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How to understand nil vs. empty vs. blank in Ruby
...dly looking for a clear definition of the differences of nil? , blank? , and empty? in Ruby on Rails. Here's the closest I've come:
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Running Python on Windows for Node.js dependencies
...'t find Python executable "python", you can set the PYTHON env variable.
And in your comment, you say you did this:
set PYTHONPATH=%PYTHONPATH%;C:\My_python_lib
That's nice, but that doesn't set the PYTHON variable, it sets the PYTHONPATH variable.
Meanwhile, just using the set command only ...
How exactly do Django content types work?
...time grasping the concept of Django's content types. It feels very hackish and, ultimately, against how Python tends to do things. That being said, if I'm going to use Django then I have to work within the confines of the framework.
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API to automatically upload apk to Google Play? [closed]
...t allows you to upload to any channel (ie. alpha, beta...) or update title and description and more.
From the docs:
Uploading new versions of an app Releasing apps, by assigning APKs to various Tracks (alpha, beta, staged rollout, or production)
Creating and modifying Google Play Store li...
HTTPS connections over proxy servers
...SL (The S in HTTPS) guarantees that there are no eavesdroppers between you and the server you are contacting, i.e. no proxies. Normally, you use CONNECT to open up a TCP connection through the proxy. In this case, the proxy will not be able to cache, read, or modify any requests/responses, and there...
Clicking the back button twice to exit an activity
I've noticed this pattern in a lot of Android apps and games recently: when clicking the back button to "exit" the application, a Toast comes up with a message similar to "Please click BACK again to exit".
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Good open source django project for learning [closed]
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django-basic-apps is also a very good start to learn django and reusable apps. These apps are simple enough and code is well written.
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htmlentities() vs. htmlspecialchars()
What are the differences between htmlspecialchars() and htmlentities() . When should I use one or the other?
12 Answers
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How do you do a deep copy of an object in .NET? [duplicate]
...nto serialization graph, since BinaryFormatter uses fields via reflection, and events are just fields of delegate types plus add/remove/invoke methods. You can use [field: NonSerialized] on event to avoid this.
– Ilya Ryzhenkov
Sep 24 '08 at 20:16
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What's the “average” requests per second for a production web application?
...mory database...still need to test with live DB. DB may be our bottleneck and bring us back down unless we switch to nosql).
– Dean Hiller
Jun 6 at 0:28
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