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How to estimate how much memory a Pandas' DataFrame will need?
...ar 20906600
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To include indexes, pass index=True.
So to get overall 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 bec...
What is Python used for? [closed]
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– Paulo Scardine
Jul 15 '13 at 20:32
2
@obmon Just a simple (and very personal reason): C is gr...
How to activate JMX on my JVM for access with jconsole?
...has the default value as true. (Thank you Sun!) To be super clear, especially to those less familiar with JMX nobs, I use: com.sun.management.jmxremote=true Ref: docs.oracle.com/javase/8/docs/technotes/guides/management/…
– kevinarpe
Nov 15 '15 at 12:28
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Cordova: start specific iOS emulator image
...nfirm the 4.7 and 5.5 inch emulators are not listed, even with Xcode 6 installed :-(
– Ben Clayton
Oct 17 '14 at 19:11
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How do I test if a variable is a number in Bash?
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@Ben do you really want to handle more than one minus sign? I'd make it ^-? rather than ^-* unless you're actually doing the work to handle multiple inversions correctly.
– Charles Duffy
Jun 26 '11 at...
Java 8 stream reverse order
..., e) -> list.add(0, e),
(list1, list2) -> list1.addAll(0, list2));
It's probably possible to write a much more efficient reversing collector using some kind of customized data structure.
UPDATE 2016-01-29
Since this question has gotten a bit of attention recently, I figur...
How to hide action bar before activity is created, and then show it again?
...tActionBar().hide();
setContentView(R.layout.splash); // be sure you call this AFTER requestFeature
This creates the ActionBar and immediately hides it before it had the chance to be displayed.
But now there is another problem. After putting windowActionBar="false" in the theme, the Activity...
How to overload std::swap()
...ns are seen, the more specific one (this one) will be chosen when swap is called without qualification.
– Dave Abrahams
Apr 17 '11 at 14:24
5
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Having both a Created and Last Updated timestamp columns in MySQL 4.0
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Previously, at most one TIMESTAMP column per table could be automatically initialized or updated to the current date and time. This restriction has been lifted. Any TIMESTAMP column definition can have any combination of DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP clauses. In add...
In C#, how to check if a TCP port is available?
In C# to use a TcpClient or generally to connect to a socket how can I first check if a certain port is free on my machine?
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