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Multiple INSERT statements vs. single INSERT with multiple VALUES
...].
I tried one more experiment (Script) which was to re-run the original test but looking at three different cases.
First Name and Last Name Strings of length 10 characters with no duplicates.
First Name and Last Name Strings of length 50 characters with no duplicates.
First Name and Last Name S...
What makes Lisp macros so special?
... nil)
;; loop from 0 upto and including 9
(loop for x in (range 10)
;; test for divisibility by two
if (= (mod x 2) 0)
;; append to the list
do (setq divisibleByTwo (append divisibleByTwo (list x))))
Before I go further, I should better explain what a macro is. It is a transformati...
Could not load file or assembly … An attempt was made to load a program with an incorrect format (Sy
...
I had this problem running unit tests (xunit) in Visual Studio 2015 and came across the following fix:
Menu Bar -> Test -> Test Settings -> Default Processor Architecture -> X64
...
Is std::vector so much slower than plain arrays?
...ector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so:
22 Answers...
What values should I use for CFBundleVersion and CFBundleShortVersionString?
...BundleVersion gives you the build number which is used for development and testing, namely "technical" purposes. The end user is rarely interested in the build number but during the development you may need to know what's being developed and fixed on each build. This is typically incremented on each...
How to convert int to NSString?
...
Primitives can be converted to objects with @() expression. So the shortest way is to transform int to NSNumber and pick up string representation with stringValue method:
NSString *strValue = [@(myInt) stringValue];
or
NSString *strValue = @(myInt).stringValue;
...
Get a filtered list of files in a directory
...ls.py
./apps/diaries/actions.py
./apps/diaries/querysets.py
./apps/library/tests/test_forms.py
./apps/library/migrations/0001_initial.py
./apps/polls/views.py
./apps/polls/formsets.py
./apps/polls/reports.py
./apps/polls/admin.py
Solution 3 - use "pathlib"
# lookup in current dir
path_ = pathlib....
What Android tools and methods work best to find memory/resource leaks? [closed]
...
Testing, lots of testing. Problem is that you can't even really tell how much memory your app is using, due to memory sharing and other optimization techniques. You can get memory readings using the usual shell commands, but ...
list every font a user's browser can display
...version is a bit flaky. It gets fonts by iterating through known fonts and testing.
The most accurate way (albeit having to use a propriety plugin) is to use Flash. Here you can get the list of fonts without having to test for them individually using dimensions.
You are going have to decide wheth...
How to get filename without extension from file path in Ruby
...
Try this code
Use extname
File.basename("a/b/d/test.rb", File.extname("a/b/d/test.rb")) #=> "test"
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