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Print string and variable contents on the same line in R
... get null on the end if you put the cat inside of a print like: print(cat("test", var)) which should be cat("test", var)
– Spidfire
Jun 16 '16 at 14:36
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What is a race condition?
... See jakob.engbloms.se/archives/65 for an example of a program to test how oiften such things go bad... it really depends on the memory model of the machine you are running on.
– jakobengblom2
Oct 12 '08 at 19:54
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What is the Python 3 equivalent of “python -m SimpleHTTPServer”
... utils, 2to3 accepts stdin if the argument passed is -. Therefore, you can test without creating any files like so:
$ 2to3 - <<< "import SimpleHTTPServer"
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What's the recommended approach to resetting migration history using Django South?
...jango (1.1.2) which are starting to consume quite a bit of time in my unit tests. I would like to reset the baseline and start a fresh set of migrations. I've reviewed the South documentation , done the usual Google/Stackoverflow searching (e.g. "django south (reset OR delete OR remove) migration h...
How do I target only Internet Explorer 10 for certain situations like Internet Explorer-specific CSS
...an be spoofed.
To target Internet Explorer 9, 10 and 11 (Note: also the latest Chrome):
@media screen and (min-width:0\0) {
/* Enter CSS here */
}
To target Internet Explorer 10:
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
/* IE10+ CSS here */
}
To target ...
Return Boolean Value on SQL Select Statement
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Doing the Exists( test is much faster than doing a Count(1) test on tables with large numbers of rows.
– Scott Chamberlain
Apr 3 '14 at 2:06
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Should I use Vagrant or Docker for creating an isolated environment? [closed]
...ry easy to build your app once and deploy it anywhere - on your laptop for testing, then on different servers for live deployment, etc.
It's a common misconception that you can only use Docker on Linux. That's incorrect; you can also install Docker on Mac, and Windows. When installed on Mac, Docker...
Clean ways to write multiple 'for' loops
...r
{
template <typename C>
constexpr static std::true_type test(typename C::iterator *);
template <typename>
constexpr static std::false_type test(...);
constexpr static bool value = std::is_same<
std::true_type, decltype(test<typename std::remov...
Creating an empty Pandas DataFrame, then filling it?
...as a new feature in 0.8.0, I would definitely recommend upgrading to the latest stable release (0.9.1) there are many bug fixes and new features. :)
– Andy Hayden
Dec 15 '12 at 9:52
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PHP Regex to check date is in YYYY-MM-DD format
...ember
31 days in January, March, May, July, August, October and December
Test:
The following dates should all pass validation:
1976-02-29
2000-02-29
2004-02-29
1999-01-31
The following dates should all fail validation:
2015-02-29
2015-04-31
1900-02-29
1999-01-32
2015-02-00
Range:
We'll tes...