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Getting a list item by index
I've recently started using c# moving over from Java. I can't seem to find how to get a list item by index. In java to get the first item of the list it would be:
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How to convert a string to an integer in JavaScript?
... kind of error on bad input, instead you'll get back NaN unless the string starts with a number. Whitespace at the beginning of the string is ignored. Here's an example of it doing something different to what you want, and giving no indication that anything went wrong:
var widgetsSold = parseInt("9...
How to create circle with Bézier curves?
We have a start point (x, y) and a circle radius. There also exists an engine that can create a path from Bézier curve points.
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How to simulate a button click using code?
... @moon - If you want to have people notified of your comments, start them with "@" and the first few letters of the user who you want notified.... (authors of the commented on post automatically get notified, but commenters do not)
– Peter Ajtai
Jan...
Flags to enable thorough and verbose g++ warnings
Often in C under gcc , I will start with the following set of warning flags (painfully assembled from multiple sources):
5...
JPA EntityManager: Why use persist() over merge()?
...e example will help.
MyEntity e = new MyEntity();
// scenario 1
// tran starts
em.persist(e);
e.setSomeField(someValue);
// tran ends, and the row for someField is updated in the database
// scenario 2
// tran starts
e = new MyEntity();
em.merge(e);
e.setSomeField(anotherValue);
// tran ends ...
Use of Application.DoEvents()
... could click the same menu item or button that causes the same loop to get started. Now you have two nested loops executing DoEvents(), the previous loop is suspended and the new loop is starting from scratch. That could work, but boy the odds are slim. Especially when the nested loop ends and th...
What do I need to read to understand how git works? [closed]
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Git From the Bottom Up is the starting point for understanding the architecture. Linus's talk complements it well.
– Paul
Nov 4 '08 at 13:50
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How do I write outputs to the Log in Android?
...b.ardakaplan:RDALogger:1.0.0'
}
For initializing library, you should start like this (in Application.class or before first use)
RDALogger.start("TAG NAME").enableLogging(true);
And than you can log whatever you want;
RDALogger.info("info");
RDALogger.debug("debug");
RDALogger.v...
Should I use single or double colon notation for pseudo-elements?
...f single colons will not be allowed for new pseudo-elements, shouldn't you start using double colons to get in the habit?
– andrewtweber
Jan 4 '16 at 19:02
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