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Changing navigation title programmatically
...ou can do so using self. If you do not know the difference between a class and an instance, I highly recommend you learn what it is. This article will help.
– drewag
Aug 6 '14 at 18:34
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How to get the pure text without HTML element using JavaScript?
I have the 1 button and some text in my HTML like the following:
10 Answers
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Downloading MySQL dump from command line
...he contents of a MySQL database. Is there a way I can do this from the command line?
13 Answers
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Remove an entire column from a data.frame in R
...on't need drop argument cause it always return data.frame from data.frame. And I think this is much better way to localized columns (and only columns) in data.frame (and it's faster). Check: cars[-1] (one col data.frame) or better cars[-(1:2)]: data frame with 0 columns and 50 rows.
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Can I apply the required attribute to fields in HTML5?
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Mandatory: Have the first value empty - required works on empty values
Prerequisites: correct html5 DOCTYPE and a named input field
<select name="somename" required>
<option value="">Please select</option&g...
Read values into a shell variable from a pipe
...ks.html is a nifty collection of the cruft necessary to fight the oddities and incompatibilities of bourne shells, sh.
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Does delete on a pointer to a subclass call the base class destructor?
...s a heap memory allocation for one of its fields. Class A is instantiated and stored as a pointer field in another class ( class B .
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Is the SQL WHERE clause short-circuit evaluated?
...er expressions are actually evaluated left to right, particularly when operands or operators might
cause conditions to be raised or if the results of the expressions
can be determined without completely evaluating all parts of the
expression.
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How can I maximize the editor pane in IntelliJ IDEA?
...the editor pane to make the editor pane take up the entire Eclipse window, and then again to restore the pane back to its previous size exposing the other panes.
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How do I parse JSON with Ruby on Rails? [duplicate]
I'm looking for a simple way to parse JSON, extract a value and write it into a database in Rails.
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