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How to copy files from 'assets' folder to sdcard?
...e void copyFile(InputStream in, OutputStream out) throws IOException {
byte[] buffer = new byte[1024];
int read;
while((read = in.read(buffer)) != -1){
out.write(buffer, 0, read);
}
}
Reference : Move file using Java
...
Why are empty catch blocks a bad idea? [closed]
...onse whatsoever. On top of that, empty catch blocks are a common tool used by people who use the exception engine for error checking that they should be doing preemptively.
To say that it's always bad is untrue...that's true of very little. There can be circumstances where either you don't care tha...
Visual Studio or Resharper functionality for placement of using directives
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How does this print “hello world”?
...) only space goes back to 0, and after this, the code turns the 6th bit on by adding 32₁₀ = 100000₂
to the previous result, ((l & 31 | 64) % 95) + 32) transforming the 5-bit value into a valid ascii character
isolates 5 bits --+ +---- takes 'space' (and only 'space') back to 0
...
Test if executable exists in Python?
... Thanks Jay, I accept your answer, though for me it answers my question by the negative. No such function exists in the libs, I just have to write it (I admit my formulation was not clear enough in the fact that I know what which does).
– Piotr Lesnicki
Dec ...
Initialize a byte array to a certain value, other than the default null? [duplicate]
...
For small arrays use array initialisation syntax:
var sevenItems = new byte[] { 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
For larger arrays use a standard for loop. This is the most readable and efficient way to do it:
var sevenThousandItems = new byte[7000];
for (int i = 0; i < sevenTho...
Express.js: how to get remote client address
...s also referred to in the docs for the express-rate-limit node package and by setting app.set('trust proxy', true); and referencing req.ip i was able to get all the desired and expected behaviour for my site which uses cloudflare as a proxy.
– user1063287
Sep ...
Best way to test SQL queries [closed]
...pers" around them, just as you do in procedural code.
How do you do this? By making each significant thing a query does into a view. Then you compose more complex queries out of these simpler views, just as you compose more complex functions out of more primitive functions.
And the great thing is,...
HTML colspan in CSS
...the anti-table dogma (which I have bought into) is too strict. I do stand by my answer only insofar as I still think colspan is the right tool for the job. My answer was 75% right, and yours is 100% right. You should come back to SO.
– mwcz
Jan 17 '12 at 4:5...
Renaming columns in pandas
...x x x x
This returns a copy, but you can modify the DataFrame in-place by setting inplace=True (this is the default behaviour for versions <=0.24 but is likely to change in the future).
You can also assign headers directly:
df.columns = ['V', 'W', 'X', 'Y', 'Z']
df
V W X Y Z
0 x x ...