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Changing the selected option of an HTML Select element
.... I used post-increment instead of pre-increment, and then I added another test which is slightly faster than your 3rd test.
– kzh
Nov 4 '13 at 14:03
1
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Optimise PostgreSQL for fast testing
...
First, always use the latest version of PostgreSQL. Performance improvements are always coming, so you're probably wasting your time if you're tuning an old version. For example, PostgreSQL 9.2 significantly improves the speed of TRUNCATE and of cou...
Encrypting & Decrypting a String in C# [duplicate]
...ou can download a simple VS2013 sample solution (which includes a few unit tests) here).
UPDATE 23/Dec/2015:
The list of specific improvements to the code are:
Fixed a silly bug where encoding was different between encrypting and
decrypting. As the mechanism by which salt & IV values are g...
Spring Java Config: how do you create a prototype-scoped @Bean with runtime arguments?
..." + count++);
return new InMemoryAccountRepository();
}
}
-- Test File to execute:
@Test
public void prototypeTest() {
// create the spring container using the ServiceConfig @Configuration class
ApplicationContext ctx = new AnnotationConfigApplicationContext(ServiceConfig.clas...
Execute PowerShell Script from C# with Commandline Arguments
... Command(scriptfile);
then you can add parameters with
CommandParameter testParam = new CommandParameter("key","value");
myCommand.Parameters.Add(testParam);
and finally
pipeline.Commands.Add(myCommand);
Here is the complete, edited code:
RunspaceConfiguration runspaceConfiguration = Runs...
What's the difference between RANK() and DENSE_RANK() functions in oracle?
... items.
As for nulls, it depends on the ORDER BY clause. Here is a simple test script you can play with to see what happens:
with q as (
select 10 deptno, 'rrr' empname, 10000.00 sal from dual union all
select 11, 'nnn', 20000.00 from dual union all
select 11, 'mmm', 5000.00 from dual union all
se...
How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
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Test it for distinct, if two equal max datetime be in the same home (with different players)
– Maksym Gontar
Mar 4 '09 at 21:04
...
How to install Hibernate Tools in Eclipse?
...oftware updates (Help -> Software Updates... -> Add Site...):
The latest stable release update site for JBoss Tools
There you can find Hibernate tools together with other handy JBoss plugins.
share
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Check if an image is loaded (no errors) with jQuery
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I've tested the interesting reads above and they fail between cached/uncached tests on a handful of common browsers. This answer is similar to another but is the one I implemented & tested just now, I can confirm it works on: ...
Applying a function to every row of a table using dplyr?
...%
group_by(1:nrow(iris)) %>%
do(do_fn) %>%
rbind_all()
Testing the performance,
library(plyr) # plyr_1.8.4.9000
library(dplyr) # dplyr_0.8.0.9000
library(purrr) # purrr_0.2.99.9000
library(microbenchmark)
d1_count <- 1000
d2_count <- 10
d1 <- data.frame(a=runif...