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Releasing memory in Python
...does it release 50.5mb in particular - what is the amount that is released based on?
What it's based on is, ultimately, a whole series of coincidences inside Python and malloc that are very hard to predict.
First, depending on how you're measuring memory, you may only be measuring pages actually ...
scala vs java, performance and memory? [closed]
...o overly strict contracts, as often happens in Java. Strict contracts not based on actual patterns in the code are the reason Inversion of Responsibility patterns are necessary just to properly unit test your code (Dependence Injection comes to mind first and the XML Hell it brings). The addl. con...
Which, if any, C++ compilers do tail-recursion optimization?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to remove single character from a String
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64
You can use Java String method called replace, which will replace all characters matching the f...
Is < faster than
...otnote on Jcc:
7) Selection of conditional jump instructions should be based on the recommendation of section Section 3.4.1, “Branch Prediction Optimization,” to improve the predictability of branches. When branches are predicted successfully, the latency of jcc is effectively zero.
So, n...
Optimise PostgreSQL for fast testing
...disk or other non-durable storage.
If you lose a tablespace the whole database may be damaged and hard to use without significant work. There's very little advantage to this compared to just using UNLOGGED tables and having lots of RAM for cache anyway.
If you truly want a ramdisk based system, in...
How to pass json POST data to Web API method as an object?
...rs and MVC controllers are inheriting from Microsoft.AspNet.Mvc.Controller base class.
To send data to the method from client side, the below code should work fine
//Build an object which matches the structure of our view model class
var model = {
Name: "Shyju",
Id: 123,
Tags: [{ Id: 1...
copying all contents of folder to another folder using batch file?
...e "C:\My Folder\" you may get a nasty surprise. I recommend reading that SS64 page very carefully. For a full trip down the "what is an escape character in CMD" rabbit hole, see Escaping Double Quotes in Batch Script.
– jrh
Mar 12 '19 at 19:31
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Virtualbox “port forward” from Guest to Host [closed]
...g:
# ping 192.168.5.1
PING 192.168.5.1 (192.168.5.1) 56(84) bytes of data.
64 bytes from 192.168.5.1: icmp_seq=1 ttl=128 time=2.30 ms
...
Firewall issues?
@Stranger suggested that in some cases it would be necessary to open used port (8000 or whichever is used) in firewall like this (example for uf...
The way to check a HDFS directory's size?
...ath.
The -h option will format file sizes in a human-readable fashion (e.g 64.0m instead of 67108864)
The -v option will display the names of columns as a header line.
The -x option will exclude snapshots from the result calculation. Without the -x option (default), the result is always calculated f...