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Differences between “java -cp” and “java -jar”?
...IFEST using space separated jars in a Class-Path entry, e.g.:
Class-Path: mysql.jar infobus.jar acme/beans.jar
Both are comparable in terms of performance.
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Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...lphi的例子代码，只能自己去找了。
刚开始时由于不清楚如何用Dokan来实现一个文件系统，所以需要做一些试验，结果一不小心就蓝屏了！悲剧啊，用XP系统已经好多年没遇到蓝屏了。几次蓝屏之后，终于受不了了，于是在VMWare...
Protecting executable from reverse engineering?
...eed to obfuscate code if the code were uncrackable in the first place. The root of the problem is crackable software. Fix the root of your problem, don't just obfuscate it.
Also, the more confusing you make your code, the harder it will be for YOU to find security bugs. Yes, it will be hard for hac...
Python - Create a list with initial capacity
... 0.0098
Conclusion. It barely matters.
Premature optimization is the root of all evil.
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postgresql return 0 if returned value is null
... are NULL values in the query.
For all versions I've tested, postgres and mysql will ignore all NULL values when averaging, and it will return NULL if there is nothing to average over. This generally makes sense, as NULL is to be considered "unknown". If you want to override this you can use coale...
How many bytes does one Unicode character take?
...ints.net/.
I wasted a lot of time on this useless list (but it's sorted!).
MySQL has a charset called "utf8" which actually does not support characters longer than 3 bytes. So you can't insert a pile of poo, the field will be silently truncated. Use "utf8mb4" instead.
There's a snowman test page (un...
How to get current CPU and RAM usage in Python?
...")
objSWbemServices = objWMIService.ConnectServer(strComputer,"root\cimv2")
query_str = '''Select * from %s%s''' % (self.win32_perf_base,counter_type)
colItems = objSWbemServices.ExecQuery(query_str) # "Select * from Win32_PerfFormattedData_PerfProc_Process")# ch...
Expand Python Search Path to Other Source
...bspath(os.path.curdir)
abspath = os.path.join(cwd, folder)
for root, dirs, files in os.walk(abspath):
for f in files:
if f[-3:] in '.py':
add.add(root)
break
for i in add: sys.path.append(i)
>>> import using, sys, pprint
&...
Spring Boot application as a Service
...ou might want to add ordering statements to the [Unit] section, e.g. After=mysql.service, Before=apache2.service.
– rustyx
Jan 25 at 9:41
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SQL Server CTE and recursion example
...>
-- In a rCTE, this block is called an [Anchor]
-- The query finds all root nodes as described by WHERE ManagerID IS NULL
SELECT EmployeeID, FirstName, LastName, ManagerID, 1
FROM Employees
WHERE ManagerID IS NULL
-->>>>>>>>>>Block 1>>>>>&...