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Best practice for Python assert
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The four purposes of assert
Assume you work on 200,000 lines of code with four colleagues Alice, Bernd, Carl, and Daphne.
They call your code, you call their code.
Then assert has four roles:
Inform Alice, Bernd, Carl, and Daphne what your code expects.
Assume you have...
What is the appropriate HTTP status code response for a general unsuccessful request (not an error)?
...make is to return a status
code that reflects success (status codes from 200 to 206 and from 300
to 307) but include a message body that describes an error condition.
Doing this prevents HTTP-aware software from detecting errors. For
example, a cache will store it as successful response and ...
NOT IN vs NOT EXISTS
...ever. This article shows another one for a query against the AdventureWorks2008 database.
For the NOT IN on a NOT NULL column or the NOT EXISTS against either a nullable or non nullable column it gives the following plan.
When the column changes to NULL-able the NOT IN plan now looks like
It ...
What ReSharper 4+ live templates for C# do you use? [closed]
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How did that transition from C++ to C# treat you?
– Ty.
Oct 1 '09 at 13:58
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How to iterate over associative arrays in Bash
...le with arr numeric"
echo "-------------------------------------"
arr=( 10 200 3000 40000 500000 60 700 8000 90000 100000 )
echo -e "\n Elements in arr are:\n ${arr[0]} \n ${arr[1]} \n ${arr[2]} \n ${arr[3]} \n ${arr[4]} \n ${arr[5]} \n ${arr[6]} \n ${arr[7]} \n ${arr[8]} \n ${arr[9]}"
echo -e " \...
What is the best way to use a HashMap in C++?
... with unordered_map).
The unordered_map container was introduced with the C++11 standard revision. Thus, depending on your compiler, you have to enable C++11 features (e.g. when using GCC 4.8 you have to add -std=c++11 to the CXXFLAGS).
Even before the C++11 release GCC supported unordered_map - i...
Assignment inside lambda expression in Python
...
+200
Normal assignment (=) is not possible inside a lambda expression, although it is possible to perform various tricks with setattr and...
How to add images in select list?
...r (specially compared to the other solutions):
.select-sim {
width:200px;
height:22px;
line-height:22px;
vertical-align:middle;
position:relative;
background:white;
border:1px solid #ccc;
overflow:hidden;
}
.select-sim::after {
content:"▼";
font-size:0.5em;
...
Gmail's new image caching is breaking image links in newsletter
...jpeg
File extension and content-type header must match
Status-code must be 200 instead of 403, 500 etc
IMPORTANT NOTE
Try to repeat the whole process for every run of php-email script. because every time GoogleImageProxy will cache your images and you'll have to repeat the same process for every ...
How do I find out with jQuery if an element is being animated?
...
200
if( $(elem).is(':animated') ) {...}
More info: https://api.jquery.com/animated-selector/
...