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demystify Flask app.secret_key
If app.secret_key isn't set, Flask will not allow you to set or access the session dictionary.
2 Answers
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Find most frequent value in SQL column
...ory Klein
36.8k2424 gold badges158158 silver badges216216 bronze badges
answered Sep 2 '12 at 11:34
Mihai StancuMihai Stancu
14.3k...
How can I configure the font size for the tree item in the package explorer in Eclipse?
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Does your Eclipse .ini file contain a reference to 'smallFonts?' On Mac you might see something like...
-Dorg.eclipse.swt.internal.carbon.smallFonts
If you remove this line, you'll see the font size in various views fatten up.
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How to delete items from a dictionary while iterating over it?
...--------------------------------------------------
Traceback (most recent call last):
File "<ipython console>", line 1, in <module>
RuntimeError: dictionary changed size during iteration
As stated in delnan's answer, deleting entries causes problems when the iterator tries to move on...
Getting the closest string match
...hing problem and its usefulness in solving a variety of problems which can allow us to automate tasks which previously required tedious user involvement.
Introduction
The need to do fuzzy string matching originally came about while developing the Gulf of Mexico Validator tool. What existed was a ...
How to check that an object is empty in PHP?
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empty doesn't actually check if an array is empty, empty($var) equivalent to (!isset($var) || !$var). You can replace your empty($arr)s with !$arr since array() == FALSE
– Timothy Zorn
Aug 20 '15 at 18:35...
Save ArrayList to SharedPreferences
...Set the values
Set<String> set = new HashSet<String>();
set.addAll(listOfExistingScores);
scoreEditor.putStringSet("key", set);
scoreEditor.commit();
You can also serialize your ArrayList and then save/read it to/from SharedPreferences. Below is the solution:
EDIT:
Ok, below is the sol...
Generate random numbers with a given (numerical) distribution
...> choices(population, weights)
4
The optional keyword-only argument k allows one to request more than one sample at once. This is valuable because there's some preparatory work that random.choices has to do every time it's called, prior to generating any samples; by generating many samples at o...
If threads share the same PID, how can they be identified?
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answered Feb 16 '12 at 5:43
paxdiablopaxdiablo
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Lombok is not generating getter and setter
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When starting with a fresh eclipse installation you, in fact, need to "install" Lombok before being able to use it.
Go where you Lombok jar is (e.g. (e.g. you can find in ~/.m2/repository/org/projectlombok/lombok/1.16.10/lombok-1.16.10.jar), run it (Example: jav...