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Using .NET, how can you find the mime type of a file based on the file signature not the extension
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21 Answers
21
Active
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How can I convert a string to upper- or lower-case with XSLT?
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197
In XSLT 1.0 the upper-case() and lower-case() functions are not available.
If you're using a ...
remove all variables except functions
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137
Here's a one-liner that removes all objects except for functions:
rm(list = setdiff(ls(), lsf...
How to write binary data to stdout in python 3?
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171
A better way:
import sys
sys.stdout.buffer.write(b"some binary data")
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Can jQuery get all CSS styles associated with an element?
... var l = css[i].split(": ");
s[l[0].toLowerCase()] = (l[1]);
}
}
return s;
}
Pass a jQuery object into css() and it will return an object, which you can then plug back into jQuery's $().css(), ex:
var style = css($("#elementToGetAllCSS"));
$("#elementToPutStyleI...
What's the Android ADB shell “dumpsys” tool and what are its benefits?
... SERVICE wifi:
DUMP OF SERVICE window:
Some Dumping examples and output
1) Getting all possible battery statistic:
$~ adb shell dumpsys battery
You will get output:
Current Battery Service state:
AC powered: false
AC capacity: 500000
USB powered: true
status: 5
health: 2
present: true
level: ...
Python Pandas: Get index of rows which column matches certain value
... pd.DataFrame({'BoolCol': [True, False, False, True, True]},
index=[10,20,30,40,50])
In [53]: df
Out[53]:
BoolCol
10 True
20 False
30 False
40 True
50 True
[5 rows x 1 columns]
In [54]: df.index[df['BoolCol']].tolist()
Out[54]: [10, 40, 50]
If you want to use the index...
How to pause for specific amount of time? (Excel/VBA)
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15 Answers
15
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Convert a char to upper case using regular expressions (EditPad Pro)
...xample:
test this sentence
Find what: \([^ ]*\) \(.*\)
Replace with: \U\1\E \2
the \U will cause all following chars to be upper
the \E will turn off the \U
the result will be:
TEST this sentence
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