大约有 2,864 项符合查询结果（耗时：0.0220秒） [XML]
Remove/hide a preference from the screen
...:
XML:
<PreferenceCategory
android:key="category_foo"
android:title="foo">
<CheckBoxPreference
android:key="checkPref" />
Java:
CheckBoxPreference mCheckBoxPref = (CheckBoxPreference) findPreference("checkPref");
PreferenceCategory mCategory = (PreferenceCategor...
YAML current date in rmarkdown
... just single quote the double quotes and vice versa, This works well.
---
title: "Sample Document"
output:
html_document:
toc: true
theme: united
date: '`r format(Sys.time(), "%d %B, %Y")`'
author: baptiste
---
s...
How to handle Objective-C protocols that contain properties?
...
all you have to do really is to drop a
@synthesize title;
in your implementation and you should be all set. it works the same way as just putting the property in your class interface.
Edit:
You may want to do this more specifically:
@synthesize title = _title;
This wi...
Make a UIButton programmatically in Swift
... myFirstLabel.frame = CGRectMake(15, 54, 300, 500)
myFirstButton.setTitle("✸", forState: .Normal)
myFirstButton.setTitleColor(UIColor.blueColor(), forState: .Normal)
myFirstButton.frame = CGRectMake(15, -50, 300, 500)
myFirstButton.addTarget(self, action: #selector(myClass.press...
How to test a confirm dialog with Cucumber?
...========
my step definition here:
And(/^I confirm the browser dialog with title "([^"]*)"$/) do |title|
if page.driver.class == Capybara::Selenium::Driver
page.driver.browser.switch_to.alert.text.should eq(title)
page.driver.browser.switch_to.alert.accept
elsif page.driver.class == Capy...
What does !! mean in ruby?
....
!"wtf"
# => false
!!"wtf"
# => true
A more real use case:
def title
"I return a string."
end
def title_exists?
!!title
end
This is useful when you want to make sure that a boolean is returned. IMHO it's kind of pointless, though, seeing that both if 'some string' and if true is t...
How to get the first five character of a String
...st 5 characters. You should get them with proper check, like this:
string title = "love" // 15 characters
var firstFiveChars = title.Length <= 5 ? title : title.Substring(0, 5);
// firstFiveChars: "love" (4 characters)
Without this check, Substring() function would throw an exception because ...
Which HTML5 tag should I use to mark up an author’s name?
...gt;</address>
on <time pubdate datetime="2011-08-28" title="August 28th, 2011">8/28/11</time>
</div>
</header>
<div class="article-content">
...
</div>
</article>
The pubdate attribute indicates that that is the...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
...be copied into the DMG:
hdiutil create -srcfolder "${source}" -volname "${title}" -fs HFS+ \
-fsargs "-c c=64,a=16,e=16" -format UDRW -size ${size}k pack.temp.dmg
Mount the disk image, and store the device name (you might want to use sleep for a few seconds after this operation):
device=$(h...
How to convert a selection to lowercase or uppercase in Sublime Text
...
Too Bad There Isn't Sentence & Title Case Shortcuts, That'd be Something.
– Ben Racicot
Jul 30 '14 at 15:40
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