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How to estimate how much memory a Pandas' DataFrame will need?
...ll memory consumption:
>>> df.memory_usage(index=True).sum()
731731000
Also, passing deep=True will enable a more accurate memory usage report, that accounts for the full usage of the contained objects.
This is because memory usage does not include memory consumed by elements that are not ...
How to replace a character by a newline in Vim
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100
In the syntax s/foo/bar, \r and \n have different meanings, depending on context.
Short:
For ...
How to Detect if I'm Compiling Code with a particular Visual Studio version?
..._MSC_VER == 1200 (Visual Studio 6.0 version 6.0)
MSVC++ 5.0 _MSC_VER == 1100 (Visual Studio 97 version 5.0)
The version number above of course refers to the major version of your Visual studio you see in the about box, not to the year in the name. A thorough list can be found here. Starting rec...
How to map and remove nil values in Ruby
...ting through the array to remove them later.
'Just my $%0.2f.' % [2.to_f/100]
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Format decimal for percentage values?
...y and in this case not very useful "String.Format("Value: {0:F2}.", 0.8526*100)"
– rekiem87
Jun 29 '16 at 22:59
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How to set limits for axes in ggplot2 R plots?
...imits within coord_flip() like so:
p + coord_flip(ylim = c(3,5), xlim = c(100, 400))
This just alters the visible range (i.e. doesn't remove data points).
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Dynamically change color to lighter or darker by percentage CSS (Javascript)
...use compatibility table).
.button {
color: #ff0000;
}
/* note: 100% is baseline so 85% is slightly darker,
20% would be significantly darker */
.button:hover {
filter: brightness(85%);
}
<button class="button">Foo lorem ipsum</button>
Here's more reading fro...
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Button does nothing Google Chrome Version 76.0.3809.100 (Official Build) (64-bit).
– 1934286
Aug 15 '19 at 19:10
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Get notified when UITableView has finished asking for data?
... I'm not sure if this work. Last index is the end of the table data (eg. 100 records) but table will only display what is visible on the screen (eg. 8 records).
– Travis M.
Sep 10 '14 at 17:19
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How to detect Windows 64-bit platform with .NET?
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If you're using .NET Framework 4.0, it's easy:
Environment.Is64BitOperatingSystem
See Envir...