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What exactly is Type Coercion in Javascript?
... + 5
Uh oh. In JavaScript, + can mean add two numbers or concatenate two strings. In this case, we have neither two numbers nor two strings. We only have one number and an object. According to JavaScript's type rules, this makes no logical sense. Since it’s forgiving about you breaking its rules...
How to tell if a string is not defined in a Bash shell script
If I want to check for the null string I would do
12 Answers
12
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Quick and easy file dialog in Python?
...a UI, but right now I'm prompting the user for the file to parse using raw_input which is most unfriendly, especially because the user can't copy/paste the path. I would like a quick and easy way to present a file selection dialog to the user, they can select the file, and then it's loaded to the...
Git search for string in a single file's history
...g method called bar , so I want to search the history of foo.rb for the string bar to see if it was ever defined in the past.
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How do you set the Content-Type header for an HttpClient request?
...pRequestMessage(HttpMethod.Post, "relativeAddress");
request.Content = new StringContent("{\"name\":\"John Doe\",\"age\":33}",
Encoding.UTF8,
"application/json");//CONTENT-TYPE header
client.SendAsync(request)
.ContinueW...
HashMap with multiple values under the same key
...ide.
Examples
1. Map with list as the value
// create our map
Map<String, List<Person>> peopleByForename = new HashMap<>();
// populate it
List<Person> people = new ArrayList<>();
people.add(new Person("Bob Smith"));
people.add(new Person("Bob Jones"));
peopl...
Is std::unique_ptr required to know the full definition of T?
...s. However shared_ptr and unique_ptr are partial exceptions. Some, but not all of their members can be instantiated with incomplete types. The motivation for this is to support idioms such as pimpl using smart pointers, and without risking undefined behavior.
Undefined behavior can occur when you h...
AutoMapper vs ValueInjecter [closed]
...<UnflatLoopValueInjection>
and if you want from Foo.Bar.Name of type String to FooBarName of type Class1 you inherit FlatLoopValueInjection and specify this
automapper maps properties with same name by default and for the rest you have to specify one by one, and do stuff like Prop1.Ignore(), P...
How to send a stacktrace to log4j?
... The logger takes an object for its first argument and will toString() it. However the second argument has to be a Throwable and displays the stack trace.
– Peter Lawrey
Dec 3 '10 at 16:50
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What is the fastest substring search algorithm?
...n 2011, I believe it may very well be the "Simple Real-Time Constant-Space String Matching" algorithm by Dany Breslauer, Roberto Grossi, and Filippo Mignosi.
Update:
In 2014 the authors published this improvement: Towards optimal packed string matching.
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