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How do I get a list of column names from a psycopg2 cursor?
...it’s not (easily) possible to get column names for views from information_schema.
– wjv
Jun 23 '16 at 7:30
6
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Load HTML file into WebView
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This can be changed in the asset folder configuration setting in your <app>.iml file as:
<option name=”ASSETS_FOLDER_RELATIVE_PATH” value=”/src/main/assets” />
See Article Where to place the assets folder in Android Studio
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If table exists drop table then create it, if it does not exist just create it
...e and swap it with an old one (table contents are lost):
CREATE TABLE `bla__new` (id int); /* if not ok: terminate, report error */
RENAME TABLE `bla__new` to `bla`; /* if ok: terminate, report success */
RENAME TABLE `bla` to `bla__old`, `bla__new` to `bla`;
DROP TABLE IF EXISTS `bla__old`;
You...
Getters \ setters for dummies
...nswer. If you want to use real getters/setters, you would have to use this.__defineGetter__ or the newer Object.defineProperty function.
– Matthew Crumley
Jul 6 '11 at 13:35
1
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Does a favicon have to be 32x32 or 16x16?
...recommends 16x16, 32x32 and 48x48 packed in the favicon.ico file.
For iOS, Apple recommends specific file names and resolutions, at most 180x180 for latest devices running iOS 8.
Android Chrome primarily uses a manifest and also relies on the Apple touch icon.
IE 10 on Windows 8.0 requires PNG pictu...
getenv() vs. $_ENV in PHP
What is the difference between getenv() and $_ENV ?
6 Answers
6
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Check if a class has a member function of a given signature
...compile-time. Example from my code (tests if class has member function size_t used_memory() const).
template<typename T>
struct HasUsedMemoryMethod
{
template<typename U, size_t (U::*)() const> struct SFINAE {};
template<typename U> static char Test(SFINAE<U, &U::us...
Thread.Sleep replacement in .NET for Windows Store
Thread.Sleep doesn't seem to be supported in .NET for Windows Store apps.
5 Answers
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How to identify numpy types in python?
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Use the builtin type function to get the type, then you can use the __module__ property to find out where it was defined:
>>> import numpy as np
a = np.array([1, 2, 3])
>>> type(a)
<type 'numpy.ndarray'>
>>> type(a).__module__
'numpy'
>>> type(a).__m...
Spring Boot Remove Whitelabel Error Page
...remove white label error page, so what I've done was created a controller mapping for "/error",
15 Answers
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