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What is the difference between HTML tags and ?
...s that to use them semantically, divs should be used to wrap sections of a document, while spans should be used to wrap small portions of text, images, etc.
For example:
<div>This a large main division, with <span>a small bit</span> of spanned text!</div>
Note that it is ...
How to store arrays in MySQL?
...
The proper way to do this is to use multiple tables and JOIN them in your queries.
For example:
CREATE TABLE person (
`id` INT NOT NULL PRIMARY KEY,
`name` VARCHAR(50)
);
CREATE TABLE fruits (
`fruit_name` VARCHAR(20) NOT NULL PRIMARY KEY,
...
How can I determine if a JavaScript variable is defined in a page? [duplicate]
...Suppose I want to check if a variable named "x" is defined in a page, if I do if(x != null) , it gives me an error.
7 Answ...
What are the rules for evaluation order in Java?
...vity and precedence determine in what order the operators are executed but do not determine in what order the subexpressions are evaluated. Your question is about the order in which subexpressions are evaluated.
Consider A() + B() + C() * D(). Multiplication is higher precedence than addition, and...
Convert UTC/GMT time to local time
... developing a C# application for a web-service client. This will run on Windows XP PC's.
11 Answers
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How can I open multiple files using “with open” in Python?
...ctively) you can write
with open('a', 'w') as a, open('b', 'w') as b:
do_something()
In earlier versions of Python, you can sometimes use
contextlib.nested() to nest context managers. This won't work as expected for opening multiples files, though -- see the linked documentation for details...
django urls without a trailing slash do not redirect
...your APPEND_SLASH setting in the settings.py file
more info in the django docs
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What is the point of a “Build Server”? [closed]
...ource for releases and test builds, but also about making sure that people don't screw your build system.
– Clearer
Jan 4 '18 at 14:16
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Setting action for back button in navigation controller
...on. The odd thing is when assigning it though the backbutton attribute it doesn't pay attention to them and it just pops the current view and goes back to the root:
...
How to copy to clipboard in Vim?
...
The * register will do this. In Windows, + and * are equivalent. In unix there is a subtle difference between + and *:
Under Windows, the * and + registers
are equivalent. For X11 systems,
though, they differ. For X11 systems,
* is the...