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How accurate is python's time.sleep()?
...update rates. At the time I was doing this I was also running the code on Mac and Windows, so I probably got confused. I know windows XP at least has a tick rate of about 10ms.
– Joseph Lisee
Aug 11 '10 at 15:55
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“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
... "$(which gdb)"
source http://andresabino.com/2015/04/14/codesign-gdb-on-mac-os-x-yosemite-10-10-2/
On macOS 10.12 (Sierra) and later, you must also
Use gdb 7.12.1 or later
Additionally prevent gdb from using a shell to start the program to be debugged. You can use the following command for this...
How can I redirect HTTP requests made from an iPad?
...f the iPad is to use a HTTP proxy server, such as Squid running on another machine where you can edit the hosts file.
On the iPad Under Settings -> Network -> Wi-Fi -> (Your network) There is a HTTP Proxy setting which can be set to manual. Enter you proxy information here.
Once this is ...
Is there a Newline constant defined in Java like Environment.Newline in C#?
...as many people think it is. Just because your app is running on a Windows machine, for example, doesn't mean the file it's reading will be using Windows-style line separators. Many web pages contain a mixture of "\n" and "\r\n", having been cobbled together from disparate sources. When you're rea...
How to make exe files from a node.js app?
...ion to "bundle" the whole app as a single executable. It supports windows, mac and linux.
Here are some docs on the various options for deploying node-webkit apps, but in a nutshell, you do the following:
Zip up all your files, with a package.json in the root
Change the extension from .zip to .n...
Check if an image is loaded (no errors) with jQuery
...dgeWin10, IE11Win8.1, Win7IE10, Win7IE9, iOS 10.2 Chrome, iOS 10.2 Safari, mac os 10.12 Chrome, mac os 10.12 Safari, mac os 10.12 Firefox, Google Pixel 7.1, Samsung S5 Android 4.4. Don't forget to use addEventListener/removeEventListener too :D
– danjah
Dec 9 ...
社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...统都可能出问题，如果对方服务器宕机、网页改版、更换地址等我们需要第一时间知道，这时监控系统就起到出现了问题及时发现并通知联系人。
目前这样的框架搭建起来基本可以解决大量的抓取需求了。通过界面可以管理...
Xcode 4 - “Archive” is greyed out?
... something that is not a simulator, i.e. a device that's connected to your mac.
If you have no device connected to the mac then selecting "Generic IOS Device" works also.
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Can I have multiple Xcode versions installed?
...found that the best practice is to install the version that came with your Mac first and then install downloaded versions, but it probably doesn't make a big difference. See http://developer.apple.com/documentation/Xcode/Conceptual/XcodeCoexistence/Contents/Resources/en.lproj/Details/Details.html t...
No visible cause for “Unexpected token ILLEGAL”
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I had the same problem on my mac and found it was because the Mac was replacing the standard quotes with curly quotes which are illegal javascript characters.
To fix this I had to change the settings on my mac System Preferences=>Keyboard=>Text(ta...