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SQLite in Android How to update a specific row
I've been trying to update a specific row for a while now, and it seems that there are two ways to do this. From what I've read and tried, you can just use the:
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Linux command: How to 'find' only text files?
...grep -Iq . {} \; -print
The -I option to grep tells it to immediately ignore binary files and the . option along with the -q will make it immediately match text files so it goes very fast. You can change the -print to a -print0 for piping into an xargs -0 or something if you are concerned about sp...
Multiple linear regression in Python
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sklearn.linear_model.LinearRegression will do it:
from sklearn import linear_model
clf = linear_model.LinearRegression()
clf.fit([[getattr(t, 'x%d' % i) for i in range(1, 8)] for t in texts],
[t.y for t in texts])
Then clf.coef_ will have the regression coefficients.
sklearn.line...
How to fast-forward a branch to head?
I switched to master after developing on a branch for a long time. The log shows:
11 Answers
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How to set the authorization header using curl
How do I pass authorization header using cURL? ( executable in /usr/bin/curl ).
8 Answers
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Can't install Ruby under Lion with RVM – GCC issues
...“Edit 3” solution first.
Ruby 1.9.3-p125 and later have official support for clang, so if you are installing such a version you should not need GCC. If you’re installing an older version of Ruby, read on.
To compile Ruby with GCC, you need a non-LLVM version of GCC, which is no longer inclu...
What is the bit size of long on 64-bit Windows?
... Apple's official site) say that long are indeed 64 bits when compiling for a 64-bit CPU. I looked up what it was on 64-bit Windows and found
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How do I assign an alias to a function name in C++?
It's easy to create a new name for a type, a variable or a namespace. But how do I assign a new name to a function? For example, I want to use the name holler for printf . #define is obvious... any other way?
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Regex - how to match everything except a particular pattern
...implementation with this feature (see Comparison of Regular Expression Flavors), you probably have to build a regular expression with the basic features on your own.
A compatible regular expression with basic syntax only would be:
[0-8]\d\d|\d[0-8]\d|\d\d[0-8]
This does also match any three digi...
Close virtual keyboard on button press
...YS);
I put this right after the onClick(View v) event.
You need to import android.view.inputmethod.InputMethodManager;
The keyboard hides when you click the button.
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