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What's the difference between the data structure Tree and Graph?
...recursive pointer-based structure. The representation is not unique for unrooted trees, but that is immaterial.
– j_random_hacker
Jul 7 '14 at 9:42
2
...
How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...but not least the sample code from media fire.
Install node.js+npm(as non root)
First you should(if you have not done this yet) install node.js+npm in 30 seconds (the right way because you should NOT run npm as root):
echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
. ~/.bashrc
mkdir ~...
How to open every file in a folder?
...
you should try using os.walk
yourpath = 'path'
import os
for root, dirs, files in os.walk(yourpath, topdown=False):
for name in files:
print(os.path.join(root, name))
stuff
for name in dirs:
print(os.path.join(root, name))
stuff
...
Log4net rolling daily filename with date in the file name
...
To preserve file extension:
<log4net>
<root>
<level value="DEBUG"/>
<appender-ref ref="RollingLogFileAppender"/>
</root>
<appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender">
<f...
App restarts rather than resumes
...l Activity. If those two flags are present and the Activity is not at the root of the task (meaning the app was already running), then I call finish() on the initial Activity. That exact solution may not work for you, but something similar should.
Here is what I do in onCreate() of the initial/l...
App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网
... Disconnect 或 DisconnectWithAddress 引起的，或者在设备移开或重置以致发生连接丢失后引起的。
FloatsReceived – 当从连接的蓝牙设备接收到一个或多个 IEEE 754 浮点值时，将触发该事件。根据上次调用 ReadFloats 或 RegisterForFlo...
How to find a Java Memory Leak
...ook. However, I do not understand how I am supposed to be able to find the root reference ( ref ) or whatever it is called. Basically, I can tell that there are several hundred megabytes of hash table entries ([java.util.HashMap$Entry or something like that), but maps are used all over the place... ...
Start / Stop a Windows Service from a non-Administrator user account
...ING : /grant=mike=f : No previous object opened". The service I tried was MySQL. Reboot: access is denied, as ever.
– mike rodent
Mar 14 '16 at 21:29
add a comment
...
How to find list of possible words from a letter matrix [Boggle Solver]
...value) - 97] = self
def MakeTrie(dictfile):
dict = open(dictfile)
root = TrieNode(None, '')
for word in dict:
curNode = root
for letter in word.lower():
if 97 <= ord(letter) < 123:
nextNode = curNode.children[ord(letter) - 97]
...
ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
...处理＂重绘过程＂中所有的脏活了。
这篇文章的焦点是如何在一个LISTCTRL控件上使用Custom Draw消息。究其原因，一部分是因为我已经在我的工作上使用了Custom Draw有一段时间了，我很熟悉它。另一个原因是这个机制确实是非常好...