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what is “strict mode” and how is it used?

... privateMethod(); }; function privateMethod() { this.b = "foo"; } } will cause an error when privateMethod is called (since you can't add a property to undefined), rather than uselessly adding a b property to the global object. ...
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Extract elements of list at odd positions

... Solution Yes, you can: l = L[1::2] And this is all. The result will contain the elements placed on the following positions (0-based, so first element is at position 0, second at 1 etc.): 1, 3, 5 so the result (actual numbers) will be: 2, 4, 6 Explanation The [1::2]...
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What exactly does @synthesize do?

...then will result in having two ivars, namely someInt plus an autogenerated _someInt variable. Thus self.someInt and someInt will not address the same variables any more. If you don't expect such behavior as I did this might get you some headache to find out. ...
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Google Chrome form autofill and its yellow background

...mages behind your input field just fill the whole area with white. I tried all the solutions on this page, including the jquery based ones and they didnt work for me, in the end i had to add autocomplete="off" to the field. – Myke Black Mar 28 '14 at 15:05 ...
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Finding out whether a string is numeric or not

... @KMGorbunov I don't think that NSCharacterSet is actually storing a backing set that contains every single character in the set. I suspect invertedSet is returning a class that wraps the set it was created form, and returns the opposite value for all queries. But I don't know f...
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Unique ways to use the Null Coalescing operator [closed]

... Well, first of all, it's much easier to chain than the standard ternary: string anybody = parm1 ?? localDefault ?? globalDefault; vs. string anyboby = (parm1 != null) ? parm1 : ((localDefault != null) ? localDefault ...
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Unicode equivalents for \w and \b in Java regular expressions?

...cter class shorthand as "any letter, digit, or connecting punctuation" (usually: underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig . ...
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demystify Flask app.secret_key

If app.secret_key isn't set, Flask will not allow you to set or access the session dictionary. 2 Answers ...
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Is C++14 adding new keywords to C++?

...last change to the keywords table took place back in August 2011 (it's actually the first commit: that table hasn't changed since the repo went live around the time C++11 was being finalised). Alternatively we can ask GitHub to compare the two drafts that were sent for ballot for both versions of ...
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How to handle click event in Button Column in Datagridview?

... a single button per grid, you can jump right off to the races. Putting it all together: C#: private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e) { var senderGrid = (DataGridView)sender; if (senderGrid.Columns[e.ColumnIndex] is DataGridViewButtonColumn &am...