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Understanding generators in Python
...certain common types of generators:
>>> g = (n for n in range(3, 5))
>>> next(g)
3
>>> next(g)
4
>>> next(g)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
StopIteration
Note that generator expressions are much like list co...
Making the main scrollbar always visible
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335
html {
overflow: -moz-scrollbars-vertical;
overflow-y: scroll;
}
This make the scroll...
How do I install Python OpenCV through Conda?
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225
You can install it using binstar:
conda install -c menpo opencv
...
Optimal way to concatenate/aggregate strings
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+50
SOLUTION
The definition of optimal can vary, but here's how to concatenate strings from different rows using regular Transact SQL, w...
How do I adb pull ALL files of a folder present in SD Card
...from BusyBox:
adb shell find "/sdcard/Folder1" -iname "*.jpg" | tr -d '\015' | while read line; do adb pull "$line"; done;
Here is an explanation:
adb shell find "/sdcard/Folder1" - use the find command, use the top folder
-iname "*.jpg" - filter the output to only *.jpg files
...
Checking to see if a DateTime variable has had a value assigned
...
Jon SkeetJon Skeet
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Modifying a subset of rows in a pandas dataframe
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How can prepared statements protect from SQL injection attacks?
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edited Sep 22 '19 at 18:15
answered Nov 25 '11 at 6:04
You...
How do I get PHP errors to display?
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3250
This always works for me:
ini_set('display_errors', '1');
ini_set('display_startup_errors', '1...