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What are important languages to learn to understand different approaches and concepts? [closed]
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From Peter Norvig's site:
"Learn at least a half dozen programming languages. Include one language that supports class abstractions (like Java or C++), one that supports functional abstraction (like Lisp or ML), one that supports syntactic abst...
Physical vs. logical / soft delete of database record?
...f auditing, troubleshooting, and reporting (This was an e-commerce / tools site for B2B transactions, and if someone used a tool, we wanted to record it even if their account was later turned off), it did have several downsides.
The downsides include (not including others already mentioned):
Perf...
.gitignore file, where should I put it in my xcode project?
... general git ignore rules for specific language, tool or os using this web site.
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How many files can I put in a directory?
...s, but there is also a performance hit on displaying the file. e.g. www.website.com/thumbdir/gh3hg4h2b4h234b3h2.jpg has a wait time of 200-400 ms. As a comparison on another site I have with a around 100 files in a directory the image is displayed after just ~40ms of waiting.
I've given this answer...
Pushing read-only GUI properties back into ViewModel
...update your question so that it can be used without visiting any other web site.
– Peter Duniho
Jun 20 at 23:28
That l...
What are enums and why are they useful?
Today I was browsing through some questions on this site and I found a mention of an enum being used in singleton pattern about purported thread safety benefits to such solution.
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Default html form focus without JavaScript
... default textbox though. Check here for browser support:
http://reference.sitepoint.com/html/object/tabindex#compatibilitysection
The site suggests that
(in almost all other cases—namely form controls and links—the tabindex has excellent support)
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How to connect to SQL Server database from JavaScript in the browser?
...e really bad to do because sharing your connection string opens up your website to so many vulnerabilities that you can't simply patch up, you have to use a different method if you want it to be secure. Otherwise you are opening up to a huge audience to take advantage of your site.
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Possible reason for NGINX 499 error codes
...ginx and uwsgi, and not between the browser and nginx. If I had loaded the site in my browser and had waited long enough I would have gotten a "504 - Bad Gateway". But it took so long, that I kept trying stuff, and then refresh in the browser. So I never waited long enough to see the 504 error. When...
How to support placeholder attribute in IE8 and 9
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if you use jquery you can do like this. from this site Placeholder with Jquery
$('[placeholder]').parents('form').submit(function() {
$(this).find('[placeholder]').each(function() {
var input = $(this);
if (input.val() == input.attr('placeholder')) {
input....