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Binding a Button's visibility to a bool value in ViewModel
...rty itself of type Visibility) though I would prefer not to do that, since now you are messing with the separation of concerns. An item's visbility should really be up to the View.
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Select datatype of the field in postgres
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So simple and nice! Now I can replace the current query that I found that is 310 characters (without the table name), 4 table join, not schema aware, expensive, and that gives 'int4' and others as types instead of integer. Thank you!
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Different ways of adding to Dictionary
...d when choosing one. In other words, don't use the 'indexer add' when you know ahead of time that you will always add, or even must always add. Having an IndexOutOfBounds exception get thrown is better than unexpected behavior.
– ryancdotnet
Aug 7 '18 at 21:11
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How to chain scope queries with OR instead of AND?
...ou would do
Person.where('name=? OR lastname=?', 'John', 'Smith')
Right now, there isn't any other OR support by the new AR3 syntax (that is without using some 3rd party gem).
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How to merge specific files from Git branches
...sure in branch1 is checked out and active
$ git checkout branch2 file.py
Now file.py is now in branch1.
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Having the output of a console application in Visual Studio instead of the console
...again. Is it possible to achieve anything like that with Visual Studio? I know that instead of doing
12 Answers
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UIImagePickerController error: Snapshotting a view that has not been rendered results in an empty sn
...s deprecated in iOS 6. It is suggested that presentViewController be used now.
– Gallymon
Jan 23 '14 at 18:50
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Extracting bits with a single multiplication
... In the above case, your mask would be 00100100 and the result 00a00b00.
Now the hard part: turning that into ab.......
A multiplication is a bunch of shift-and-add operations. The key is to allow overflow to "shift away" the bits we don't need and put the ones we want in the right place.
Multip...
Firing events on CSS class changes in jQuery
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@riscarrott i don't presume to know the OP's application. I'm just presenting them with the concept of pub/sub and they can apply it however they'd like. Disputing what the actual event name should be with the amount of info given is silly.
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How do I use Notepad++ (or other) with msysgit?
...u must be aware that:
git is passing it a cygwin path and npp doesn't know what to do with it
So the script in that case would be:
#!/bin/sh
"C:/Program Files (x86)/Notepad++/notepad++.exe" -multiInst -notabbar -nosession -noPlugin "$(cygpath -w "$*")"
Multiple lines for readability:
#!/bi...