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How to delete images from a private docker registry?
...u can list your catalogs by calling this url:
http://YourPrivateRegistyIP:5000/v2/_catalog
Response will be in the following format:
{
"repositories": [
<name>,
...
]
}
Step 2: Listing tags for related catalog
You can list tags of your catalog by calling this url:
http://Yo...
服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...大于255，默认值是5，对应于180秒左右时间
net.ipv4.tcp_syn_retries=2
#net.ipv4.tcp_synack_retries=2
#表示当keepalive起用的时候，TCP发送keepalive消息的频度。缺省是2小时，改为300秒
net.ipv4.tcp_keepalive_time=1200
net.ipv4.tcp_orphan_retries=3
#表示如...
How can I use threading in Python?
...ternative URLs and return the contents of the first one to respond.
import Queue
import threading
import urllib2
# Called by each thread
def get_url(q, url):
q.put(urllib2.urlopen(url).read())
theurls = ["http://google.com", "http://yahoo.com"]
q = Queue.Queue()
for u in theurls:
t = thr...
FileSystemWatcher vs polling to watch for file changes
...to filter out unwanted change notifications.
We use 16MB due to a large batch expected at one time. Works fine and never misses a file.
We also read all the files before beginning to process even one...get the file names safely cached away (in our case, into a database table) then process them. ...
How to use if - else structure in a batch file?
I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you.
...
iOS start Background Thread
... using Grand Central Dispatch, though:
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
[self getResultSetFromDB:docids];
});
GCD is a newer technology, and is more efficient in terms of memory overhead and lines of code.
Updated with a hat tip to Chris Nole...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
搭建高可用mongodb集群（二）—— 副本集在上一篇文章《搭建高可用MongoDB集群（一）——配置MongoDB》提到了几个问题还没有解决。主节点挂了能否自动切换连接？目前需要手工切换。 在上一篇文章《搭建高可用MongoDB集群（一...
How to run a PowerShell script from a batch file
...
I explain both why you would want to call a PowerShell script from a batch file and how to do it in my blog post here.
This is basically what you are looking for:
PowerShell -NoProfile -ExecutionPolicy Bypass -Command "& 'C:\Users\SE\Desktop\ps.ps1'"
And if you need to run your PowerSh...
How to implement a queue using two stacks?
...
Keep 2 stacks, let's call them inbox and outbox.
Enqueue:
Push the new element onto inbox
Dequeue:
If outbox is empty, refill it by popping each element from inbox and pushing it onto outbox
Pop and return the top element from outbox
Using this method, each element wi...
When to use Spring Integration vs. Camel?
... effect of Spring XD has had on making unifying Spring Integration, Spring Batch, Spring Data (+Hadoop!) in one stack, effectively bringing batch and stream processing, HDFS/Apache Hadoop support, and much more to Spring Integration.
4.) The effect of the soon-to-be-released Spring Integration 4.0 ...