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Best way to center a on a page vertically and horizontally? [duplicate]
... bottom, so the margin-top: auto is set to zero. However, an absolutely positioned element acts the same for distribution of free space, and similarly can be centered vertically at the specified top and bottom (does not work in IE7).
This trick will work with any sizes of div.
div {
width: 1...
How to solve java.lang.NoClassDefFoundError?
...s Java Tutorials . They both compile fine, but at run-time, both come up with this error:
27 Answers
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How to delete a character from a string using Python
...s of how to create the new string. If you want to remove the 'M' wherever it appears:
newstr = oldstr.replace("M", "")
If you want to remove the central character:
midlen = len(oldstr)/2 # //2 in python 3
newstr = oldstr[:midlen] + oldstr[midlen+1:]
You asked if strings end with a special c...
How to get UTC timestamp in Ruby?
...tamp is exactly that: A point in time. This can be accurately represented with an object. If you need anything else, a scalar value, e.g. seconds since the Unix epoch, 100-ns intervals since 1601 or maybe a string for display purposes or storing the timestamp in a database, you can readily get that ...
Is it possible to have a multi-line comments in R? [duplicate]
... } blocks. The string will get evaluated and then discarded, so as long as it's not the last line in a function nothing will happen.
"This function takes a value x, and does things and returns things that
take several lines to explain"
doEverythingOften <- function(x) {
# Non! Comment it o...
Measuring code execution time
...ample code
System.Threading.Thread.Sleep(500);
stopwatch.Stop();
Console.WriteLine(stopwatch.ElapsedMilliseconds);
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How can I pass a parameter to a setTimeout() callback?
...passing a string as a 'function' when using setTimeout() or setInterval(), it's slower because it has to be evaluated and it just isn't right.
UPDATE:
As Hobblin said in his comments to the question, now you can pass arguments to the function inside setTimeout using Function.prototype.bind().
Exa...
dispatch_after - GCD in Swift?
I've gone through the iBook from Apple, and couldn't find any definition of it:
24 Answers
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Groovy Shell warning “Could not open/create prefs root node …”
...nnis answer is correct. However I would like to explain the solution in a bit more detailed way (for Windows User):
Go into your Start Menu and type regedit into the search field.
Navigate to path HKEY_LOCAL_MACHINE\Software\JavaSoft (Windows 10 seems to now have this here: HKEY_LOCAL_MACHINE\Soft...
Two divs, one fixed width, the other, the rest
...
margin-left: 10px;
border: 2px dashed #00f;
}
You can also do it with display: table, which is usually a better approach: How can I put an input element on the same line as its label?
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