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Best explanation for languages without null
... be in one of three states: open, shut but unlocked, and shut and locked. Now I could model it along the lines of
class Door
private bool isShut
private bool isLocked
and it is clear how to map my three states into these two boolean variables. But this leaves a fourth, undesired state a...
SQL Server CTE and recursion example
...AS MyColName
-- Or
SELECT MyColName = 1
-- Etc...
)
Q 2) now here about CTE and recursion of employee relation
the moment i add two manager and add few more employee under second manager then problem start.
i want to display first manager detail and in the next rows only those empl...
What is the difference between a pseudo-class and a pseudo-element in CSS?
...lement refers to things that are part of the document, but you just don't know it yet. For example the first letter. Before you only had text. Now you have a first letter that you can target. It is a new concept, but was always part of the document. This also includes things like ::before; whil...
廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...r signal 17
Nov 30 18:25:39 share1 heartbeat: [4460]: info: Local status now set to: 'up'
Nov 30 18:25:39 share1 heartbeat: [4460]: info: Link share1:eth1 up.
Nov 30 18:25:40 share1 heartbeat: [4460]: info: Link 172.16.20.254:172.16.20.254 up.
Nov 30 18:25:40 share1 heartbeat: [4460]: info: ...
What is the difference between concurrency, parallelism and asynchronous methods?
...are NOT the same thing.
Differences between concurrency vs. parallelism
Now let’s list down remarkable differences between concurrency and parallelism.
Concurrency is when two tasks can start, run, and complete in overlapping time periods. Parallelism is when tasks literally run at the same ti...
Multi-key dictionary in c#? [duplicate]
I know there isn't one in the BCL but can anyone point me to a good opensource one?
16 Answers
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WebView link click open default browser
Right now I have an app that loads a webview and all the clicks are kept within the app. What I would like to do is when a certain link, for example, http://www.google.com is clicked within the app it opens the default browser. If anyone has some ideas please let me know!
...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...
From the web point of view common knowledge (Internet, comments from experts) suggest that greatly increasing the max. number of request threads is a bad thing in blocking IO (making processing of requests even slower) due to memory increase and context switch...
MySQL string replace
...updates/', 'articles/news/')
WHERE your_field LIKE '%articles/updates/%'
Now rows that were like
http://www.example.com/articles/updates/43
will be
http://www.example.com/articles/news/43
http://www.electrictoolbox.com/mysql-find-replace-text/
...
Split a python list into other “sublists” i.e smaller lists [duplicate]
...tually it is equivalent, except for a bug where the last batch is missing, now fixed.
– qris
Sep 1 '15 at 8:54
...