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Are Roslyn SyntaxNodes reused?
...tions of the tree that were affected by the edit.
Now when you try to put all five of those things into one data structure you immediately run into problems:
How do you build a node in the first place? The parent and the child both refer to each other, and are immutable, so which one gets built f...
Get timezone from DateTime
...mezone information. It may know if it's UTC or local, but not what local really means.
DateTimeOffset is somewhat better - that's basically a UTC time and an offset. However, that's still not really enough to determine the timezone, as many different timezones can have the same offset at any one po...
Traits in PHP – any real world examples/best practices? [closed]
...
My personal opinion is that there is actually very little application for traits when writing clean code.
Instead of using traits to hack code into a class it is better to pass in the dependencies via the constructor or via setters:
class ClassName {
protected...
Animate change of view controllers without using navigation controller stack, subviews or modal cont
...ontroller.view.anotherView).
I've implemented a simple container class I called TransitionController. You can find it at https://gist.github.com/1394947.
As an aside, I prefer the implementation in a separate class b/c it's easier to reuse. If you don't want that, you could simply implement the sa...
How to find out which JavaScript events fired?
... Sources> Event Listener Breakpoints (on the right).
You can also view all events that have already been attached by simply right clicking on the element and then browsing its properties (the panel on the right).
For example:
Right click on the upvote button to the left
Select inspect element
...
How is location accuracy measured in Android?
... that radius of the measured point in meters. Assuming that errors are normally distributed (which, as the docs say, is not necessarily true), that means that this is one standard deviation. For example, if Location.getAccuracy returns 10, then there's a 68% chance the true location of the device is...
What is the difference between jQuery: text() and html() ?
...r .html()?
Answer: .html() is faster! See here a "behaviour test-kit" for all the question.
So, in conclusion, if you have "only a text", use html() method.
Note: Doesn't make sense? Remember that the .html() function is only a wrapper to .innerHTML, but in the .text() function jQuery adds an "enti...
Are PHP include paths relative to the file or the calling code?
...e location of A.PHP? That is, does it matter which file the include is called from, or only what the current working directory is- and what determines the current working directory?
...
Row count with PDO
... question, the only reason mysql_num_rows() worked is because it was internally fetching all the rows to give you that information, even if it didn't seem like it to you.
So in PDO, your options are:
Use PDO's fetchAll() function to fetch all the rows into an array, then use count() on it.
Do an ex...
How to get the sizes of the tables of a MySQL database?
I can run this query to get the sizes of all tables in a MySQL database:
16 Answers
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