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How to fix the uninitialized constant Rake::DSL problem on Heroku?
...ake", "0.8.7"
2) Take out a hack that I had previously added to Rakefile based on Stack Overflow question Ruby on Rails and Rake problems: uninitialized constant Rake::DSL:
So, my Rakefile is now back to being the standard Rakefile for my app:
# Add your own tasks in files placed in lib/tasks...
Do you use source control for your database items? [closed]
...hole because we don't have a solid process in place for versioning our database schema changes. We do a lot of backups so we're more or less covered, but it's bad practice to rely on your last line of defense in this way.
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How can I add a string to the end of each line in Vim?
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Brian CarperBrian Carper
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What does new self(); mean in PHP?
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What if there is baseclass,class,which one does it point to?
– user198729
Mar 7 '10 at 14:04
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Iterate keys in a C++ map
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With C++17 you can use a structured binding inside a range-based for loop (adapting John H.'s answer accordingly):
#include <iostream>
#include <map>
int main() {
std::map<std::string, int> myMap;
myMap["one"] = 1;
myMap["two"] = 2;
myMap["three"]...
Mock functions in Go
...ader(pageGetterFunc PageGetter) {
// ...
content := pageGetterFunc(BASE_URL)
// ...
}
Main:
func get_page(url string) string { /* ... */ }
func main() {
downloader(get_page)
}
Test:
func mock_get_page(url string) string {
// mock your 'get_page()' function here
}
func TestDow...
Ignore invalid self-signed ssl certificate in node.js with https.request?
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64
Don't believe all those who try to mislead you.
In your request, just add:
ca: [fs.readFileSy...
Sequence contains no matching element
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is a C++ delegate?
... I've done a version of Elbert Mai's generic callbacks in C++11 based on other ideas seen elsewhere, and it does seem to clear most of the issues you cite in 2). The only remaining nagging issue for me is i'm stuck using a macro in the client code to create the delegates. There is probabl...
How do I time a method's execution in Java?
...uava way to do that (which is arguably awesome):
import com.google.common.base.Stopwatch;
Stopwatch timer = Stopwatch.createStarted();
//method invocation
LOG.info("Method took: " + timer.stop());
The nice thing is that Stopwatch.toString() does a good job of selecting time units for the measure...