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How do you round a floating point number in Perl?
...sprintf() or printf() is usually the easiest
route.
printf("%.3f", 3.1415926535); # prints 3.142
The POSIX module (part of the standard Perl distribution) implements
ceil(), floor(), and a number of other mathematical and trigonometric
functions.
use POSIX;
$ceil = ceil(3.5);...
Static hosting on Amazon S3 - DNS Configuration
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4 Answers
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How are echo and print different in PHP? [duplicate]
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From:
http://web.archive.org/web/20090221144611/http://faqts.com/knowledge_base/view.phtml/aid/1/fid/40
Speed. There is a difference between the two, but speed-wise it
should be irrelevant which one you use. echo is marginally faster
since it doesn't set a retur...
grep using a character vector with multiple patterns
... |
edited Jun 8 at 14:03
Henrik
52.1k1111 gold badges117117 silver badges134134 bronze badges
answ...
Java 8 List into Map
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1417
Based on Collectors documentation it's as simple as:
Map<String, Choice> result =
c...
How to Set Variables in a Laravel Blade Template
...the view is rendered.
– TLGreg
Oct 24 '12 at 0:37
20
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What are five things you hate about your favorite language? [closed]
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delegate keyword vs. lambda notation
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140
Short answer : no.
Longer answer that may not be relevant:
If you assign the lambda to a d...
c# datatable to csv
...", fields));
}
File.WriteAllText("test.csv", sb.ToString());
.net >= 4.0
And as Tim pointed out, if you are on .net>=4, you can make it even shorter:
StringBuilder sb = new StringBuilder();
IEnumerable<string> columnNames = dt.Columns.Cast<DataColumn>().
...
Check if option is selected with jQuery, if not select a default
...ion>
<option value="3">Third</option>
<option value="4">Fourth</option>
</select>
<script type="text/javascript">
$(document).ready(function() {
if (!$("#mySelect option:selected").length) {
$("#mySelect option[value='3']").attr('selected', 'selecte...
