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How to suppress scientific notation when printing float values?
...ate
Starting in Python 3.6, this can be simplified with the new formatted string literal, as follows:
>>> f'{a:.20f}'
'-0.00000000000000007186'
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How to remove the left part of a string?
I have some simple python code that searches files for a string e.g. path=c:\path , where the c:\path part may vary. The current code is:
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Is it possible to forward-declare a function in Python?
...turally it makes little sense to have it afterwards), one can just store a string and try to call the function later.
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Read entire file in Scala?
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val lines = scala.io.Source.fromFile("file.txt").mkString
By the way, "scala." isn't really necessary, as it's always in scope anyway, and you can, of course, import io's contents, fully or partially, and avoid having to prepend "io." too.
The above leaves the file open, h...
“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...a number being inserted into a varchar or text field, but inserting a text string into a field with a numeric data type would result in bad data.
– codewaggle
Dec 18 '12 at 11:02
2...
How to use a servlet filter in Java to change an incoming servlet request url?
...letRequest#getRequestURI() to grab the path.
Use straightforward java.lang.String methods like substring(), split(), concat() and so on to extract the part of interest and compose the new path.
Use either ServletRequest#getRequestDispatcher() and then RequestDispatcher#forward() to forward the reque...
What does `:_*` (colon underscore star) do in Scala?
...plats"1 the sequence.
Look at the constructor signature
new Elem(prefix: String, label: String, attributes: MetaData, scope: NamespaceBinding,
child: Node*)
which is called as
new Elem(prefix, label, attributes, scope,
child1, child2, ... childN)
but here there is only a seq...
SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
...f your .py file. To get more advanced, you can also define encodings on a string by string basis in your code. However, if you are trying to put the pound sign literal in to your code, you'll need an encoding that supports it for the entire file.
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Functional programming - is immutability expensive? [closed]
...ject QSortExample {
// Imperative mutable quicksort
def swap(xs: Array[String])(a: Int, b: Int) {
val t = xs(a); xs(a) = xs(b); xs(b) = t
}
def muQSort(xs: Array[String])(l: Int = 0, r: Int = xs.length-1) {
val pivot = xs((l+r)/2)
var a = l
var b = r
while (a <= b) {
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Passing $_POST values with cURL
...e);
curl_setopt($handle, CURLOPT_POSTFIELDS, $data);
$data as url encoded string: The data will be sent as application/x-www-form-urlencoded, which is the default encoding for submitted html form data.
$data = array('name' => 'Ross', 'php_master' => true);
curl_setopt($handle, CURLOPT_POSTFI...