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MFC Grid control 2.27 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...快速做出各种定制界面的表格。
Download Grid Control Source and Demo - 311.9 KB
Preface
This grid is the work of thousands of hours of squinting at pixels, hunting memory leaks, adding new features, fixing new bugs and beating the code by force of will into a form that is as f...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
...akes the server treat strings using charset latin 1, basically ascii
CP1 stands for Code Page 1252
CI case insensitive comparisons so 'ABC' would equal 'abc'
AS accent sensitive, so 'ü' does not equal 'u'
P.S. For more detailed information be sure to read @solomon-rutzky's answer.
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SQLite - UPSERT *not* INSERT or REPLACE
...no-op if the INSERT would violate a uniqueness constraint. UPSERT is not standard SQL. UPSERT in SQLite follows the syntax established by PostgreSQL.
GOOD but tendous: This will update 2 of the columns.
When ID=1 exists, the NAME will be unaffected.
When ID=1 does not exist, the name will be the...
Best practices for circular shift (rotate) operations in C++
Left and right shift operators (>) are already available in C++.
However, I couldn't find out how I could perform circular shift or rotate operations.
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ActiveMQ or RabbitMQ or ZeroMQ or [closed]
We'd be interested to hear any experiences with the pros and cons of ActiveMQ vs RabbitMQ vs ZeroMQ. Information about any other interesting message queues is also welcome.
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Regex lookahead, lookbehind and atomic groups
...hat I can use them for.
Does somebody have examples so I can try to understand how they work?
3 Answers
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Why use the params keyword?
...ly doing to make the best choice.
– Allen Clark Copeland Jr
Nov 28 '15 at 22:15
2
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Bitwise operation and usage
...ators that work on multi-bit values, but conceptually one bit at a time.
AND is 1 only if both of its inputs are 1, otherwise it's 0.
OR is 1 if one or both of its inputs are 1, otherwise it's 0.
XOR is 1 only if exactly one of its inputs are 1, otherwise it's 0.
NOT is 1 only if its input is 0, o...
What characters do I need to escape in XML documents?
... to escape all five characters in text. However, the three characters ", ' and > needn't be escaped in text:
<?xml version="1.0"?>
<valid>"'></valid>
Attributes
The safe way is to escape all five characters in attributes. However, the > character needn't be escaped in ...
When to use ' (or quote) in Lisp?
...ough the major parts of an introductory Lisp book, I still couldn't understand what the special operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen.
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