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How to set Python's default version to 3.x on OS X?
...n use command python, which will leaving the alias untouched, and works in all shells.
If you launch interpreters more often (I do), you can always create more aliases to add as well, i.e.:
alias 2='python2'
alias 3='python3'
Tip: For scripts, instead of using a shebang like:
#!/usr/bin/env p...
Possible to do a MySQL foreign key to one of two possible tables?
...
What you're describing is called Polymorphic Associations. That is, the "foreign key" column contains an id value that must exist in one of a set of target tables. Typically the target tables are related in some way, such as being instances of some c...
std::wstring VS std::string
... on a wchar_t.
char vs. wchar_t
char is supposed to hold a character, usually an 8-bit character.
wchar_t is supposed to hold a wide character, and then, things get tricky:
On Linux, a wchar_t is 4 bytes, while on Windows, it's 2 bytes.
What about Unicode, then?
The problem is that neither char ...
How to find encoding of a file via script on Linux?
I need to find the encoding of all files that are placed in a directory. Is there a way to find the encoding used?
17 Answe...
What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
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You usually get this error if your tables use the InnoDB engine. In that case you would have to drop the foreign key, and then do the alter table and drop the column.
But the tricky part is that you can't drop the foreign key using...
How to get the size of a JavaScript object?
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Anyone who landed here looking for the smallest type for the purposes of false/true, it seems to be undefined/null.
– zupa
Jan 24 '13 at 16:32
3
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Get all directories within directory nodejs
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Here's a shorter, syncronous version of this answer that can list all directories (hidden or not) in the current directory:
const { lstatSync, readdirSync } = require('fs')
const { join } = require('path')
const isDirectory = source => lstatSync(source).isDirectory()
const getDirectori...
How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?
I tried to reinstall an apk
16 Answers
16
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How do I mock a service that returns promise in AngularJS Jasmine unit test?
...ce;
beforeEach(module('app.myService'));
beforeEach(inject( function(_myService_, myOtherService, $q){
myService = _myService_;
spyOn(myOtherService, "makeRemoteCallReturningPromise").and.callFake(function() {
var deferred = $q.defer();
deferred.resolve('Remote call res...
How can I wrap text in a label using WPF?
...ol when using the keyboard e.g. ALT+C in the sample code below), as that's all a Label really offers over a TextBlock.
However, a Label uses a TextBlock to render text (if a string is placed in the Content property, which it typically is); therefore, you can add a style for TextBlock inside the La...