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Does R have an assert statement as in python?
...
stopifnot()
You may also be interested in packages like Runit and testthat for unit testing.
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Getting the first and last day of a month, using a given DateTime object
...ile remembering that clarity is important too.
Result
Here is an example test run result for 10 million iterations:
2257 ms for FirstDayOfMonth_AddMethod()
2406 ms for FirstDayOfMonth_NewMethod()
6342 ms for LastDayOfMonth_AddMethod()
4037 ms for LastDayOfMonth_AddMethodWithDaysInMonth()
4160 ms ...
SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
...parisons on characters converted to integers in an identical manner. In my test, I've found that some comparisons of converted characters, such as the exclamation point, will return type conversion errors, while other comparisons of converted characters, such as the space, will be determined to be o...
Generic Repository With EF 4.1 what is the point
...using repository are usually:
Hide EF from upper layer
Make code better testable
The first reason is some kind of architectonic purity and great idea that if you make your upper layers independent on EF you can later on switch to other persistence framework. How many times did you see such thin...
How can I see the request headers made by curl when sending a request to the server?
...prefixed with '>') without having to write to a file:
$ curl -v -I -H "Testing: Test header so you see this works" http://stackoverflow.com/
* About to connect() to stackoverflow.com port 80 (#0)
* Trying 69.59.196.211... connected
* Connected to stackoverflow.com (69.59.196.211) port 80 (#0)
...
How to configure encoding in Maven?
...-plugin (http://maven.apache.org/plugins/maven-failsafe-plugin/integration-test-mojo.html) I found, that the <encoding> configuration - of course - uses ${project.reporting.outputEncoding} by default. So I added the property as a child element of the project element and everything is fine now:...
How do I add custom field to Python log format string?
....basicConfig(format="%(foo)s - %(message)s")
>>> logging.warning('test', extra={'foo': 'bar'})
bar - test
Also, as a note, if you try to log a message without passing the dict, then it will fail.
>>> logging.warning('test')
Traceback (most recent call last):
File "/usr/lib/py...
How to DROP multiple columns with a single ALTER TABLE statement in SQL Server?
...
create table test (a int, b int , c int, d int);
alter table test drop column b, d;
Be aware that DROP COLUMN does not physically remove the data, and for fixed length types (int, numeric, float, datetime, uniqueidentifier etc) the spac...
What does set -e mean in a bash script?
...not the outer script).
For example, suppose I have the shell script outer-test.sh:
#!/bin/sh
set -e
./inner-test.sh
exit 62;
The code for inner-test.sh is:
#!/bin/sh
exit 26;
When I run outer-script.sh from the command line, my outer script terminates with the exit code of the inner script:
...
What is the maximum possible length of a .NET string?
...hod here:
static void Main(string[] args)
{
Console.WriteLine("String test, by Nicholas John Joseph Taylor");
Console.WriteLine("\nTheoretically, C# should support a string of int.MaxValue, but we run out of memory before then.");
Console.WriteLine("\nThis is a quickish test to narrow...