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How to check with javascript if connection is local host?
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if launching static html in browser, eg from location like file:///C:/Documents and Settings/Administrator/Desktop/ detecting "localhost" will not work. location.hostname will return empty string. so
if (location.hostname === "localhost" || location.hostname === "...
Using node.js as a simple web server
...w PhoneGap App. This is a generic mobile app that can load the HTML5 files from a server during development. This is a very slick trick since now you can skip the slow compile/deploy steps in your development cycle for hybrid mobile apps if you're changing JS/CSS/HTML files — which is what you're ...
In Java, is there a way to write a string literal without having to escape quotes?
...ck of different string-literal syntaxes in Java.
Here's a trick I've used from time to time:
String myString = "using `backticks` instead of quotes".replace('`', '"');
I mainly only do something like that for a static field. Since it's static the string-replace code gets called once, upon initia...
How can i get the session object if i have the entity-manager
...at the result of this method is implementation specific i.e. non portable from application server using Hibernate to the other. For example with JBoss you would do:
org.hibernate.Session session = (Session) manager.getDelegate();
But with GlassFish, you'd have to do:
org.hibernate.Session sessi...
Swift: Testing optionals for nil
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From swift programming guide
If Statements and Forced Unwrapping
You can use an if statement to find out whether an optional contains a
value. If an optional does have a value, it evaluates to true; if it
has no...
Understanding the ngRepeat 'track by' expression
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I have a list of 700 odd items. Render time went from 4 seconds to 100ms. Track by should be used for all ngRepeat's based on data sourced from rest.
– Patrick
Nov 3 '16 at 1:04
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Is there a vr (vertical rule) in html?
... have one. HTML is parsed sequentially, meaning you lay out your HTML code from top to bottom, left to right how you want it to appear from top to bottom, left to right (generally)
A vr tag does not follow that paradigm.
This is easy to do using CSS, however. Ex:
<div style="border-left:1px so...
Is there a way to programmatically scroll a scroll view to a specific edit text?
... @k29 do you refer to the two visible formulas here? They are both from me, I further simplified the formula of my comment and edited the answer accordingly. But all the rest is still the same from the original answer and was also very helpful for me.
– Elementary
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uint8_t vs unsigned char
... the data for.
Also, I'm assuming you meant uint8_t (the standard typedef from C99 provided in the stdint.h header) rather than uint_8 (not part of any standard).
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Active Record - Find records which were created_at before today
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thanks!. If I need all records from MyTable1 which is one to one relation with MyTable on the same condition, how to write the query? I was referring something like MyTable1.where(MyTable[:created_at] < Time.now) is it possible?
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