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namespaces for enum types - best practices
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Original C++03 answer:
The benefit from a namespace (over a class) is that you can use using declarations when you want.
The problem with using a namespace is that namespaces can be expanded elsewhere in the code. In a large project, you would not be guarant...
List directory tree structure in python?
...nswers above, but for python3, arguably readable and arguably extensible:
from pathlib import Path
class DisplayablePath(object):
display_filename_prefix_middle = '├──'
display_filename_prefix_last = '└──'
display_parent_prefix_middle = ' '
display_parent_prefix_last...
jquery: $(window).scrollTop() but no $(window).scrollBottom()
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scroll Top is # of vertical pixels from document Top to visible window Top. As an exact opposite to scroll Top, scroll Bottom should measure # of vertical pixels from document Bottom to the visible window Bottom (i.e. Alfred's answer below). What this gives is...
Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
I want to send temperature value from a microcontroller using UART to C# interface and Display temperature on Label.Content . Here is my microcontroller code:
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Installing PDO driver on MySQL Linux server
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On Ubuntu you should be able to install the necessary PDO parts from apt using sudo apt-get install php5-mysql
There is no limitation between using PDO and mysql_ simultaneously. You will however need to create two connections to your DB, one with mysql_ and one using PDO.
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How to extract a floating number from a string [duplicate]
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You can use the following regex to get integer and floating values from a string:
re.findall(r'[\d\.\d]+', 'hello -34 42 +34.478m 88 cricket -44.3')
['34', '42', '34.478', '88', '44.3']
Thanks
Rex
share
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remove_if equivalent for std::map
I was trying to erase a range of elements from map based on particular condition. How do I do it using STL algorithms?
13 A...
Different floating point result with optimization enabled - compiler bug?
...wide. Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit precision to 64-bit precision.
Use the -ffloat-store gcc option to get the same floating point results with different optimization levels.
Alternatively, use the l...
How can I remove the first line of a text file using bash/sed script?
I need to repeatedly remove the first line from a huge text file using a bash script.
16 Answers
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Font size in CSS - % or em?
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I want to make people aware of that this article is from 2007. Since then modern browsers have become more common, and modern browsers usually zoom-in instead of increasing font-size as default. Because of this, 'px' has become more common and in my opinion a better approach. ...