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Order data frame rows according to vector with specific order
...ered according to a "target" vector as the one I implemented in the short example below?
5 Answers
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How do I find where JDK is installed on my windows machine?
...
If you are using Linux/Unix/Mac OS X:
Try this:
$ which java
Should output the exact location.
After that, you can set JAVA_HOME environment variable yourself.
In my computer (Mac OS X - Snow Leopard):
$ which java
/usr/bin/java
$ ls -l /u...
What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?
...may not be sufficient for your application.
uint32_t is not guaranteed to exist. It's an optional typedef that the implementation must provide iff it has an unsigned integer type of exactly 32-bits. Some have a 9-bit bytes for example, so they don't have a uint32_t.
uint_fast32_t states your intent ...
“Invalid JSON primitive” in Ajax processing
I am getting an error in an ajax call from jQuery.
12 Answers
12
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Including an anchor tag in an ASP.NET MVC Html.ActionLink
...y", "Category", new { categoryID = parent.ID }) %>#section12">link text</a>
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Import error: No module name urllib2
...est and not urllib2.request. The urllib and urllib2 modules from Python 2.x have been combined into the urllib module in Python 3.
– Eli Courtwright
May 8 '10 at 2:05
1
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Convert Elixir string to integer or float
...ger/1 and String.to_float/1.
Hint: See also to_atom/1,to_char_list/1,to_existing_atom/1for other conversions.
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Fast way of finding lines in one file that are not in another?
... various whitespace options (-E, -b, -v etc) for less strict matching.
Explanation
The options --new-line-format, --old-line-format and --unchanged-line-format let you control the way diff formats the differences, similar to printf format specifiers. These options format new (added), old (remov...
How to check if APK is signed or “debug build”?
...import android.content.pm.Signature;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
You can implement an isDebuggable method this way:
private static final X500Principal DEBUG_DN = new X500Principal("CN=Android Debug,O=Android,C=US");
private boolean is...
How to make overlay control above all other controls?
...as or Grid in your layout, give the control to be put on top a higher ZIndex.
From MSDN:
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" WindowTitle="ZIndex Sample">
<Canvas>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canvas.Top="100" Canvas....