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ImportError: No module named requests
...requests (or pip3 install requests for python3) if you have pip installed and Pip.exe added to the Path Environment Variable. If pip is installed but not in your path you can use python -m pip install requests (or python3 -m pip install requests for python3)
Alternatively from a cmd prompt, use &g...
How to clear an ImageView in Android?
...ike, i didn't).
I think the best solution is:
viewToUse.setImageResource(android.R.color.transparent);
I like this solution the most cause there isn't anything tricky in reverting the state and it's also clear what it is doing.
...
Getting only Month and Year from SQL DATE
...your_table>
This gets the number of whole months from a base date (0) and then adds them to that base date. Thus rounding Down to the month in which the date is in.
NOTE: In SQL Server 2008, You will still have the TIME attached as 00:00:00.000
This is not exactly the same as "removing" any n...
C++ performance vs. Java/C#
My understanding is that C/C++ produces native code to run on a particular machine architecture. Conversely, languages like Java and C# run on top of a virtual machine which abstracts away the native architecture. Logically it would seem impossible for Java or C# to match the speed of C++ because ...
Turn a string into a valid filename?
...ramework for how they create a "slug" from arbitrary text. A slug is URL- and filename- friendly.
The Django text utils define a function, slugify(), that's probably the gold standard for this kind of thing. Essentially, their code is the following.
def slugify(value):
"""
Normalizes str...
Timing a command's execution in PowerShell
Is there a simple way to time the execution of a command in PowerShell, like the 'time' command in Linux?
I came up with this:
...
When to use an object instance variable versus passing an argument to the method
...To some degree, when to use instance variables, how to define their scope, and when to use local variables is subjective, but there are a couple of rules of thumb you can follow whenever creating your classes.
Instance variables are typically considered to be attributes of a class. Think of these ...
Performance - Date.now() vs Date.getTime()
.../date it's been set to). That is, if you do this:
var now = new Date();
and then wait a while, a subsequent call to now.getTime() will tell the time at the point the variable was set.
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What is the best way to unit test Objective-C code?
...XCTest, which is similar to OCUnit, an Objective-C unit testing framework, and has full support for running XCTest-based unit tests as part of your project's build process. Xcode's unit testing support is described in the Xcode Overview: Using Unit Tests.
Back in the Xcode 2 days, I wrote a series...
Setting up two different static directories in node.js Express framework
... set up two different directories to serve static files. Let's say /public and /mnt
4 Answers
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