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How to check for a valid URL in Java?
...rties that you can set to control how this class behaves, by default http, https, and ftp are accepted.
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Django set default form values
... this way:
form = SomeModelForm(request.POST, initial={"option": "10"})
https://docs.djangoproject.com/en/1.10/topics/forms/modelforms/#providing-initial-values
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Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]
...ing.IsNullOrWhiteSpace("\n"); //true
string.IsNullOrEmpty("\n"); //false
https://dotnetfiddle.net/4hkpKM
also see this answer about: whitespace characters
Long answer:
There are also a few other white space characters, you probably never used before
https://docs.microsoft.com/en-us/dotnet/ap...
How to add a filter class in Spring Boot?
...etRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponse;
import org.springframework.context.annotation.Profile;
import org.springframework.stereotype.Component;
@Component
public class XClacksOverhead implements Filter {
public static final String X_CLACKS...
On EC2: sudo node command not found, but node without sudo is ok
...ere's an approach that doesn't use symlinks, or require root:
$ git clone https://github.com/joyent/node.git
$ cd node
$ mkdir ~/opt
$ export PREFIX=~/opt; ./configure
$ make
$ make install
$ echo 'export PATH=~/opt/bin:${PATH}' >> ~/.bashrc
Then I did:
$ git clone https://github.com/isaac...
Git remote branch deleted, but still it appears in 'branch -a'
... remote-tracking branches." according to the Git documentation found here: https://git-scm.com/docs/git-branch
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jQuery - multiple $(document).ready …?
...d look like
$(function() { ... insert code here ... });
See this link:
https://api.jquery.com/ready/
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Access-Control-Allow-Origin wildcard subdomains, ports and protocols
...in + port dynamically) without using any rewrite rules:
SetEnvIf Origin ^(https?://.+\.mywebsite\.com(?::\d{1,5})?)$ CORS_ALLOW_ORIGIN=$1
Header append Access-Control-Allow-Origin %{CORS_ALLOW_ORIGIN}e env=CORS_ALLOW_ORIGIN
Header merge Vary "Origin"
And that's it.
Those who want to enable...
Signed to unsigned conversion in C - is it always safe?
...intf("boring");
return 0;
}
You can use this link to try this online: https://repl.it/repls/QuickWhimsicalBytes
Bonus: Arithmetic Conversion Side Effect
Arithmetic conversion rules can be used to get the value of UINT_MAX by initializing an unsigned value to -1, ie:
unsigned int umax = -1; /...
Open a link in browser with java button? [duplicate]
...n Linux, Desktop is not always available.
The lenghty answer is posted at https://stackoverflow.com/a/21676290/873282
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