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How to use setArguments() and getArguments() methods in Fragments?
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android.os.Bundle doesn't have setString. Do you mean putString() ?
– Stealth Rabbi
Nov 11 '19 at 15:37
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How do I use vim registers?
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In X (Linux, possibly also OS-X), * is the "mouse highlight" clipboard, and + is the Ctrl-XCV clipboard.
– dotancohen
Jun 13 '13 at 5:49
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Can't create handler inside thread that has not called Looper.prepare()
...e calling it from a worker thread. You need to call Toast.makeText() (and most other functions dealing with the UI) from within the main thread. You could use a handler, for example.
Look up Communicating with the UI Thread in the documentation. In a nutshell:
// Set this up in the UI thread.
mHa...
setting an environment variable in virtualenv
... highly recommend doing so), you can define different hooks (preactivate, postactivate, predeactivate, postdeactivate) using the scripts with the same names in $VIRTUAL_ENV/bin/. You need the postactivate hook.
$ workon myvenv
$ cat $VIRTUAL_ENV/bin/postactivate
#!/bin/bash
# This hook is run after...
Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
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I had this problem with a Crowduino, running the Arduino IDE on OS X. The solution for me was to switch on verbose output during upload (in the Arduino IDE preferences pane).
Then, when uploading, you can see AVRDUDE sending three packets avrdude: Send: 0 [30] [20] (with corresponding...
C# using streams
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@user420667. good question. In both the AudioStream and TemperatureStream cases, they most likely would be BinaryStreams to the driver that is associated with the device. Or, you could create a CustomStream that's built specifically for the interface.
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Fast check for NaN in NumPy
...e of NaNs than in their absence. It also seems to get slower as NaNs get closer to the start of the array. On the other hand, sum's throughput seems constant regardless of whether there are NaNs and where they're located:
In [40]: x = np.random.rand(100000)
In [41]: %timeit np.isnan(np.min(x))
100...
SVN encrypted password store
...to achieve non-repudiation (other users could use your hash as you) due to OS file permissions. However, most companies have subversion setup using their domain password or some form of SSO password. By encrypting the password, you would at least mask someone from accessing a users other accounts...
Force add despite the .gitignore file
... make sure it really works and it does. Can you describe your environemnt (OS, git version ...)? This is what I've basically done: echo "/foo" >> .gitignore; echo "bar" > foo; git add foo # should throw an error; git add -p foo # works (cannot paste newlines in comment, execute the commands...
'sudo gem install' or 'gem install' and gem locations
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Contrary to all the other posts I suggest NOT using sudo when installing gems.
Instead I recommend you install RVM and start a happy life with portable gem homes and different version of Ruby all living under one roof.
For the uninitiated, from the d...