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Create or write/append in text file
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does this create a text file if it does not exist?
– Jerahmeel Acebuche
Jul 26 '14 at 15:19
5
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Versioning SQL Server database
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This is one of the "hard problems" surrounding development. As far as I know there are no perfect solutions.
If you only need to store the database structure and not the data you can export the database as SQL queries. (in Enterprise Manager: Right click on database -> Generate SQL script. I ...
Python Dictionary Comprehension
...n't use them to add keys to an existing dictionary. Also, you have to specify the keys and values, although of course you can specify a dummy value if you like.
>>> d = {n: n**2 for n in range(5)}
>>> print d
{0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
If you want to set them all to True:
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Algorithm to detect overlapping periods [duplicate]
I've to detect if two time periods are overlapping.
Every period has a start date and an end date.
I need to detect if my first time period (A) is overlapping with another one(B/C).
In my case, if the start of B is equal to the end of A, they are not overlapping(the inverse too)
I found th...
Why does viewWillAppear not get called when an app comes back from the background?
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In swift 4.2 the notification name is now UIApplication.willEnterForegroundNotification and UIApplication.didBecomeActiveNotification
– hordurh
Oct 15 '18 at 15:08
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SSL Error: CERT_UNTRUSTED while using npm command
... suggested me to install the above version, it was installed properly, but now npm is not working. I am giving you link to my previous question stackoverflow.com/questions/21850871/…
– Sudip7
Feb 19 '14 at 12:07
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Iterating each character in a string using Python
...open(filename) as f:
for line in f:
# do something with line
If that seems like magic, well it kinda is, but the idea behind it is really simple.
There's a simple iterator protocol that can be applied to any kind of object to make the for loop work on it.
Simply implement an iterat...
How to generate JAXB classes from XSD?
...eeds. A standard format allows reader applications to display feeds from different sources. In this example we will process the Atom feed for this blog.
Demo
In this example we will use JAXB to convert the Atom XML feed corresponding to this blog to objects and then back to XML.
import java.io....
How do you get the list of targets in a makefile?
...t the makefile in the current directory; respects makefiles explicitly specified with -f <file>
excludes hidden targets - by convention, these are targets whose name starts neither with a letter nor a digit
makes do with a single phony target
prefixes the command with @ to prevent it from bein...
How do I import the Django DoesNotExist exception?
I'm trying to create a UnitTest to verify that an object has been deleted.
6 Answers
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