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在 App Inventor 2 中使用图像 · App Inventor 2 中文网
... an image much larger than the app requires.
Every image has a “size” based on its width and height in pixels. You can multiply these two numbers to get a sense of the amount of memory required for displaying the image.
App Inventor lets you get images (for example, from the Web) and impo...
Unable to execute dex: method ID not in [0, 0xffff]: 65536
...Application { .. }
3 - Call MultiDex#install from your Application#attachBaseContext method:
public class MyApplication {
protected void attachBaseContext(Context base) {
super.attachBaseContext(base);
MultiDex.install(this);
....
}
....
}
Update 1 (10/17/2...
Why are these numbers not equal?
...allest positive floating-point number x
#such that 1 + x != 1. It equals base^ulp.digits if either
#base is 2 or rounding is 0; otherwise, it is
#(base^ulp.digits) / 2. Normally 2.220446e-16.
#....
.Machine$double.eps
#[1] 2.220446e-16
sprintf("%a",.Machine$double.eps)
#[1] "0x1p-52"
Yo...
HTTP handler vs HTTP module
...ne;
Http Handlers:
Http Handler helps us to inject pre-processing logic based on the extension of the file name requested. ASP.NET uses HTTP handlers for implementing a lot of its own functionality.For example, ASP.NET uses handlers for processing .aspx, .asmx and trace.axd files.
example:
RSS ...
What techniques can be used to speed up C++ compilation times?
...goals it to find the largest symbols in your code.
Method 1 - Sort symbols based on size
You can use the nm command to list the symbols based on their sizes:
nm --print-size --size-sort --radix=d YOUR_BINARY
In this command the --radix=d lets you see the sizes in decimal numbers (default is hex). N...
What is the difference between 'protected' and 'protected internal'?
...
- Update answer 2019 -
You can find the difference in below table based accessibility is yes,
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Web Reference vs. Service Reference
...T 2.0 too on the computer? Or .NET 4.0 will be able to handle the .NET 2.0 based "Web Reference" technology? I want to know because I am deploying a SOAP webservice as "Web Reference" in a .NET 4.0 application.
– Computer User
May 6 '14 at 21:07
...
Where to place and how to read configuration resource files in servlet based application?
In my web application I have to send email to set of predefined users like finance@xyz.com , so I wish to add that to a .properties file and access it when required. Is this a correct procedure, if so then where should I place this file? I am using Netbeans IDE which is having two separate folder...
Understanding spring @Configuration class
...rstanding Spring @Autowired usage I wanted to create a complete knowledge base for the other option of spring wiring, the @Configuration class.
...
Adjust width of input field to its input
...ation is that the style be applied dynamically to the width of the textbox based on the contents of the textbox. If so you will need some js to run on textbox contents changing, something like this:
<input id="txt" type="text" onkeypress="this.style.width = ((this.value.length + 1) * 8) + 'px';...