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Use of an exclamation mark in a Git commit message via the command line
...rting last commit because I don't like it"!
If you need to include ! mid string, you can use single quotes but if you need to use a literal single quote, you'll need to close your quote, then put the ' outside of the string by escaping it. So, let's say your message is I don't like it! Reverting a...
How to show method parameter tooltip in C#?
...ame">This is user's surname. </param>
private void DoWork(int id, string name, string surname)
{
// do stuff
}
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How do I conditionally apply CSS styles in AngularJS?
...ss accepts an "expression" that must evaluate to one of the following:
a string of space-delimited class names
an array of class names
a map/object of class names to boolean values
Assuming your items are displayed using ng-repeat over some array model, and that when the checkbox for an item is ...
Should I use AppDomain.CurrentDomain.BaseDirectory or System.Environment.CurrentDirectory?
...
I usually use something like:
string AppPath = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase);
AppPath = AppPath.Replace("file:\\", "");
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Getting pids from ps -ef |grep keyword
...rep "keyword" to determine the pid of a daemon process (there is a unique string in output of ps -ef in it).
6 Answers
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postgresql COUNT(DISTINCT …) very slow
...ount int not null), using triggers. But your write performance will suffer and if you update multiple x values in single transaction then you'd need to do this in some explicit order to avoid possible deadlock.
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POST data in JSON format
...on; charset=UTF-8');
// send the collected data as JSON
xhr.send(JSON.stringify(data));
xhr.onloadend = function () {
// done
};
};
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How to tell if rails is in production?
... Everything with a questionmark is available. Rails.env is a String decorated with ActiveSupport::StringInquirer. api.rubyonrails.org/classes/ActiveSupport/StringInquirer.html
– Sebastian vom Meer
Feb 26 '15 at 7:59
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Print array elements on separate lines in Bash?
... the format for the printf function's output. %s means a placeholder for a string argument (in this case the array element) and \n adds a line break after that. Thus, there will be a string and a line break in the output for each element in the array.
– Koja
Ap...
Where's the difference between setObject:forKey: and setValue:forKey: in NSMutableDictionary?
... "value" and "object" are of type id , so can be any object. Key is once a string, and in the other case an id. One of them seems to retain the object, and the other don't. What else? Which one is for what case?
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