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Rounding float in Ruby
I'm having problems rounding. I have a float, which I want to round to the hundredth of a decimal. However, I can only use .round which basically turns it into an int, meaning 2.34.round # => 2. Is there a simple effect way to do something like 2.3465 # => 2.35
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How to set timeout on python's socket recv method?
I need to set timeout on python's socket recv method. How to do it?
10 Answers
10
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How to prevent a background process from being stopped after closing SSH client in Linux
I'm working on a Linux machine through SSH (Putty). I need to leave a process running during the night, so I thought I could do that by starting the process in background (with an ampersand at the end of the command) and redirecting stdout to a file.
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Stateless and Stateful Enterprise Java Beans
I am going through the Java EE 6 tutorial and I am trying to understand the difference between stateless and stateful session beans. If stateless session beans do not retain their state in between method calls, why is my program acting the way it is?
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...m library code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer management does give an order of magnitude improvement.
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Has Facebook sharer.php changed to no longer accept detailed parameters?
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Facebook no longer supports custom parameters in sharer.php
The sharer will no longer accept custom parameters and facebook will
pull the information that is being displayed in the preview the same
way that it would appear on facebook as a post fro...
Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x
...nstallation. Here is the thing. I got this error every single time I tried to install HAXM for my computer:
16 Answers
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Android dex gives a BufferOverflowException when building
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No need to downgrade the build tools back to 18.1.11, this issue is fixed with build tools 19.0.1.
If you can't use 19.0.1 for some reason then:
Make sure that the value of android:targetSdkVersion in AndroidManifest.xml matches ta...
What is the difference between Python's list methods append and extend?
... What is the difference between extend and simply using the addition operator - in the above example, x = x + [4, 5]?
– Rohan
May 29 '17 at 22:10
315
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Efficient way to apply multiple filters to pandas DataFrame or Series
I have a scenario where a user wants to apply several filters to a Pandas DataFrame or Series object. Essentially, I want to efficiently chain a bunch of filtering (comparison operations) together that are specified at run-time by the user.
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