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How can I round a number in JavaScript? .toFixed() returns a string?
...copypaste this function to your code:
function toFixedNumber(num, digits, base){
var pow = Math.pow(base||10, digits);
return Math.round(num*pow) / pow;
}
.
Or if you want a “native-like” function, you can extend the prototype:
Number.prototype.toFixedNumber = function(digits, base){
...
Encrypting & Decrypting a String in C# [duplicate]
...votes, I've updated it to fix silly bugs and to generally improve the code based upon comments and feedback. See the end of the post for a list of specific improvements.
As other people have said, Cryptography is not simple so it's best to avoid "rolling your own" encryption algorithm.
You can, h...
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...
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...
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 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
...
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...
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...