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event.preventDefault() vs. return false
...$('a').click(function (e) {
// custom handling here
// oops...runtime error...where oh where will the href take me?
return false;
});
The benefit to using event.preventDefault() is that you can add this as the first line in the handler, thereby guaranteeing that the anchor's default behavi...
How to validate inputs dynamically created using ng-repeat, ng-show (angular)
...
AngularJS relies on input names to expose validation errors.
Unfortunately, as of today, it is not possible (without using a custom directive) to dynamically generate a name of an input. Indeed, checking input docs we can see that the name attribute accepts a string only.
To ...
Deny all, allow only one IP through htaccess
...
This can be improved by using the directive designed for that task.
ErrorDocument 403 /specific_page.html
Order Allow,Deny
Allow from 111.222.333.444
Where 111.222.333.444 is your static IP address.
When using the "Order Allow,Deny" directive the requests must match either Allow or Deny, i...
How/When does Execute Shell mark a build as failure in Jenkins?
...cript will exit with failure, even if just 1 command fails, even if you do error checking for that command (because the script exits before it gets to your error checking). This is contrary to normal execution of shell scripts, which usually print the error message for the failed command (or redirec...
How can I update npm on Windows?
...he instruction, but when running "npm-windows-upgrade" I get the following error: npm-windows-upgrade : The term 'npm-windows-upgrade' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the pat...
Simplest/Cleanest way to implement singleton in JavaScript?
... //and refer to the same instance. Another option is to
//throw an error.
return Foo._instance;
}
Foo._instance = this;
//Foo initialization code
};
Foo.getInstance = function () {
"use strict";
return Foo._instance || new Foo();
}
long form, using module pattern...
HttpClient not supporting PostAsJsonAsync method C#
...plication. I am using .Net 4.5 and while writing the code I am getting the error HttpClient does not contain a definition PostAsJsonAsync method.
...
Python, Unicode, and the Windows console
... try to print a Unicode string in a Windows console, I get a UnicodeEncodeError: 'charmap' codec can't encode character .... error. I assume this is because the Windows console does not accept Unicode-only characters. What's the best way around this? Is there any way I can make Python automatical...
ArrayBuffer to base64 encoded string
...se64ToArrayBuffer() function here: codeshare.io/PT4pb but that gives me an error as: Failed to execute 'atob' on 'Window': The string to be decoded is not correctly encoded.
– bawejakunal
Jul 11 '15 at 13:27
...
Android Writing Logs to text File
...
org.apache.log4j.Logger log= Log4jHelper.getLogger( "YourActivity" );
log.error("Error");
log.info("Info");
log.warn("Warn");
Example Source. Note that, log4j 2.x ( improved functionalities ) rewritten from scratch is not backward comptible with log4j 1.x. So you have to use log4j 1.2.x jar with...