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Commands out of sync; you can't run this command now

I am trying to execute my PHP code, which calls two MySQL queries via mysqli, and get the error "Commands out of sync; you can't run this command now". ...
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关于我们 · App Inventor 2 中文网,少儿编程陪伴者

...员中心 中文社区 关于 var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNod...
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req.body empty on posts

...er parameters: Content-Type: application/json Also, be sure to wrap any strings used as keys/values in your JSON payload in double quotes. The body-parser package will parse multi-line raw JSON payloads just fine. { "foo": "bar" } Tested in Chrome v37 and v41 with the Postman v0.8.4.13 e...
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Java's Virtual Machine and CLR

...nsiders a List<int> to be a completely different type from a List<String>. Under the covers, it uses the same MSIL for all reference-type specializations (so a List<String> uses the same implementation as a List<Object>, with different type-casts at the API boundaries), but ...
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Are static fields inherited?

...which I used to verify my answer): #include <iostream> #include <string> using namespace std; class SomeClass { public: SomeClass() {total++;} static int total; void Print(string n) { cout << n << ".total = " << total << endl; } }; ...
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Grunt watch error - Waiting…Fatal error: watch ENOSPC

... In my case my problem seems to be to have Dropbox installed which seems to use a lot of watches. So I had to use: fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p as in the accepted answer, but +1 for teach me npm dedupe ...
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扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网

...e function Detect is fired when the user performs a gesture, and returns a string which is the name of the recognized gesture. If no gesture is detected, the returned string is empty. The function EnableDetection and DisableDetection are used to switch on and off the detection respectively. Figure ...
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扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网

...e function Detect is fired when the user performs a gesture, and returns a string which is the name of the recognized gesture. If no gesture is detected, the returned string is empty. The function EnableDetection and DisableDetection are used to switch on and off the detection respectively. Figure ...
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扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网

...e function Detect is fired when the user performs a gesture, and returns a string which is the name of the recognized gesture. If no gesture is detected, the returned string is empty. The function EnableDetection and DisableDetection are used to switch on and off the detection respectively. Figure ...
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扩展App Inventor:具有多点触控和手势检测功能 · App Inventor 2 中文网

...e function Detect is fired when the user performs a gesture, and returns a string which is the name of the recognized gesture. If no gesture is detected, the returned string is empty. The function EnableDetection and DisableDetection are used to switch on and off the detection respectively. Figure ...