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How can I pass a constant value for 1 binding in multi-binding?
... it is any other primitive data type, you need to define a static resource and reference this.
Define the sys namespace in the root of the XAML to point to System in mscorlib, and the following should work:
<TextBlock>
<TextBlock.Resources>
<sys:Int32 x:Key="fixedValue">123...
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...
How to send only one UDP packet with netcat?
I want to send only one short value in a UDP packet, but running the command
5 Answers
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decorators in the python standard lib (@deprecated specifically)
I need to mark routines as deprecated, but apparently there's no standard library decorator for deprecation. I am aware of recipes for it and the warnings module, but my question is: why is there no standard library decorator for this (common) task ?
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Merge git repo into branch of another repo
Given repo Foo and repo Bar. I want to merge Bar with Foo, but only into a separate branch, called baz .
3 Answers
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How to check a string for specific characters?
...ic than the above...
s.find('$')==-1 # not found
s.find('$')!=-1 # found
And so on for other characters.
... or
pattern = re.compile(r'\d\$,')
if pattern.findall(s):
print('Found')
else
print('Not found')
... or
chars = set('0123456789$,')
if any((c in chars) for c in s):
print('F...
Can git undo a checkout of unstaged files
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I understand that changes to a 'private' file cannot be undone by git. However, if the file was modified by git (e.g. via git checkout --), I'd expect it to be able to undo that operation, maybe via the reflog. Is that wrong expectati...
How to extract text from a string using sed?
...
That's why, isn't it? Replace whatever comes before and after the match with norhing, then print the whole line.
– tripleee
Jul 19 '12 at 21:01
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Is there StartsWith or Contains in t sql with variables?
...Note that internally these work differently, especially w.r.t. performance and its use of indexes. For example, a query using colName LIKE 'prefix%' will be very fast when colName is indexed, but colName LIKE '%substring%' or colName LIKE '%suffix' will be slow because SQL Server does not create su...
How to base64 encode image in linux bash / shell
I'm trying to base64 encode an image in a shell script and put it into variable:
6 Answers
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