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Why can I change value of a constant in javascript
... // ['foo2']
but neither of these:
const x = {};
x = {foo: 'bar'}; // error - re-assigning
const y = ['foo'];
const y = ['bar']; // error - re-declaring
const foo = 'bar';
foo = 'bar2'; // error - can not re-assign
var foo = 'bar3'; // error - already declared
function foo() {}; // ...
How to Get the Title of a HTML Page Displayed in UIWebView?
...RL URLWithString:@"http://www.appcoda.com"] encoding:NSASCIIStringEncoding error:nil];
NSString * start = @"<title>";
NSRange range1 = [htmlCode rangeOfString:start];
NSString * end = @"</title>";
NSRange range2 = [htmlCode rangeOfString:end];
NSString * subString = [htmlCode substring...
iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Request requestWithURL:[NSURL URLWithString:@"http://www.baidu.com"]]];
NSError *error;
NSString *errorString = [NSString stringWithFormat:@"<html><center><font size=+5 color='red'>AnError Occurred;<br>%@</font></center></html>",error];
[myWebView loadHTMLString:errorString baseURL:nil];
//页...
Unable to launch the IIS Express Web server, Failed to register URL, Access is denied
...
I solved the error by changing the port for the project.
I did the following steps:
1 - Right click on the project.
2 - Go to properties.
3 - Go to Server tab.
4 - On tab section, change the project URL for other port, like 8080 or 300...
Process.start: how to get the output?
...
I was wondering how you could deal with StandardError ?. BTW I really like this code snippet ! nice and clean.
– codea
Nov 27 '13 at 8:54
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Purpose of “consider_all_requests_local” in config/environments/development.rb?
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Non-local requests result in user-friendly error pages. Local requests, assumed to come from developers, see a more useful error message that includes line numbers and a backtrace. consider_all_requests_local allows your app to display these developer-friendly messa...
ASP.NET MVC - TempData - Good or bad practice
... the Product, On Success the Controller redirects to URL Products/1 and on error would redirect back to products/New to display Error Messages.
Products/1 is just the standard GET action for the product, but we would like a message to display indicating the insert was a success. TempData is perfect...
How to set auto increment primary key in PostgreSQL?
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Getting this error in pgAdmin 4. Both bigserial and serial are giving the same error: ERROR: syntax error at or near "BIGSERIAL"
– adi
Oct 30 '16 at 10:59
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Capturing standard out and error with Start-Process
... a bug in PowerShell's Start-Process command when accessing the StandardError and StandardOutput properties?
7 Answer...
What is “406-Not Acceptable Response” in HTTP?
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"Sometimes" this can mean that the server had an internal error, and wanted to respond with an error message (ex: 500 with JSON payload) but since the request headers didn't say it accepted JSON, it returns a 406 instead. Go figure. (in this case: spring boot webapp).
In which cas...