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Do c++11 lambdas capture variables they don't use?
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Pinging for your attention here, which says such optimization is not allowed, at least for explicitly named variables. I'm not sure where to draw the line.
– GManNickG
Oct 3 '12 at 23:54...
Checking network connection
...le.")
return False
Bonus: this can be extended to this function that pings a website.
def web_site_online(url='http://www.google.com/', timeout=5):
try:
req = requests.get(url, timeout=timeout)
# HTTP errors are not raised by default, this statement does that
req.r...
Select multiple columns in data.table by their numeric indices
...e up top. (And please -- you or anyone else who reads this -- feel free to ping me with a reminder as soon as that happens.)
– Josh O'Brien
Aug 24 '15 at 23:28
2
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Android Studio/Intellij Idea: “Table of Contents” for a class
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I've just got a Tip of the Day popup in Android Studio helping with exactly this problem.
You can quickly navigate in the currently edited file with
Ctrl/⌘+F12 (Navigate | File Structure).
It shows the list of members of the current class. Select an element you want to...
迅雷发布无限节点CDN 每GB仅0.1元 - 资讯 - 清泛网 - 专注C/C++及内核技术
...客户都是行业里顶尖、的对CDN要求最挑剔的客户，他们在测试我们CDN的时候提出的技术指标非常的多，而且都是从他的业务角度提出的技术指标，比如说爱奇艺，他会从他的业务角度给我们提很多技术指标，像是用户打开的时候...
Hibernate Annotations - Which is better, field or property access?
...mix (like some JSON-converting lib or BeanMapper or Dozer or other bean mapping/cloning lib based on getter/setter properties) you'll have the guarantee that the lib is in sync with the persistence manager (both use the getter/setter).
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How do I prevent the iPhone screen from dimming or turning off while my application is running?
...tion as well. Turns out it was a "rouge process" on our MDM server sending pings to our devices to dim the screens. very annoying.
– JMStudios.jrichardson
May 12 '18 at 15:00
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快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...预期的更好。
到今天为止，15个交易日的20万实盘账户测试，共成交2768手（每一单都是软件自动按照设定的条件，1手、1手报单的），产生手续费合计6244.6元，平仓净利润6975元，未平仓（持仓的）52手。
这种交易模式，是可...
How to prevent XSS with HTML/PHP?
...ine (e.g. Twig, Smarty, Blade), check that it offers context-sensitive escaping. I know from experience that Twig does. {{ var|e('html_attr') }}
If you want to allow HTML, use HTML Purifier. Even if you think you only accept Markdown or ReStructuredText, you still want to purify the HTML these marku...
Alarm 闹钟扩展 · App Inventor 2 中文网
...钟仍在等待触发的方法。您必须自己管理这些。通知闹钟测试示例展示了如何做到这一点。
CreateAlarm 和 CreateAlarmEx 在指定的延迟后生成闹钟。Android AlarmManager 即使应用程序关闭也会执行存储的操作。CreateAlarmAt 在特定时间生成...