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Finding the index of an item in a list
...ch is pretty much the same approach as enumerate):
from itertools import izip as zip, count # izip for maximum efficiency
[i for i, j in zip(count(), ['foo', 'bar', 'baz']) if j == 'bar']
This is more efficient for larger lists than using enumerate():
$ python -m timeit -s "from itertools import...
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, ...
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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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...
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
...
Printing leading 0's in C?
I'm trying to find a good way to print leading 0's, such as 01001 for a zipcode. While the number would be stored as 1001, what is a good way to do it?
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Filter git diff by type of change
...ster
PREV_VERSION is the hash of your first commit.
To get an export as zip you can use this code
git archive --output=export.zip HEAD $(git diff --name-only --diff-filter=ACMR PREV_VERSION HEAD)
Note: .gitignore is not in export.zip
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Memcached下一站:HandlerSocket! - 更多技术 - 清泛网 - 专注C/C++及内核技术
...般是/etc/mysql/my.cnf,否则一般是/etc/my.cnf
最后登陆MySQL并激活HandlerSocket插件:
mysql> INSTALL PLUGIN handlersocket soname 'handlersocket.so';
重启一下MySQL服务,如果没有问题,就能在MySQL里看到HandlerSocket的线程了:
mysql> SHOW PROCESSLIST;
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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个Sink Group。一个Sink Processor负责从一个指定的Sink Group中激活一个Sink。Sink Processor可以通过组中所有Sink实现负载均衡;也可以在一个Sink失败时转移到另一个。
e、 事务支持
Scribe没有考虑事务的支持。
Flume通过应答确认机制实...
pytest: assert almost equal
...ld=0.0001):
return abs(x-y) < threshold
assert all(map(almost_equal, zip((1.32, 2.4), i_return_tuple_of_two_floats())
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