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Why doesn't a python dict.update() return the object?
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Python's API, by convention, distinguishes between procedures and functions. Functions compute new values out of their parameters (including any target object); procedures modify objects and don't return anything (i.e. they return Non...
ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...息。
拓扑建立和消息路由的分离很好地映射到BSD套接字API上（bind/connect和send/recv)。
现在，学术方面的争论甚至更加重要。使用ØMQ该做什么，不该做什么。
底层的协议,比如TCP,允许你发送数据给特定的终端节点。&Osla...
pythonw.exe or python.exe?
...ShellExecuteEx (just for console programs, as noted) because the GUI shell API otherwise has no support for standard I/O.
– Eryk Sun
Jul 28 '16 at 3:41
| ...
Fully custom validation error message with Rails
... Lovely. I was looking for getting a one-liner message for my API app and you have shown me how to manipulate the errors class. TY
– ARK
Aug 7 at 15:02
add a comm...
Best practice: AsyncTask during orientation change
...ing for long periods of time, it is highly recommended you use the various APIs provided by the java.util.concurrent pacakge such as Executor, ThreadPoolExecutor and FutureTask.
Alternatively one could use a service, loader (using a CursorLoader or AsyncTaskLoader), or content provider to perform ...
How to view the SQL queries issued by JPA?
... get the SQL for a specific Query at runtime you can use the DatabaseQuery API:
Query query = em.createNamedQuery("findMe");
Session session = em.unwrap(JpaEntityManager.class).getActiveSession();
DatabaseQuery databaseQuery = ((EJBQueryImpl)query).getDatabaseQuery();
databaseQuery.prepareCall(s...
Building a minimal plugin architecture in Python
...ed on your post: lkubuntu.wordpress.com/2012/10/02/writing-a-python-plugin-api
– MiJyn
Oct 3 '12 at 18:06
9
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Weird Integer boxing in Java
...afc there is no other way to unbox an Integer than via the official public API, i.e. calling intValue(). But there are other possible ways to get an Integer instance for an int value, e.g. a compiler may generate code keeping and reusing previously created Integer instances.
– ...
Read text file into string array (and write)
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As of Go1.1 release, there is a bufio.Scanner API that can easily read lines from a file. Consider the following example from above, rewritten with Scanner:
package main
import (
"bufio"
"fmt"
"log"
"os"
)
// readLines reads a whole file into memory
/...
How to free memory in Java?
... On winXp java SE GC runs every System.gc() or almost every but API doc does not guarantee it.
– teodozjan
Jan 13 '12 at 10:02
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