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Why does the use of 'new' cause memory leaks?
I learned C# first, and now I'm starting with C++. As I understand, operator new in C++ is not similar to the one in C#.
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Batch script loop
...-200 times, and so far my research indicates that I would either have to copy/paste 100 copies of this command, OR use a for loop, but the for loop expects a list of items, hence I would need 200 files to operate on, or a list of 200 items, defeating the point.
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How to compare versions in Ruby?
How to write a piece of code to compare some versions strings and get the newest?
8 Answers
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How do I pause my shell script for a second before continuing?
I have only found how to wait for user input. However, I only want to pause so that my while true doesn't crash my computer.
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浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
浅谈TCP优化很多人常常对TCP优化有一种雾里看花的感觉，实际上只要理解了TCP的运行方式就能掀开它的神秘面纱。Ilya Grigorik在「High Performance B...很多人常常对TCP优化有一种雾里看花的感觉，实际上只要理解了TCP的运行方式就能...
JSON to pandas DataFrame
... rely on urllib2:
import requests
from pandas import json_normalize
url = 'https://www.energidataservice.dk/proxy/api/datastore_search?resource_id=nordpoolmarket&limit=5'
response = requests.get(url)
dictr = response.json()
recs = dictr['result']['records']
df = json_normalize(recs)
print(df)
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Bash/sh - difference between && and ;
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Are members of a C++ struct initialized to 0 by default?
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They are not null if you don't initialize the struct.
Snapshot s; // receives no initialization
Snapshot s = {}; // value initializes all members
The second will make all members zero, the first leaves them at unspecified values. Note that it is recursive:
struct Parent { Snapsh...
How to get Ruby / Homebrew / RVM to work on Yosemite?
...tall command line tools for Xcode 6
Reinstall brew:
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Once brew is installed, rvm will work:
rvm install ruby
Worked for me, yahoo!
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List files with certain extensions with ls and grep
I just want to get the files from the current dir and only output .mp4 .mp3 .exe files nothing else.
So I thought I could just do this:
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