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Secure random token in Node.js
...oding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token I've found is
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How to unzip files programmatically in Android?
...
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
– Lou Morda
Jul 27 '12 at 22:00
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In C++, is it still bad practice to return a vector from a function?
... Guidelines.
Let's compare:
std::vector<int> BuildLargeVector1(size_t vecSize) {
return std::vector<int>(vecSize, 1);
}
with:
void BuildLargeVector2(/*out*/ std::vector<int>& v, size_t vecSize) {
v.assign(vecSize, 1);
}
Now, suppose we need to call these methods ...
Find intersection of two nested lists?
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You can use filter(set(c1).__contains__, sublist) for efficiency. btw, the advantage of this solution is that filter() preserves strings and tuples types.
– jfs
Mar 14 '09 at 10:46
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Find difference between timestamps in seconds in PostgreSQL
...
Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTRACT.
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jQuery OR Selector?
...have different operators in different languages: en.wikipedia.org/wiki/Null_coalescing_operator
– JanErikGunnar
Dec 4 '17 at 10:15
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How to write LaTeX in IPython Notebook?
...from IPython.display import display, Math, Latex
display(Math(r'F(k) = \int_{-\infty}^{\infty} f(x) e^{2\pi i k} dx'))
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leading zeros in rails
...using a given padding character.
str.rjust(integer, padstr=' ') → new_str
If integer is greater than the length of str, returns a new String of length integer with str right justified and padded with padstr; otherwise, returns str.
some_int = 5
some_int.to_s.rjust(2, '0') # => '05'
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Where to find Application Loader app in Mac?
I have downloaded applicationloader_1.3.dmg and installed in the destination Macintosh HD.
15 Answers
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Changing the background drawable of the searchview widget
...nd set our own.
NOTE: Solution below depends only on id (android:id/search_plate) of element within SearchView, so it's more SDK-version independent than children traversal (e.g. using searchView.getChildAt(0) to get to the right view within SearchView), but it's not bullet-proof. Especially if som...