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BLE（一）概述&工作流程&常见问题 - 创客硬件开发 - 清泛IT社区，...
文章源自：https://www.gandalf.site/2018/11/ble.html
0x1 BLE概述“蓝牙”，即Bluetooth，是斯堪的纳维亚语中 Blåtand / Blåtann 的英化版本。该词是十世纪的一位国王Harald Bluetooth的绰号，相传他将纷争不断的丹麦部落统一为一个王国，并引...
PL/SQL, how to escape single quote in a string?
...can use literal quoting:
stmt := q'[insert into MY_TBL (Col) values('ER0002')]';
Documentation for literals can be found here.
Alternatively, you can use two quotes to denote a single quote:
stmt := 'insert into MY_TBL (Col) values(''ER0002'')';
The literal quoting mechanism with the Q synta...
sometimes my file just freezes in my vi |vim, what happened?
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624
Ctrl-S is probably the culprit; it stops your screen output in most terminals. As Michael ment...
form_for but to post to a different action
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answered Mar 16 '11 at 2:43
AustinAustin
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Flask-SQLAlchemy how to delete all rows in a single table
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edited Sep 17 '19 at 18:25
Ilja Everilä
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answe...
How to change port number for apache in WAMP
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Shaun
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answered Dec 20 '11 at 10:57
vishal_gvishal_g
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What is the Objective-C equivalent for “toString()”, for use with NSLog?
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250
It is the description instance method, declared as:
- (NSString *)description
Here's an exa...
jQuery: checking if the value of a field is null (empty)
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answered Nov 22 '10 at 10:47
GuffaGuffa
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grepping using the “|” alternative operator
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answered Jul 21 '11 at 12:21
Jeff FosterJeff Foster
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Can I change the color of auto detected links on UITextView?
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On iOS 7 you can set the tintColor of the UITextView. It affects the link color as well as the c...