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JSON serialization of Google App Engine models
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There is a small mistake in the code: Where you have "output[key] = to_dict(model)" it should be: "output[key] = to_dict(value)". Besides that it's perfect. Thanks!
– arikfr
Nov 7 '09 at 22:02
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Get IP address of visitors using Flask for Python
...emote_addr)
When proxies, such as nginx, forward addresses, they typically include the original IP somewhere in the request headers.
Update See the flask-security implementation. Again, review the documentation about ProxyFix before implementing. Your solution may vary based on your particular...
Unable to find specific subclass of NSManagedObject
...://stackoverflow.com/a/31287260/1187415).
Remark: This answer was originally written for Xcode 6.
There were some changes in the various Xcode 7 beta releases with
respect to this problem. Since it is an accepted answer with many
upvotes and links to it, I have tried to summarize the situation
fo...
iOS: How to store username/password within an app?
I have a login-screen in my iOS app.
The username and password will be saved in the NSUserDefaults and be loaded into the login-screen again when you enter the app again (of course, NSUserDefaults are permanent).
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分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...务的高可用性只能通过第二种方法来完成——数据的冗余存储（一般工业界认为比较安全的备份数应该是3份，如：Hadoop和Dynamo）。 但是，加入更多的机器，会让我们的数据服务变得很复杂，尤其是跨服务器的事务处理，也就是...
How to make a SPA SEO crawlable?
...-state enabled; I also use Breezejs for client-server data interaction, all of which I strongly recommend, but I'll try to give a general enough explanation that will also help people using other platforms.
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How to test android referral tracking?
...ust run in a terminal:
adb shell
am broadcast -a com.android.vending.INSTALL_REFERRER -n <your.package>/.<path.up.until.your.BroadcastReceiver> --es "referrer" "utm_source=test_source\&utm_medium=test_medium\&utm_term=test_term\&utm_content=test_content\&utm_campaign=te...
Listen for key press in .NET console app
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Use Console.KeyAvailable so that you only call ReadKey when you know it won't block:
Console.WriteLine("Press ESC to stop");
do {
while (! Console.KeyAvailable) {
// Do something
}
} while (Console.ReadKey(true).Key != ConsoleKey.Escape);
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How to detect if app is being built for device or simulator in Swift
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#endif
After Swift 4.1 version
Latest use, now directly for all in one condition for all types of simulators need to apply only one condition -
#if targetEnvironment(simulator)
// your simulator code
#else
// your real device code
#endif
For more clarification, you can check S...
Making macOS Installer Packages which are Developer ID ready
Note: This is for OS X Installer packages only, packages for submission to the Mac App Store follow different rules.
5 ...