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UINavigationController without navigation bar?
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In Xcode 4.3.2:
Select the navigation controller in the storyboard
Select the Attributes Inspector in the (right) Utilities panel
Under the Navigation Controller category you have two check boxes:
[] Shows Navigation Bar
[] Shows Toolbar
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AngularJS - Multiple ng-view in single template
...the content. Here assume you have one main ng-view and instead of manually selecting sub content by selecting drop down, you do it as when main view is loaded.
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Aggregate / summarize multiple variables per group (e.g. sum, mean)
...-date), sum)
# summarising a specific set of non-grouping variables using select_helpers
# see ?select_helpers for more options
df2 <- df1 %>% group_by(year, month) %>% summarise_at(vars(starts_with('x')), sum)
df2 <- df1 %>% group_by(year, month) %>% summarise_at(vars(matches('.*...
Set transparent background using ImageMagick and commandline prompt
...background color. I just flood fill the background with transparency, then select the alpha channel and blur it and remove half of the blurred area using -level 50x100%. Then turn back on all the channels and flatten it against the brown color. The -blur 0x1 -level 50x100% acts to antialias the bou...
Twitter Bootstrap: Text in navbar
...: Is there a standard Bootstrap class that disable the <p> text from selection?
– Matthew Cornell
Dec 11 '15 at 16:31
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How to check if activity is in foreground or in visible background?
...stem dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box?
23 An...
Stop an input field in a form from being submitted
...act with them at all- so if you have a disabled text field, the user can't select the text. If you have a disabled checkbox, the user can't change its state.
You could also write some javascript to fire on form submission to remove the fields you don't want to submit.
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How to generate Javadoc HTML files in Eclipse?
...wing shortcut:
Windows: alt + shift + J
Mac: ⌘ + Alt + J
Depending on selected context, a Javadoc will be printed. To create Javadoc written by OP, select corresponding method and hit the shotcut keys.
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git undo all uncommitted or unsaved changes
...s with 2 easy steps:
1) just need to reset the workspace file status
2) select all unstage files (command +a), right click and select remove
It's that simple :D
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Favorite (Clever) Defensive Programming Best Practices [closed]
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SQL
When I have to delete data, I write
select *
--delete
From mytable
Where ...
When I run it, I will know if I forgot or botched the where clause. I have a safety. If everything is fine, I highlight everything after the '--' comment tokens, and run...