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Is there a short contains function for lists?
...m not in list:
# do something
It's work fine for lists, tuples, sets and dicts (check keys).
Note that this is an O(n) operation in lists and tuples, but an O(1) operation in sets and dicts.
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Java - How to create new Entry (key, value)
...ld = this.value;
this.value = value;
return old;
}
}
And then use it:
Map.Entry<String, Object> entry = new MyEntry<String, Object>("Hello", 123);
System.out.println(entry.getKey());
System.out.println(entry.getValue());
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Best way to trim strings after data entry. Should I create a custom model binder?
I'm using ASP.NET MVC and I'd like all user entered string fields to be trimmed before they're inserted into the database. And since I have many data entry forms, I'm looking for an elegant way to trim all strings instead of explicitly trimming every user supplied string value. I'm interested to ...
What is the best way to concatenate two vectors?
I'm using multitreading and want to merge the results. For example:
8 Answers
8
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How to escape indicator characters (i.e. : or - ) in YAML
...ey to which I wish to assign a URL. The problem is that YAML interprets : and - characters as either creating mappings or lists, so it has a problem with the line
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Setting the default Java character encoding
...r main method is entered, the character encoding used by String.getBytes() and the default constructors of InputStreamReader and OutputStreamWriter has been permanently cached.
As Edward Grech points out, in a special case like this, the environment variable JAVA_TOOL_OPTIONS can be used to specify...
How can I lock a file using java (if possible)
...utStreamReader(in, charset)
) {
...
}
(Disclaimer: Code not compiled and certainly not tested.)
Note the section entitled "platform dependencies" in the API doc for FileLock.
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How to dynamically create generic C# object using reflection? [duplicate]
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Check out this article and this simple example. Quick translation of same to your classes ...
var d1 = typeof(Task<>);
Type[] typeArgs = { typeof(Item) };
var makeme = d1.MakeGenericType(typeArgs);
object o = Activator.CreateInstance(makeme...
What's HTML character code 8203?
...haracter code (HTML) &#8203; ? I found it in one of my jQuery scripts and wondered what it was..
8 Answers
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How to unzip files programmatically in Android?
... need a small code snippet which unzips a few files from a given .zip file and gives the separate files according to the format they were in the zipped file. Please post your knowledge and help me out.
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