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How do you connect to multiple MySQL databases on a single webpage?
I have information spread out across a few databases and want to put all the information onto one webpage using PHP. I was wondering how I can connect to multiple databases on a single PHP webpage.
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html5 - canvas element - Multiple layers
Without any extension library, is it possible to have multiple layers in the same canvas element?
7 Answers
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Objective-C: difference between id and void *
...erence to some random Objective-C object of unknown class"
There are additional semantic differences:
Under GC Only or GC Supported modes, the compiler will emit write barriers for references of type id, but not for type void *. When declaring structures, this can be a critical difference. De...
Set custom HTML5 required field validation message
I have one form with many input fields. I have put html5 validations
11 Answers
11
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How do I define and use an ENUM in Objective-C?
I declared an enum in my implementation file as shown below, and declared a variable of that type in my interface as PlayerState thePlayerState; and used the variable in my methods. But I am getting errors stating that it is undeclared. How do I correctly declare and use a variable of type PlayerSta...
UIView with rounded corners and drop shadow?
I’ve been working on an application for a couple of years and received a simple design request: Round the corners on a UIView and add a drop shadow.To do as given below.
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App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网
...ice 接口才能使此方法正常工作。
参数:
param (component) —
需要特定服务的组件块。
ScanForService – 通过服务UUID扫描 广播特定BLE服务 的设备。
参数:
serviceUuid (text) —
目标BLE设备的广...
Any way to properly pretty-print ordered dictionaries?
...n. I use it a lot for testing and debugging. I frequently use the width option to make sure the output fits nicely within my terminal window.
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How do I find out which keystore was used to sign an app?
...d_key'.
Keytool is part of Java, so make sure your PATH has Java installation dir in it.
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Duplicate headers received from server
...s. Do a replace on commas to remove them and you should be fine. My function to make a valid filename is below.
public static string MakeValidFileName(string name)
{
string invalidChars = Regex.Escape(new string(System.IO.Path.GetInvalidFileNameChars()));
string invalidReS...