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What does the ??!??! operator do in C?
...if (x || y) { a[i] = '\0'; } looking like if (x öö y) ä aÄiÅ = 'Ö0'; å in the wrong charset.
– Ilmari Karonen
Oct 20 '11 at 13:36
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Android: Go back to previous activity
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Try Activity#finish(). This is more or less what the back button does by default.
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backbone.js & underscore.js CDN recommendation?
...periods of down time atleast in europe
– Simon Dragsbæk
Feb 26 '14 at 12:36
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show 2 more comments
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Setting the correct encoding when piping stdout in Python
...at you receive, and encode what you send.
# -*- coding: utf-8 -*-
print u"åäö".encode('utf-8')
Another didactic example is a Python program to convert between ISO-8859-1 and UTF-8, making everything uppercase in between.
import sys
for line in sys.stdin:
# Decode what you receive:
lin...
Is it good practice to NULL a pointer after deleting it?
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I always set a pointer to NULL (now nullptr) after deleting the object(s) it points to.
It ca...
What is the difference between Strategy design pattern and State design pattern?
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answered Nov 1 '09 at 20:32
YishaiYishai
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How to create a memory leak in Java?
... the classes it has loaded. It was even worse in many JVM implementations, especially prior to Java 7, because classes and ClassLoaders were allocated straight into permgen and were never garbage-collected at all.)
A variation on this pattern is why application containers (like Tomcat) can leak mem...
What is an Endpoint?
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Paul OsmanPaul Osman
3,83122 gold badges2323 silver badges2020 bronze badges
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mqtt协议一般最大支持订阅几个主题？ - 创客硬件开发 - 清泛IT社区，为创新赋能！
...内存）往往是更常见的瓶颈。嵌入式设备： 一个运行在ESP32或STM32单片机上的客户端，其可用内存可能只有几百KB。它可能只能成功维护几十个甚至几个订阅，因为每个订阅都需要内存来存储主题过滤器和其他相关状态。超过限...
Plurality in user messages
...mize the problem and make it less messy.
– Øyvind Bråthen
Nov 23 '10 at 9:44
@Øyvind: Fair enough. Since you have t...