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Get a list of resources from classpath directory
...rt java.util.Enumeration;
import java.util.regex.Pattern;
import java.util.zip.ZipEntry;
import java.util.zip.ZipException;
import java.util.zip.ZipFile;
/**
* list resources available from the classpath @ *
*/
public class ResourceList{
/**
* for all elements of java.class.path get a C...
How to get “wc -l” to print just the number of lines without file name?
...
In AIX,ksh, this will always have a space preceeding the number. We have to use | awk '{print $1}' or a cut, to trim off the spaces. Another way to trim would be to enclose with an echo.
– rao
...
How to POST JSON Data With PHP cURL?
...me" => "Lastnameson","phone" => "555-1212", "province" => "ON", "zip" => "123 ABC" ) );
$postdata = json_encode($data);
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, ...
Plotting a list of (x, y) coordinates in python matplotlib
...lt.show()
will produce:
To unpack your data from pairs into lists use zip:
x, y = zip(*li)
So, the one-liner:
plt.scatter(*zip(*li))
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BLE（一）概述&工作流程&常见问题 - 创客硬件开发 - 清泛IT社区，...
...就是维京人和Harald Bluetooth国王的故事。他认为蓝牙可以把各种不同的通信协议统一在一起，诚如这位国王做的事情一样。至于蓝牙的logo，取自国王Harald Bluetooth名字中的【H】和【B】两个字母的组合，用古北欧文字来表示：
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How to perform element-wise multiplication of two lists?
...
Use a list comprehension mixed with zip():.
[a*b for a,b in zip(lista,listb)]
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Automatic counter in Ruby for each?
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If you don't have the new version of each_with_index, you can use the zip method to pair indexes with elements:
blahs = %w{one two three four five}
puts (1..blahs.length).zip(blahs).map{|pair|'%s %s' % pair}
which produces:
1 one
2 two
3 three
4 four
5 five
...
Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
... (slower, uglier). The correct way is as per @DavidRobinson's answer: dict(zip(names, d.values())). Of course this code also relies on values being sorted as names which is by no means guaranteed.
– Mr_and_Mrs_D
May 24 '17 at 17:49
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How to mkdir only if a directory does not already exist?
I am writing a shell script to run under the KornShell (ksh) on AIX. I would like to use the mkdir command to create a directory. But the directory may already exist, in which case I do not want to do anything. So I want to either test to see that the directory does not exist, or suppress the "Fil...
What does Java option -Xmx stand for? [duplicate]
... interpreted mode execution only
-Xbootclasspath:<directories and zip/jar files separated by ;>
set search path for bootstrap classes and resources
-Xbootclasspath/a:<directories and zip/jar files separated by ;>
append to end of boot...