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Why does running the Flask dev server run itself twice?
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I had the same issue, and I solved it by setting app.debug to False. Setting it to True was causing my __name__ == "__main__" to be called twice.
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Call a function with argument list in python
...nts of a function, you can refer to a tuple of arguments, which is denoted by its name, preceded by an asterisk in the parentheses after the function name:
*args
For example you can define a function that would take any number of arguments:
def testFunc(*args):
print args # pr...
What is INSTALL_PARSE_FAILED_NO_CERTIFICATES error?
...s trying to change my default/main/startup (whatever you call it) activity by editing the androidmanifest.xml file. All i did was change the android:name property. however, this completely broke the entire app. when I try to install it fails and reads.
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PDO's query vs execute
...ions:
If you can't reuse a prepared statement because it's not supported by the Microsoft ODBC driver.
If you're not worried about sanitizing input and simple escaping is acceptable. This may be the case because binding certain datatypes isn't supported by the Microsoft ODBC driver.
PDO::lastInser...
What is the maximum length of data I can put in a BLOB column in MySQL?
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A BLOB can be 65535 bytes (64 KB) maximum.
If you need more consider using:
a MEDIUMBLOB for 16777215 bytes (16 MB)
a LONGBLOB for 4294967295 bytes (4 GB).
See Storage Requirements for String Types for more info.
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PDO closing connection
...that PDO object. To
close the connection, you need to destroy the object by ensuring that
all remaining references to it are deleted--you do this by assigning
NULL to the variable that holds the object. If you don't do this
explicitly, PHP will automatically close the connection when your
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Does running git init twice initialize a repository or reinitialize an existing repo?
...mewhere else, the existing .git directory will be moved there and replaced by a link.
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How to remove constraints from my MySQL table?
...ing the foreign key in the first place, then it will not be removed simply by dropping the foreign key.
– Rich Harding
Nov 21 '17 at 21:33
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Confused about __str__ on list in Python [duplicate]
... but in this case eval(repr(obj)) won't return the actual node. The answer by @tapicki is a bit closer to truth but lacks the essential part asked by OP. Whoever reads this answer might want to check out quora.com/What-does-repr-method-mean
– user3081519
Apr 18...
How to step through Python code to help debug issues?
...lled pdb just for doing that!
You can launch a Python program through pdb by using pdb myscript.py or python -m pdb myscript.py.
There are a few commands you can then issue, which are documented on the pdb page.
Some useful ones to remember are:
b: set a breakpoint
c: continue debugging until y...