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Converting camel case to underscore case in ruby
...de rails, or just include this function that the rails team wrote and have tested.
– Michael Gorman
Nov 6 '19 at 16:44
add a comment
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Removing packages installed with go get
...cd /Users/ches/src/go/src/github.com/motemen/gore
rm -f gore gore.exe gore.test gore.test.exe commands commands.exe commands_test commands_test.exe complete complete.exe complete_test complete_test.exe debug debug.exe helpers_test helpers_test.exe liner liner.exe log log.exe main main.exe node node....
How do I print the type or class of a variable in Swift?
...ind _stdlib_getTypeName()? The integrated REPL no longer exists, swift-ide-test doesn't exist either, and Xcode's printing of the Swift module elides _-prefixed values.
– Lily Ballard
Aug 21 '14 at 19:28
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TypeError: got multiple values for argument
...o c, causing the "multiple arguments" error. I make this mistake because I tested this internal method outside the class and forget to add the self back in. Hope helpful for someone else!
– yuqli
Feb 4 '19 at 3:15
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What differences, if any, between C++03 and C++11 can be detected at run-time?
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return sizeof(&A::operator int&& +a) == sizeof(Y);
}
That test-case doesn't work for C++0x in GCC (looks like a bug) and doesn't work in C++03 mode for clang. A clang PR has been filed.
The modified treatment of injected class names of templates in C++11:
template<typename T>...
Iterate over a list of files with spaces
...to perform multiple steps the loop version is easier.
EDIT: Here's a nice test script so you can get an idea of the difference between different attempts at solving this problem
#!/usr/bin/env bash
dir=/tmp/getlist.test/
mkdir -p "$dir"
cd "$dir"
touch 'file not starting foo' foo foobar ba...
How to implement Enums in Ruby?
...Ruby's expressive power. To avoid problems, most Ruby programmers practice test-driven design, which will find not just typos but also logic errors.
– emk
Aug 20 '09 at 20:14
10
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What is the relative performance difference of if/else versus switch statement in Java?
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Use switch!
I hate to maintain if-else-blocks! Have a test:
public class SpeedTestSwitch
{
private static void do1(int loop)
{
int temp = 0;
for (; loop > 0; --loop)
{
int r = (int) (Math.random() * 10);
switch (r)
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Fastest way to flatten / un-flatten nested JSON objects
...tions to get Array.isArray and Object into a closer scope. I think the the test object your using for the JSPerf test is too simple though. I created the object "fillObj({},4)" in my jsfiddle benchmark to emulate a real case of a large complex nested piece of data.
– Louis Ricc...
How to calculate a time difference in C++
...robably overkill), it would look something like this [browser written, not tested]:
ptime time_start(microsec_clock::local_time());
//... execution goes here ...
ptime time_end(microsec_clock::local_time());
time_duration duration(time_end - time_start);
cout << duration << '\n';
...