大约有 8,000 项符合查询结果(耗时:0.0219秒) [XML]
领域驱动设计系列(三):事件驱动上 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...们先将事件驱动,下一篇展示如何实现同步的事件,以后转换为异步那也很容易,让多个接受者处理这个事件,接受者可以是动态的哦,以后老板娘也想知道的话,代码也不用改的亲,好,我先去写实现代码去!
作者: 王德水...
为什么你得学些 TCP 的知识? - 更多技术 - 清泛网 - 专注C/C++及内核技术
...收确认通知之后才能发送。这是 Nagle 算法导致的。
转换到连接的另一端,HAProxy 需要决定如何确认这两个包。在 1.4.18 版本中(我们正在用的版本),它是通过 TCP 延迟确认通知来实现的。延迟确认对 Nagle 算法有非常糟糕的...
php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...rray ('foo' => 'bar');
//生成url-encode后的请求字符串,将数组转换为字符串
$data = http_build_query($data);
$opts = array (
<span style="white-space:pre"> </span>'http' => array (
<span style="white-space:pre"> </span>'method' => 'POST',
<span style="white-space:pre"> </...
Heatmap in matplotlib with pcolor?
... np
%pylab inline
page = urlopen("http://datasets.flowingdata.com/ppg2008.csv")
nba = pd.read_csv(page, index_col=0)
# Normalize data columns
nba_norm = (nba - nba.mean()) / (nba.max() - nba.min())
# Sort data according to Points, lowest to highest
# This was just a design choice made by Yau
# in...
Sorting a Python list by two fields
I have the following list created from a sorted csv
7 Answers
7
...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...段,sed则可以实现更新插入删除等写操作。
ps
查看进程列表
grep排除grep自身查找与target相邻的结果awksed插入替换删除xargscurl综合案例
参考资料
Advanced Bash-Scripting Guide,非常详细,非常易读,大量example,既可以当入门教...
Read file from line 2 or skip header row
...
If you want to read multiple CSV files starting from line 2, this works like a charm
for files in csv_file_list:
with open(files, 'r') as r:
next(r) #skip headers
rr = csv.reader(r)
...
How can foreign key constraints be temporarily disabled using T-SQL?
...NT ' + const.const_name + ' FOREIGN KEY (
' + const.parent_col_csv + '
) REFERENCES ' + const.ref_obj + '(' + const.ref_col_csv + ')
GO'
FROM (
SELECT QUOTENAME(fk.NAME) AS [const_name]
,QUOTENAME(schParent.NAME) + '.' + QUOTENAME(OBJECT_name(fkc.parent_object_id)...
jQuery Ajax File Upload
...t;
<th>Select File </th>
<td><input id="csv" name="csv" type="file" /></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="submit"/>
</td>
</tr>
</table>
</for...
How to check the extension of a filename in a bash script?
...atement. I am sharing it here in case it helps someone. if [[ ( $file == *.csv ) || ( $file == *.png ) ]]
– joelostblom
Feb 7 '15 at 1:09
...
