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Why does one often see “null != variable” instead of “variable != null” in C#?
...e comparing two Boolean values (which is rare, IME) you can write the more readable code, as an "if" statement requires a Boolean expression to start with, and the type of "x=5" is Int32, not Boolean.
I suggest that if you see this in your colleagues' code, you educate them in the ways of modern la...
Copying a HashMap in Java
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or if it is already created, use myObjectListB.addAll(myObjectListA)
– Kevin Welker
Apr 9 '12 at 20:36
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AngularJS routing without the hash '#'
...shstate/server-side rendering html case, the Twitter one is pretty nice to read engineering.twitter.com/2012/12/… It explains how they managed to do it so it's backward compatible with old browser and with search engines. I know it's not angularjs specific but you can reproduce the flow.
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What is the purpose of backbone.js?
...Underscore utility library
backbone.js code is well documented and a great read. Opened my eyes to a number of JS code techniques.
Cons:
Took me a while to wrap my head around it and figure out how to apply it to my code, but I'm a Javascript newbie.
Here is a set of great tutorials on using B...
What are the differences between BDD frameworks for Java? [closed]
...ery pretty report output
Nice plugin framework
Poorly documented. I had to read the source to figure it out (luckily its extremely good quality).
Fixtures seemed likely to end up tightly coupled to the html.
EasyB
Very shallow learning curve (even for non-Groovy Developers)
Extremely powerful DBU...
JavaScript isset() equivalent
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Age old thread, but there are new ways to run an equivalent isset().
ESNext (Stage 4 December 2019)
Two new syntax allow us to vastly simplify the use of isset() functionality:
Optional Chaining(?.)
Nullish Coalescing Operator(??)
Pl...
Android Studio vs Eclipse + ADT Plugin? [closed]
...gins that you can use with the IDE. If you're using the Ultimate edition already and don't want to use two IDE's simultaneously, there is no reason to switch over to Android Studio (except bleeding-edge features).
Android Studio does ship with the C/C++ Plugin now, but AFAIK, there is still no supp...
What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr
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Why open a file for read/write access if you only need to read from it, for example?
What if multiple processes needed to read from the same file?
share
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Convert string in base64 to image and save on filesystem in Python
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image_output.seek(0) # seek beginning of the image string
# image_output.read() # Do as you wish with it!
In django, you can save it as an uploaded file to save to a model:
from django.core.files.uploadedfile import SimpleUploadedFile
suf = SimpleUploadedFile('uploaded_file.png', image_output....
How do I style a dropdown with only CSS?
...Explorer 9 (and later) and Firefox 34 (and later) is necessary then keep reading...
Solution #2 Truncate the select element to hide the default arrow (demo)
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(Read more here)
Wrap the select element in a div with a fixed width and overflow:hidden.
Then give the select element a width of about 20...