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demystify Flask app.secret_key
...gt;> import os
>>> os.urandom(24)
'\xfd{H\xe5<\x95\xf9\xe3\x96.5\xd1\x01O<!\xd5\xa2\xa0\x9fR"\xa1\xa8'
You copy the key and paste it in your configuration file as the value of SECRET_KEY.
Short of using a key that was randomly generated, you could use a complex assortment of wor...
How to convert a number to string and vice versa in C++
... precision for floating point types. For instance double f = 23.4323897462387526; std::string f_str = std::to_string(f); returns a string of 23.432390. This makes it impossible to round trip floating point values using these functions.
– fun4jimmy
Nov 26 '14 at...
How to find list of possible words from a letter matrix [Boggle Solver]
... 6% =========
64-79 18831 1% ==
80-95 19271 1% ==
96-111 238398 22% ==============================
112-127 3007 <1%
128-143 236727 21% ==============================
More Mumblings on that Regex Optimization
The regex optimization I use is us...
What are the differences between local branch, local tracking branch, remote branch and remote track
... tracking branches using git branch -vv:
$ git branch -vv
master b31f87c85 [origin/master] Example commit message
new-feature b760e04ed Another example commit message
From this command's output, you can see that the local branch master is tracking the remote-tracking branch origin/master, an...
Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
...
96
Swift example of a variable height UITableViewCell
Updated for Swift 3
William Hu's Swift ans...
Understanding REST: Verbs, error codes, and authentication
...tion/xml+usersearchcriteria"/>
<link href="http://example.com/AW163FH87SGV" rel="search" type="application/xml+usersearchcriteria"/>
So, focus on your resources. Focus on their state transitions in the application and how that's best achieved.
...
How to select rows from a DataFrame based on column values?
...A'].values == 7
pd.DataFrame(d1.values[mask], d1.index[mask], d1.columns)
87 µs ± 5.12 µs per loop (mean ± std. dev. of 7 runs, 10000 loops each)
We cut the time in half.
mask alternative 3
@unutbu also shows us how to use pd.Series.isin to account for each element of df['A'] being in a se...
Hidden Features of MySQL
...l
UDF functions
http://www.koders.com/cpp/fid10666379322B54AD41AEB0E4100D87C8CDDF1D8C.aspx
http://souptonuts.sourceforge.net/readme_mysql.htm
DataTypes:
http://dev.mysql.com/doc/refman/5.1/en/storage-requirements.html
http://www.informit.com/articles/article.aspx?p=1238838&seqNum=2
htt...
User recognition without cookies or local storage
... [Battery Status API] => -1
)
[score] => 0.74157303370787
[diff] => 0.1685393258427
[base] => 8.9
)
If Debug = true you would be able to see Input (Sensor & Desired), Initial Weights, Output (Sensor, Sum, Network), Error, Correction and Final Weights.
+----+-...
How can I sort arrays and data in PHP?
... Might be a bit of a big edit: gist.github.com/Rizier123/24a6248758b53245a63e839d8e08a32b but if you think it is an improvement and I included everything essential I can apply it.
– Rizier123
Jun 2 '16 at 16:30
...