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How to create full compressed tar file using Python?
...e archive will contain service "." or "/" folder which is not a problem usually, but sometimes it can be an issue if you later process this archive programmatically. It seems the only real clean way is to do os.walk and add files individually
– The Godfather
Fe...
How do you use the ellipsis slicing syntax in Python?
... item):
... if item is Ellipsis:
... return "Returning all items"
... else:
... return "return %r items" % item
...
>>> x = TestEllipsis()
>>> print x[2]
return 2 items
>>> print x[...]
Returning all items
Of course, there is the ...
Typescript: difference between String and string
...e of String. You probably never need to use it, string literals are universally accepted as being the correct way to initialise a string. In JavaScript, it is also considered better to use object literals and array literals too:
var arr = []; // not var arr = new Array();
var obj = {}; // not var o...
How to compare only date components from DateTime in EF?
I am having two date values, one already stored in the database and the other selected by the user using DatePicker. The use case is to search for a particular date from the database.
...
Create Django model or update if exists
... update the user object.
Sample use is as follows:
# In both cases, the call will get a person object with matching
# identifier or create one if none exists; if a person is created,
# it will be created with name equal to the value in `name`.
# In this case, if the Person already exists, its exi...
What is the difference between SessionState and ViewState?
... saved on the server, ViewState is saved in the page.
Session state is usually cleared after a period of inactivity from the user (no request happened containing the session id in the request cookies).
The view state is posted on subsequent post back in a hidden field.
...
Why dict.get(key) instead of dict[key]?
...
It allows you to provide a default value if the key is missing:
dictionary.get("bogus", default_value)
returns default_value (whatever you choose it to be), whereas
dictionary["bogus"]
would raise a KeyError.
If omitted...
What is process.env.PORT in Node.js?
...t may independently configure the process.env.PORT variable for you; after all, your script runs in their environment.
Amazon's Elastic Beanstalk does this. If you try to set a static port value like 3000 instead of process.env.PORT || 3000 where 3000 is your static setting, then your application w...
Spring RestTemplate - how to enable full debugging/logging of requests/responses?
...e been using the Spring RestTemplate for a while and I consistently hit a wall when I'am trying to debug it's requests and responses. I'm basically looking to see the same things as I see when I use curl with the "verbose" option turned on. For example :
...
How to make a div grow in height while having floats inside
...os hinc posthac, sitientis piros Afros. Qui ipsorum lingua Celtae, nostra Galli appellantur. Petierunt uti sibi concilium totius Galliae in diem certam indicere. Ambitioni dedisse scripsisse iudicaretur.</div>
<div class="float">Mercedem aut nummos unde unde extricat, amaras. A commun...