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Unix command to find lines common in two files
I'm sure I once found a unix command which could print the common lines from two or more files, does anyone know its name? It was much simpler than diff .
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Using logging in multiple modules
...program code
if __name__ == '__main__':
main()
See here for logging from multiple modules, and here for logging configuration for code which will be used as a library module by other code.
Update: When calling fileConfig(), you may want to specify disable_existing_loggers=False if you're usi...
Loop inside React JSX
...;/tbody>
Re: transpiling with Babel, its caveats page says that Array.from is required for spread, but at present (v5.8.23) that does not seem to be the case when spreading an actual Array. I have a documentation issue open to clarify that. But use at your own risk or polyfill.
Vanilla ES5
Ar...
Sort an Array by keys based on another Array?
...ou give it (in the proper order) and overwriting/adding the keys with data from your actual array:
$customer['address'] = '123 fake st';
$customer['name'] = 'Tim';
$customer['dob'] = '12/08/1986';
$customer['dontSortMe'] = 'this value doesnt need to be sorted';
$properOrderedArray = array_merge(ar...
What is the best way to test for an empty string in Go?
...h2_bundle.go (line 2702). It is not automatically shown as it is generated from golang.org/x/net/http2, I believe.
– ANisus
May 15 '17 at 18:58
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Why hasn't functional programming taken over yet?
... programming (languages), tried out Haskell as well as written one myself. From what I've seen, functional programming has several advantages over the classical imperative style:
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How to retrieve the dimensions of a view?
...ded this code into my onCreate() method:
EDITED: 07/05/11 to include code from comments:
final TextView tv = (TextView)findViewById(R.id.image_test);
ViewTreeObserver vto = tv.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
@Override
public void onGloba...
What's the fuss about Haskell? [closed]
.... In that sense it's better than a C program. But how is this so different from (say) a Python program with a very similar structure?
The answer is lazy evaluation. In most languages (even some functional ones), a program structured like the one above would result in the entire file being loaded in...
When to use RDLC over RDL reports?
...
From my experience there are few things to think about both things:
I. RDL reports are HOSTED reports generally. This means you need to implement SSRS Server. They are a built in extension of Visual Studio from SQL Server ...
Why is auto_ptr being deprecated?
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I found the existing answers great, but from the PoV of the pointers. IMO, an ideal answer should have the user/programmer's perspective answer.
First thing first (as pointed by Jerry Coffin in his answer)
auto_ptr could be replaced by shared_ptr or unique_pt...