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Most efficient T-SQL way to pad a varchar on the left to a certain length?
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+1 Just tested a load of different methods and this was the fastest. You might need to RTRIM(@str) though if that can contain trailing spaces.
– Martin Smith
Apr 3 '11 at 10:54
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What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?
... how to resolve the types that we request from it. This allows for greater testability by instructing it to resolve the types (Views and ViewModels) we use when our application actually runs, but instructing it differently when running the unit tests for the application. In the latter case the appli...
C++ Best way to get integer division and remainder
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I tried a quick test. With g++ 4.3.2 using -O2, the assembler output clearly shows it using one idivl instruction and using the results in eax and edx. I'd have been shocked if it didn't.
– Fred Larson
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How to return a string value from a Bash function
...n_a_string_message+=$(date)
ret=$MYLIB_return_a_string_message
}
and testing this example:
$ return_a_string result; echo $result
The date is 20160817
Note that the bash "declare" builtin, when used in a function, makes the declared variable "local" by default, and "-n" can also be used wit...
MongoDB: Combine data from multiple collections into one..how?
...regations along with lookups, in a single query. Here is an example I have tested that works with MongoDB 4.0:
// Create employees data for testing the union.
db.getCollection('employees').insert({ name: "John", type: "employee", department: "sales" });
db.getCollection('employees').insert({ name: ...
Easy way to turn JavaScript array into comma-separated list?
...ar csv = new csvWriter();
csv.del = '\t';
csv.enc = "'";
var nullVar;
var testStr = "The comma (,) pipe (|) single quote (') double quote (\") and tab (\t) are commonly used to tabulate data in plain-text formats.";
var testArr = [
false,
0,
nullVar,
// undefinedVar,
'',
{ke...
Determine font color based on background color
...ry intensive colors that were hard to watch and read.
After long hours of testing and trying to solve this problem, I found out that the best solution is to select white font for "dark" colors, and black font for "bright" colors.
Here's an example of function I am using in C#:
Color ContrastColo...
iOS - Build fails with CocoaPods cannot find header files
...0.7'
pod 'JSONKit', '~> 1.4'
link_with 'Pomo', 'Pomo Dev', 'Pomo Tests'
------ End Update
Note: Please do note that you have to look into Project->Info->Configurations for steps below.
I had similar symptoms and found that the pods.xcconfig file was not being included in the ...
How can I determine if a date is between two dates in Java? [duplicate]
...ne.
Another way is to build an Interval in Joda-Time. The contains method tests if a given DateTime occurs within the span of time covered by the Interval. The beginning of the Interval is inclusive, but the endpoint is exclusive. This approach is known as "Half-Open", symbolically [).
See both wa...
How do I count a JavaScript object's attributes? [duplicate]
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@bucabay: The purpose of the test is to find those properties of 'foo' that aren't present on every other Object derivative. It might be enlightening to remove the test, and see how high count goes. You'll find it to be in the dozens. Just for one, yo...