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Unable to hide welcome screen in Emacs
...l customization group
then select environment group, then initialization, and set inhibit startup screen to on.
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SELECT * WHERE NOT EXISTS
...eeID = e.id
)
You can join these tables with a LEFT JOIN keyword and filter out the NULL's, but this will likely be less efficient than using NOT EXISTS.
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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...
Pandas - Get first row value of a given column
...2
There is a difference between df_test['Btime'].iloc[0] (recommended) and df_test.iloc[0]['Btime']:
DataFrames store data in column-based blocks (where each block has a single
dtype). If you select by column first, a view can be returned (which is
quicker than returning a copy) and the origina...
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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how do I check in bash whether a file was created more than x time ago?
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you can drop 'test' and the backticks. This is analogous to 'if (test == true)' vs 'if (test)'
– guns
Sep 9 '09 at 19:51
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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...
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 extract text from a string using sed?
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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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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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