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presentViewController and displaying navigation bar
...tintColor = [UIColor whiteColor];
navcont.navigationBar.barTintColor = App_Theme_Color;
[navcont.navigationBar
setTitleTextAttributes: @ {
NSForegroundColorAttributeName: [UIColor whiteColor]
}];
navcont.modalPresentationStyle = UIModalPresentationFullScreen;
navcont....
List of installed gems?
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Gem::Specification.map {|a| a.name}
However, if your app uses Bundler it will return only list of dependent local gems. To get all installed:
def all_installed_gems
Gem::Specification.all = nil
all = Gem::Specification.map{|a| a.name}
Gem::Specification.reset
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How do I analyze a .hprof file?
...See stackoverflow.com/questions/7254017/… for tips if you run into that happening.
– rogerdpack
Mar 30 '15 at 23:43
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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]
...that i have an object e.g. user = {} and through the course of using the app this gets populated. Let's say somwhere, after an AJAX call or something i do this:
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How to set background color of an Activity to white programmatically?
... agreed. this changes the colour of the window before the root layout is applied, the accepted answer changes the colour of the root element in the activity's layout
– LairdPleng
Oct 2 '13 at 1:46
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LinkedIn联合创始人：初创企业早期别花钱买用户 - 资讯 - 清泛网 - 专注C/C...
...。比如Facebook，如此成功的公司，还收购了Instagram和WhatsApp。它为什么这样做？因为随着它的用户年龄的增长，越来越多它的用户开始倾向于使用Instagram和WhatsApp。现在许多年轻人都不用Facebook，觉得它不酷，因为他们的父母也在...
No Persistence provider for EntityManager named
...ger*.jar as stated in Ualter Jrs answer below. I am using a standalone GWT app with hibernate-core-4.3.7.jar, hibernate-entitymanager-4.3.7.Final.jar and hibernate-jpa-2.1-api-1.0.0.jar.
– Andreas Dietrich
Dec 15 '14 at 10:56
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nodejs get file name from absolute path?
...form.
Why need to care about remembering/importing an API while this regex approach also letting us recollect our regex skills.
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How to simulate target=“_blank” in JavaScript
... This answer could be improved by adding some description of what is happening
– Elly Post
Oct 13 '16 at 18:54
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How to convert a double to long without casting?
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Assuming you're happy with truncating towards zero, just cast:
double d = 1234.56;
long x = (long) d; // x = 1234
This will be faster than going via the wrapper classes - and more importantly, it's more readable. Now, if you need rounding ...