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Why do you need to put #!/bin/bash at the beginning of a script file?
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If I'm already in bash, does it start another bash instance if it sees #!/bin/bash? What if I'm already in bash and I leave it out? Is there any difference?
– node ninja
Jan 23 '12 at 7:29
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How can I prevent the scrollbar overlaying content in IE10?
...tional CSS to *only* the Surface/desktop Windows 8. Look at
// our Getting Started page for more information on this bug.
//
// For more information, see the following:
//
// Issue: https://github.com/twbs/bootstrap/issues/10497
// Docs: http://getbootstrap.com/getting-started/#support-ie10-width
//...
How to read a file in reverse order?
... if segment is not None:
# If the previous chunk starts right from the beginning of line
# do not concat the segment to the last line of new chunk.
# Instead, yield the segment first
if buffer[-1] != '\n':
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How to get an element by its href in jquery?
...="http://google.com"]');
Alternatively, if your interest is rather links starting with a certain URL, use the attribute-starts-with selector:
var allLinksToGoogle = $('a[href^="http://google.com"]');
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Vertically centering a div inside another div [duplicate]
... height: 200px;
}
Demo
♥ my favourite modern solution (flexbox)
I started to use flexbox more and more its also well supported now Its by far the easiest way.
CSS
.cn {
display: flex;
justify-content: center;
align-items: center;
}
Demo
More examples & possibilities:
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How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
...make it permanent. Just omit the colon from the beginning, so the command starts with "map"
Enjoy!
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How do I concatenate two strings in C?
...red length to store merged string
int len = 1; // room for NULL
va_start(ap, count);
for(i=0 ; i<count ; i++)
len += strlen(va_arg(ap, char*));
va_end(ap);
// Allocate memory to concat strings
char *merged = calloc(sizeof(char),len);
int null_pos = 0;
// ...
How do I size a UITextView to its content?
...just displaying it will always show the full text and when editing it will start with the full text and as you add further text will remain the same size with the earlier text scrolling off the top
– SimonTheDiver
Dec 18 '15 at 10:57
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Polymorphism in C++
...tand polymorphism - as the term is used in Computing Science - it helps to start from a simple test for and definition of it. Consider:
Type1 x;
Type2 y;
f(x);
f(y);
Here, f() is to perform some operation and is being given values x and y as inputs.
To exhibit polymorphism, ...
How to really read text file from classpath in Java
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You mixed relative and absolute paths up. A path that starts with "/" is absolute (i.e. starts from whatever is listed in CLASSPATH). All other paths are relative to the package of the class on which you call getResourceAsStream()
– Aaron Digulla
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