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Python: try statement in a single line
...oblem is that its actually a django model.objects.get query i am trying to test. the .get returns an error if no data is found... it doesn't return None (which annoys me)
– Brant
Mar 26 '10 at 16:36
...
Get names of all keys in the collection
...ach(function(doc){Object.keys(doc).forEach(function(key){ if (/YOURREGEXP/.test(key)) {allKeys[key]=1}})});
– Li Chunlin
Mar 27 '17 at 4:22
...
Javascript equivalent of Python's zip function
...if you use the second answer with variadic arguments, you may want to perf test it.)
Here's a oneliner:
function zip(arrays) {
return arrays[0].map(function(_,i){
return arrays.map(function(array){return array[i]})
});
}
// > zip([[1,2],[11,22],[111,222]])
// [[1,11,111],[2,2...
How can I include a YAML file inside another?
...tag in Mapping or Sequence mode:
Arguments in Sequence mode:
!include [tests/data/include.d/**/*.yaml, true]
Arguments in Mapping mode:
!include {pathname: tests/data/include.d/**/*.yaml, recursive: true}
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...
Is there a REAL performance difference between INT and VARCHAR primary keys?
...
I was a bit annoyed by the lack of benchmarks for this online, so I ran a test myself.
Note though that I don't do it on a regular basic, so please check my setup and steps for any factors that could have influenced the results unintentionally, and post your concerns in comments.
The setup was a...
In CMake, how can I test if the compiler is Clang?
...;LANG>_COMPILER_ID value for Apple-provided Clang is now AppleClang. To test for both the Apple-provided Clang and the regular Clang use the following if condition:
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# using regular Clang or AppleClang
endif()
Also see the AppleClang policy description...
How should the ViewModel close the form?
...iewModel? It's a bad idea to keep mutable state in global variables. Makes testing a nightmare, and testing is one of the reasons you would use MVVM in the first place.
– Joe White
May 3 '11 at 22:07
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Create folder with batch but only if it doesn't already exist
...e a directory only if the folder does not exist.
Note that this existence test will return true only if VTS exists and is a directory. If it is not there, or is there as a file, the mkdir command will run, and should cause an error. You might want to check for whether VTS exists as a file as well...
Selenium wait until document is ready
...ething like 'find' to make it wait but I don't go that far. I just need to test that the page loads successfully and move on to next page to test.
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Create directory if it does not exist
...ype Directory -Force -Path C:\Path\That\May\Or\May\Not\Exist
You can use Test-Path -PathType Container to check first.
See the New-Item MSDN help article for more details.
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