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NOW() function in PHP
...re a PHP function that returns the date and time in the same format as the MySQL function NOW() ?
20 Answers
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How do I negate a test with regular expressions in a bash script?
...afely sidestep the intergalactic special character madness of perl, I find myself lost in bash space (placement)! (I feel fear squeezing my gut like a python.) Thanks!
– David Rogers
Dec 28 '10 at 16:37
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How do you discover model attributes in Rails?
...ding it difficult to easily see what attributes/properties exist on all of my model classes since they are not explicitly defined in my class files.
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What is the relationship between the docker host OS and the container base image OS?
...question... but while I have been reading everything docker that I can get my hands on I see that I can install Docker on Ubuntu 12.04 (for example) and then I can install a Fedora container or a different version of ubuntu? (there is an example where the user installed busybox in the container.)
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Android: Create spinner programmatically from array
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// Selection of the spinner
Spinner spinner = (Spinner) findViewById(R.id.myspinner);
// Application of the Array to the Spinner
ArrayAdapter<String> spinnerArrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, colors);
spinnerArrayAdapter.setDropDownVie...
ERROR: permission denied for sequence cities_id_seq using Postgres
...s (and at database info systems all in all). I ran following sql script on my database:
4 Answers
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How to set up Spark on Windows?
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Hi, My Build on windows works fine with Cygwin but when I run the command ./start-master.sh in the sbin directory I get the error Error: Could not find or load main class org.apache.spark.launcher.Main full log in /cygdrive/c/Spa...
ASP.NET MVC partial views: input name prefixes
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My answer, based on the answer of Mahmoud Moravej including the comment of Ivan Zlatev.
public static MvcHtmlString PartialFor<TModel, TProperty>(this HtmlHelper<TModel> helper, System.Linq.Expressions.Expres...
Find unique rows in numpy.array
...a = np.unique(b).view(a.dtype).reshape(-1, a.shape[1])
Also, at least on my system, performance wise it is on par, or even better, than the lexsort method:
a = np.random.randint(2, size=(10000, 6))
%timeit np.unique(a.view(np.dtype((np.void, a.dtype.itemsize*a.shape[1])))).view(a.dtype).reshape(...
内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...up after itself.
*
********/
int f6(char *item1)
{
my_class c1;
int result;
...
c1 = new my_class(item1);
...
result = c1.x;
delete c1;
return result;
}
/********
* ...
* Note that f8() is documented to return ...