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Convert a list of data frames into one data frame
... 100 0.11 1.000
1 do.call 100 9.39 85.364
2 plyr_rbind.fill 100 12.08 109.818
3 plyr_ldply 100 15.14 137.636
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Is the sizeof(some pointer) always equal to four?
...on a 16-bit system (if you can find one), 4 on a 32-bit system, and 8 on a 64-bit system, but there's nothing to be gained in relying on a given size.
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Why shouldn't all functions be async by default?
...ng to write (performance), backwards compatibility might be another thing, dll's to be used with older languages that don't support async/await also
– Sayse
Aug 28 '13 at 22:04
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embedding image in html email
...images at various locations in the email.
<img src="data:image/jpg;base64,{{base64-data-string here}}" />
And to make this post usefully for others to:
If you don't have a base64-data string, create one easily at:
http://www.motobit.com/util/base64-decoder-encoder.asp from a image file.
Em...
Hadoop “Unable to load native-hadoop library for your platform” warning
...
I assume you're running Hadoop on 64bit CentOS. The reason you saw that warning is the native Hadoop library $HADOOP_HOME/lib/native/libhadoop.so.1.0.0 was actually compiled on 32 bit.
Anyway, it's just a warning, and won't impact Hadoop's functionalities.
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How could I convert data from string to long in c#
...ers (see below) listed here. Please review and up-vote them.
Convert.ToInt64("1100.25")
Method signature from MSDN:
public static long ToInt64(
string value
)
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Facebook Android Generate Key Hash
...penssl bin folder
13) Again copy following code and paste
openssl base64 -in debug_sha.txt > debug_base64.txt
14) you will get debug_base64.txt in openssl bin folder
15) open debug_base64.txt file Here is your Key hash.
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Asynchronously load images with jQuery
... are actually two options to use AJAX style for this:
Solution 1
Use Base64 image data and a REST image service. If you have your own webservice, you can add a JSP/PHP REST script that offers images in Base64 encoding. Now how is that useful? I came across a cool new syntax for image encoding:
&...
Use latest version of Internet Explorer in the webbrowser control
... right, but it did not I work for me. Maybe I am using .NET 4 and am using 64x OS so kindly check this.
You may put in setup or check it in start-up of your application:
private void Form1_Load(object sender, EventArgs e)
{
var appName = Process.GetCurrentProcess().ProcessName + ".exe";
Se...
Convert UTF-8 encoded NSData to NSString
...ata {
return Data(utf8)
}
}
extension String {
var base64Decoded: Data? {
return Data(base64Encoded: self)
}
}
Playground
let string = "Hello World" // "Hello World"
let stringData = string.data // 1...