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What does SynchronizationContext do?
...SynchronizationContext, ThreadPool.QueueUserWorkItem, control.BeginInvoke, etc. over to the new async / await keywords and the Task Parallel Library (TPL), i.e. the API surrounding the Task and Task<TResult> classes. These will, to a very high degree, take care of capturing the UI thread's syn...
How to make an array of arrays in Java
...onality (index-based lookup, sorting, uniqueness, FIFO-access, concurrency etc.).
While it's of course good and important to know about Arrays and their usage, in most cases using Collections makes APIs a lot more manageable (which is why new libraries like Google Guava hardly use Arrays at all).
...
What is the difference between “px”, “dip”, “dp” and “sp”?
...he same on a multitude of devices. So even if the physical size of buttons etc changes a little bit, the overall look of an activity will be the same.
– intrepidis
Jun 15 '13 at 7:03
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Is there documentation for the Rails column types?
...5 characters (depending on DBMS)
Use for short text fields (names, emails, etc)
Text:
Unlimited length (depending on DBMS)
Use for comments, blog posts, etc. General rule of thumb: if it's captured via textarea, use Text. For input using textfields, use string.
Integer:
Whole numbers
Float:
...
CSS display:table-row does not expand when width is set to 100%
...
If you're using display:table-row etc., then you need proper markup, which includes a containing table. Without it your original question basically provides the equivalent bad markup of:
<tr style="width:100%">
<td>Type</td>
<td ...
How to style the option of an html “select” element?
.... If your gonna do this might as well use a jQuery plugin, React component etc. that handles keyboard UP/DOWN, typeahead/searching etc.
– John Culviner
Sep 9 '16 at 22:21
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What is a “thread” (really)?
...is loaded in the processor core, the thread is running. The processor is fetching instructions demanded by the thread and updating the thread registers. When a context switch is needed, the processor saves this set of register values into memory and loads a set belonging to a different thread, typ...
Why can I access private variables in the copy constructor?
...paring, adding/multiplying/dividing, copy-constructing, cloning, assigning etc. then it's often the case that you either simply must have access to private and/or protected data in the other object, or want it to allow a simpler, faster or generally better function implementation.
Specifically, the...
Where to put view-specific javascript files in an ASP.NET MVC application?
What is the best place (which folder, etc) to put view-specific javascript files in an ASP.NET MVC application?
6 Answers...
Given an emacs command name, how would you find key-bindings ? (and vice versa)
...-bindings
Lists all the bindings currently available, use isearch, occur, etc. to make good use of this list.
M-x describe-prefix-map
This shows all the bindings available from the current mode, you can use the display buffer as you would any other readonly Emacs buffer, for example you can searc...