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Equals(=) vs. LIKE
...tify an example where these operators produce obviously different results. Allow me to quote from the MySQL manual:
Per the SQL standard, LIKE performs matching on a per-character basis, thus it can produce results different from the = comparison operator:
mysql> SELECT 'ä' LIKE 'ae' COLLA...
How do you round a floating point number in Perl?
.... For rounding to a certain number of digits, sprintf() or printf() is usually the easiest
route.
printf("%.3f", 3.1415926535); # prints 3.142
The POSIX module (part of the standard Perl distribution) implements
ceil(), floor(), and a number of other mathematical and trigonometric
func...
HTTP headers in Websockets client API
... used, client IP encoded in ticket matches, timestamp in ticket is recent, etc). Here is a summary of WebSocket security information: https://devcenter.heroku.com/articles/websocket-security
Basic authentication was formerly an option but this has been deprecated and modern browsers don't send the ...
Maintain git repo inside another git repo
...as git repos in their own right, with their own commits, origins, history, etc.
– Damien Wilson
Jan 11 '11 at 16:10
2
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Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health
...WCF net.tcp service endpoint using WIF . It should authenticate incoming calls against our token server. The service is streamed because it is designed to transfer large amounts of data n stuff.
...
Is Java really slow?
...y optimized code written in a ahead-of-time compiled language (C, Fortran, etc.) can beat it; however, Java can be more than 10x as fast as PHP, Ruby, Python, etc. There are specific areas where it can beat common compiled languages (if they use standard libraries).
There is no excuse for "slow" Ja...
Two submit buttons in one form
...
Normally, all inputs in the form are sent with the form. Since a button's value is submitted only if clicked, you'd have to search the form values for these pre-defined names. I think the other answer (stackoverflow.com/a/21778...
Is it possible to set a custom font for entire of application?
... support other Views. I'm not sure about issues with Buttons, RadioGroups, etc. because those classes all extend TextView so they should work just fine. I added a boolean conditional for using reflection because it seems very hackish and might notably compromise performance.
Note: as pointed out, t...
Retrieve only the queried element in an object array in MongoDB collection
...r to filter an array during projection, which has the benefit of including all matches, instead of just the first one.
db.test.aggregate([
// Get just the docs that contain a shapes element where color is 'red'
{$match: {'shapes.color': 'red'}},
{$project: {
shapes: {$filter: {
...
How does RewriteBase work in .htaccess
...t regardless of whether the rule is in the "root", "subdir1", "subsubdir", etc. the /bar.php path always maps to http://example.com/bar.php.
But the other rule, with the relative path, it's based on the directory that the rule is in. So if
RewriteRule ^foo$ bar.php [L]
is in the "root" and you ...