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How to get current path with query string using Capybara
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I'll probably need this syntax very soon, I'm writing tests for a legacy application. Using current_path.should == is working for now (though I need to add a trailing forward-slash as a string). I'm thanking you in advance for code I'll likely need.
– Tass
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Add unique constraint to combination of two columns
...UAL
ON USER_UND(UUL_USR_IDF, UUL_ATUAL)
WHERE UUL_ATUAL = 1;
Here are my test cases:
SELECT * FROM USER_UND WHERE UUL_USR_IDF = 137
insert into USER_UND values (137, 22, 1) --I CAN NOT => Cannot insert duplicate key row in object 'dbo.USER_UND' with unique index 'UQ_USR_UND_UUL_USR_IDF_UUL_AT...
Why are we not to throw these exceptions?
...ternally thrown as a special case of an AccessViolationException (IIRC the test is something like cmp [addr], addr, ie. it tries to dereference the pointer and if it fails with an access violation, it handles the difference between NRE and AVE in the resulting interrupt handler). So apart from seman...
Default value of function parameter
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int Add(int a, int b);
lib.cpp
int Add(int a, int b = 3) {
...
}
test.cpp
#include "lib.h"
int main() {
Add(4);
}
The compilation of test.cpp will not see the default parameter declaration, and will fail with an error.
For this reason, the default parameter definition is usually s...
What is the default location for MSBuild logs?
... and press CTRL + S to save. Visual Studio will prompt you for a location (tested with Visual Studio 2017, but I'm assuming this works in earlier versions too).
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CSS Selector “(A or B) and C”?
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@MaxMurphy Have you tested this?
– Šime Vidas
Aug 24 '14 at 12:28
4
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
... and get slightly different results with different Intel Core i7 cpus.
My test at work with an Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes
md5 64257.97k ...
Android Preferences: How to load the default values when the user hasn't used the preferences-screen
...rsing if your application has more than one entry point. Unfortunately the test is not made per preference file, so if you have more than one preference file you must code true on all but the first.
If you are worried about efficiency, you could code something like this.
final static private int S...
How to get the current time in milliseconds from C in Linux?
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@vitaly.v.ch I did a test, passing the tz param of gettimeofday() as &(struct timezone tz = {480, 0}) won't get any warning, and it don't have any effect to the result, that makes sense, since the long representation of time is not relevant t...
Filter rows which contain a certain string
...str", "", object) # -> "ingr"
Benchmark
The results of the benchmark test are as follows. For large dataframe, str_detect is faster.
library(rbenchmark)
library(tidyverse)
# The data. Data expo 09. ASA Statistics Computing and Graphics
# http://stat-computing.org/dataexpo/2009/the-data.html...