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AngularJS - difference between pristine/dirty and touched/untouched

AngularJS Developer Guide - Forms tell there are many styles and directives regarding forms and fields. For each one, a CSS class: ...
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return query based on date

... You probably want to make a range query, for example, all items created after a given date: db.gpsdatas.find({"createdAt" : { $gte : new ISODate("2012-01-12T20:15:31Z") }}); I'm using $gte (greater than or equals), because t...
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How to check whether a file or directory exists?

I want to check the existence of file ./conf/app.ini in my Go code, but I can't find a good way to do that. 5 Answers ...
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Git clone without .git directory

... when doing a clone, say don't clone the .git directory? If not, how about a flag to delete the .git directory after the clone? ...
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Install specific git commit with pip

I'm developing a django app and I'm using pip to manage my requirements. How can I do to install a specific git's commit? 4...
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Command to change the default home directory of a user

I would like to know whether there is any simple shell command to change the user home directory in Linux/Unix (one similar to chsh which changes the default login shell of an existing valid user) without touching the /etc/passwd file. Thanks ...
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what is the preferred way to mutate a React state?

...say I have a list of plain objects in my this.state.list that I can then use to render a list of children. What then is the right way to insert object into this.state.list ? ...
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What is the meaning of “__attribute__((packed, aligned(4))) ”

It is C language.It is written that: 3 Answers 3 ...
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In ASP.NET, when should I use Session.Clear() rather than Session.Abandon()?

... Session.Clear() and Session.Abandon() get rid of session variables. As I understand it, Abandon() ends the current session, and causes a new session to be created thus causing the End and Start events to fire. ...
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What CSS selector can be used to select the first div within another div

... The MOST CORRECT answer to your question is... #content > div:first-of-type { /* css */ } This will apply the CSS to the first div that is a direct child of #content (which may or may not be the first child element of #content) Another option: #c...