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What is the difference between a port and a socket?
...ed computers, but the ambiguity can be resolved using the routing table by selecting the interface with the shortest route to the remote endpoint.
Clarity would be enhanced in other respects, too. A socket is not identified by the combination of IP address and port:
[...]TCP demultiplexes incom...
Why must jUnit's fixtureSetup be static?
...variables at their default values - and the @Test method would be randomly selected, because the order of methods in the .class file is unspecified/compiler-dependent (IIRC, Java's reflection API returns the methods in the same order as they are declared in the .class file, although also that behavi...
How do cache lines work?
...(DDR1/2/3/4 SDRAM burst transfer size is configurable up to 64B; CPUs will select the burst transfer size to match their cache line size, but 64B is common)
As a rule of thumb, if the processor can't forecast a memory access (and prefetch it), the retrieval process can take ~90 nanoseconds, or ~250...
jquery UI Sortable with table and tr width
...
The selected answer here is a really nice solution, but it has one severe bug which is apparent in the original JS fiddle (http://jsfiddle.net/bgrins/tzYbU/): try dragging the longest row (God Bless You, Mr. Rosewater), and the r...
How to use orderby with 2 fields in linq? [duplicate]
... in MyList
orderby x.StartDate, x.EndDate descending
select x).ToList();
ThenByDescending is an extension method on IOrderedEnumerable which is what is returned by OrderBy. See also the related method ThenBy.
...
jQuery dot in ID selector? [duplicate]
...
Use the escaping rules from the jQuery selectors API as follows:
$('#root\\.SomeCoolThing')
From the docs:
To use any of the meta-characters (such as
!"#$%&'()*+,./:;<=>?@[\]^`{|}~) as a literal part of a name, it must
be escaped with with...
【可动态编辑表格】App Inventor 2 Dynamic Editable HTML Table - App应用...
...mary key), and then the other data columns, for example data returned by a SELECT query from an sqlite/mysql database or similar dataset from a google sheet. Therefore it will not let you edit the id (primary key row) because this is essential unique data and should not be changed. If you add a new ...
How to have favicon / icon set when bookmarklet dragged to toolbar?
...for your bookmarklet.
Open Bookmarks Manager, click Organize dropdown, and select Export, save your bookmarks as html file.
Open that html file in text editor.
Find the bookmark you just created, lets say its Gmail bookmark, you should have an html code for it, that looks like this:
<DT><...
Discard all and get clean copy of latest revision?
...ndlines for all of my tools, so I tend to do it using the UI:
1. First, select "commit"
2. Then, display ignored files. If you have uncommitted changes, hide them.
3. Now, select all of them and click "Delete Unversioned".
Done. It's a procedure that is far easier to remember than comman...
Why does git perform fast-forward merges by default?
... stable version (usually from last release), to be able to cherry-pick and select which features to include by selecting which feature branches to merge, you are usually not in fast-forward situation... which makes this issue moot. You need to worry about creating a true merge and not fast-forward ...