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If Python is interpreted, what are .pyc files?
...'translated'. Python is then compiled to a bytecode. AFAIK, only Bash is really interpreted , all other popular "interpreted" languages are all compiled to a bytecode.
– bfontaine
Aug 6 '14 at 13:42
...
SQL Server: Filter output of sp_who2
...R(MAX),
DBName VARCHAR(MAX),
Command VARCHAR(MAX),
CPUTime INT,
DiskIO INT,
LastBatch VARCHAR(MAX),
ProgramName VARCHAR(MAX),
SPID_1 INT,
REQUESTID INT
)
INSERT INTO @Table EXEC sp_who2
SELECT *
FROM @Table
WHERE ....
And filter...
phpcms v9与ucenter通信失败 完美解决 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用 IP:(选填,正常情况下留空即可。如果由于域名解析问题导致 UCenter 与该应用通信失败,请尝试设置为该应用所在服务器的 IP 地址。)
通信密钥:(必填,phpcms 的通信密钥必须与此设置保持一致,否则 phpsso 将无法与 U...
What is the native keyword in Java for?
...tation doesn’t have to use JNI. Certain JRE methods are handled intrinsically by the JVM. In fact, it’s not even mandatory that the implementation is actually native code. It’s just “implemented in a language other than the Java programming language”.
– Holger
...
Multiprocessing: How to use Pool.map on a function defined in a class?
...eak
q_out.put((i, f(x)))
def parmap(f, X, nprocs=multiprocessing.cpu_count()):
q_in = multiprocessing.Queue(1)
q_out = multiprocessing.Queue()
proc = [multiprocessing.Process(target=fun, args=(f, q_in, q_out))
for _ in range(nprocs)]
for p in proc:
p.da...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...ail解决方案搭建邮件服务器全攻略,以及搭建过程中常见问题的解决方法汇总。首先通过一幅图看看整个解决方案的原理:
当用户通过extmail登陆时,首先extmail先去通过mysql进行虚拟用户认证,当认证通过时,postfix通过Cyrus-SASL...
to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...bviews whenever you can. You can be more productive, and take advantage of all the OO mechanisms that should things easier to maintain. Use Core Graphics when you can't get the performance you need out of UIKit, or you know trying to hack together drawing effects in UIKit would be more complicated....
Database sharding vs partitioning
...databases. Sharding is one specific type of partitioning, part of what is called horizontal partitioning.
Here you replicate the schema across (typically) multiple instances or servers, using some kind of logic or identifier to know which instance or server to look for the data. An identifier of th...
What is a memory fence?
...ead/writes occur in the order you expect. For example a 'full fence' means all read/writes before the fence are comitted before those after the fence.
Note memory fences are a hardware concept. In higher level languages we are used to dealing with mutexes and semaphores - these may well be implemen...
AsciiConversion 拓展问题:字母开头的会出现“C2”非预期字符 - App Inven...
做TCP通讯时遇到的问题,主要问题是:列表如果是字母开头就会出问题
发送这个列表
字母开头的都有这个问题,文本显示没有问题。
上面那个是程序 ,下面这个是测试工具
测试了一下:
1、ClientSocket拓展默认...
