/ANSI_escape_code, or alternatively pueblo.sourceforge.net/doc/manual/ansi_color_codes.html
– Brian M. ...