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How to best display in Terminal a MySQL SELECT returning too many fields?
I'm using PuTTY to run:
12 Answers
12
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Does pandas iterrows have performance issues?
...let's skip that for now.
1) Vectorization is ALWAYS, ALWAYS the first and best choice. However, there is a small set of cases (usually involving a recurrence) which cannot be vectorized in obvious ways. Furthermore, on a smallish DataFrame, it may be faster to use other methods.
3) apply usually c...
What is the difference between Builder Design pattern and Factory Design pattern?
...pecific type over several steps. It holds the needed state for the target item at each intermediate step. Think what StringBuilder goes through to produce a final string.
The factory design pattern describes an object that knows how to create several different but related kinds of object in one st...
How to calculate a logistic sigmoid function in Python?
...math.exp(-x))
....:
In [6]: %timeit -r 1 sigmoid(0.458)
1000000 loops, best of 1: 371 ns per loop
In [7]: %timeit -r 1 logistic.cdf(0.458)
10000 loops, best of 1: 72.2 µs per loop
In [8]: %timeit -r 1 expit(0.458)
100000 loops, best of 1: 2.98 µs per loop
As expected logistic.cdf is (much...
What's the Best Way to Shuffle an NSMutableArray?
If you have an NSMutableArray , how do you shuffle the elements randomly?
12 Answers
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In which scenario do I use a particular STL container?
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However .. be careful not to delete / insert items when iterating ... use const_iterator as far as possible to avoid this ..
– vrdhn
Mar 20 '12 at 16:13
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YouTube API to fetch all videos on a channel
...s in that playlist:
https://developers.google.com/youtube/v3/docs/playlistItems/list#try-it
Just drop in the playlistId!
GET https://www.googleapis.com/youtube/v3/playlistItems?part=snippet%2CcontentDetails&maxResults=50&playlistId=UUpRmvjdu3ixew5ahydZ67uA&key={YOUR_API_KEY}
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ByteArray 扩展 - 字节数组处理工具 · App Inventor 2 中文网
...px 15px rgba(0, 0, 0, .1); display: flex; flex-direction: column; align-items: center; } .feedback-pop:hover, .feedback-pop .feedback-img:hover { color: #3773f5 } .feedback-pop .feedback-img { display: inline-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/imag...
TCPServer TCP服务器扩展：在Android设备上创建TCP服务器 · App Inventor 2 中文网
...px 15px rgba(0, 0, 0, .1); display: flex; flex-direction: column; align-items: center; } .feedback-pop:hover, .feedback-pop .feedback-img:hover { color: #3773f5 } .feedback-pop .feedback-img { display: inline-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/imag...
Objective-C Runtime: best way to check if class conforms to protocol?
...ttps%3a%2f%2fstackoverflow.com%2fquestions%2f3436257%2fobjective-c-runtime-best-way-to-check-if-class-conforms-to-protocol%23new-answer', 'question_page');
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