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WPF: How to display an image at its original size?
...e image set in metadata. It took me quite a while before figuring out that if the image's DPI is different from the monitor's DPI (usually 96), WPF will automatically resize the image, as it tries to be DPI-independent.
EDIT
The MSDN link is broken, here is the new link:
MSDN Blog - Blurry Bitma...
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...ke sure that your object isn't still connected to the old property name... if it is, click the small 'x' to delete the reference and build again.
Another common cause if you are using Storyboard, your UIButton might have more then one assignings (Solution is almost the same as for nib):
Open ...
Removing a model in rails (reverse of “rails g model Title…”)
...del_name>
When you generate a model, it creates a database migration. If you run 'destroy' on that model, it will delete the migration file, but not the database table. So before run
bundle exec rake db:rollback
share...
How to show git log history for a sub directory of a git repo?
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@GoZoner, is there a way to find all commits where a specific folder name was changed? the folder could have moved around, so I would prefer not have to hunt down how and where the folder moved..
– alpha_989
Apr 7 '18 at 21:37
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When should you branch?
...main trunk.
In general, you would see two branch types:
Feature Branch: If a particular feature is disruptive enough that you don't want the entire development team to be affected in its early stages, you can create a branch on which to do this work.
Fixes Branch: While development continues on t...
Simulate first call fails, second call succeeds
I want to use Mockito to test the (simplified) code below. I don't know how to tell Mockito to fail the first time, then succeed the second time.
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PG::ConnectionBad - could not connect to server: Connection refused
...stmaster (PID 347) running in data directory "/usr/local/var/postgres"?
If so, rm postmaster.pid
Restart your server. On a mac using launchctl (with homebrew) the following commands will restart the server.
launchctl unload homebrew.mxcl.postgresql.plist
launchctl load -w homebrew.mxcl.postgre...
How to prevent errno 32 broken pipe?
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It depends on how you tested it, and possibly on differences in the TCP stack implementation of the personal computer and the server.
For example, if your sendall always completes immediately (or very quickly) on the personal computer, the connection may simply never have b...
How to set up fixed width for ?
...>C</td>
<td class="span1">D</td>
</tr>
** If you have <th> elements set the width there and not on the <td> elements.
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Changing navigation bar color in Swift
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Replace greenColor with whatever UIColor you want, you can use an RGB too if you prefer.
Navigation Bar Text:
navigationController?.navigationBar.titleTextAttributes = [.foregroundColor: UIColor.orange]
Replace orangeColor with whatever color you like.
Tab Bar:
tabBarController?.tabBar.barTi...