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Why can I change value of a constant in javascript
...hat this is not a bug, but it should work this way? Because I thought that idea of the constant is that it can not be changed. Basically a programmer has trust that no matter what will happen, nothing can change the value inside of my constant.
– Salvador Dali
...
Understanding the Rails Authenticity Token
... authenticity_token, stores this token in the session, and places it in a hidden field in the form. When the user submits the form, Rails looks for the authenticity_token, compares it to the one stored in the session, and if they match the request is allowed to continue.
Why it happens
Since the a...
How to correct indentation in IntelliJ
...
Code → Reformat Code... (default Ctrl + Alt + L) for the whole file or Code → Auto-Indent Lines (default Ctrl + Alt + I) for the current line or selection.
You can customise the settings for how code is auto-formatted under File → Settings → Editor → Code Style.
To ensure com...
Manually raising (throwing) an exception in Python
...tion')
>>> demo_no_catch()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 3, in demo_no_catch
Exception: general exceptions not caught by specific handling
Best Practices: raise statement
Instead, use the most specific ...
deciding among subprocess, multiprocessing, and thread in Python?
...threads" of the program are independent and write their output to separate files. I don't need the threads to exchange information but it is imperative that I know when the threads finish since some steps of my pipeline depend on their output.
...
What Automatic Resource Management alternatives exist for Scala?
...:), Example:
val lines: Try[Seq[String]] =
Using(new BufferedReader(new FileReader("file.txt"))) { reader =>
Iterator.unfold(())(_ => Option(reader.readLine()).map(_ -> ())).toList
}
or using Using.resource avoid Try
val lines: Seq[String] =
Using.resource(new BufferedReader(n...
Reading a key from the Web.Config using ConfigurationManager
I am trying to read the keys from the Web.config file in a different layer than the web layer (Same solution)
10 Answers
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How do I increase the cell width of the Jupyter/ipython notebook in my browser?
...r luckily someone suggested a working solution for new IPythons:
Create a file ~/.ipython/profile_default/static/custom/custom.css (iPython) or ~/.jupyter/custom/custom.css (Jupyter) with content
.container { width:100% !important; }
Then restart iPython/Jupyter notebooks. Note that this will af...
Cookie blocked/not saved in IFRAME in Internet Explorer
...cy will be blocked by IE's default settings)
The Editor exports to a .p3p file, which is an XML representation of the above policy. Also, it can export a "compact version" of this policy.
Link to the policy
Then a Policy Reference file (http://example.com/w3c/p3p.xml) was needed (an index of priv...
PHP code to convert a MySQL query to CSV [closed]
...
SELECT * INTO OUTFILE "c:/mydata.csv"
FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"'
LINES TERMINATED BY "\n"
FROM my_table;
(the documentation for this is here: http://dev.mysql.com/doc/refman/5.0/en/select.html)
or:
$select = "SELE...