大约有 7,000 项符合查询结果（耗时：0.0193秒） [XML]
Remove/hide a preference from the screen
...u have to do this:
XML:
<PreferenceCategory
android:key="category_foo"
android:title="foo">
<CheckBoxPreference
android:key="checkPref" />
Java:
CheckBoxPreference mCheckBoxPref = (CheckBoxPreference) findPreference("checkPref");
PreferenceCategory mCategory = (...
Creating range in JavaScript - strange syntax
...guments. That means that the following are pretty much the same:
function foo (a, b, c) {
return a + b + c;
}
foo(0, 1, 2); //3
foo.apply(null, [0, 1, 2]); //3
Now, we can ease the process of seeing how apply works by simply logging the arguments special variable:
function log () {
conso...
Linq order by boolean
...ant to order by f.bar, which is a string, but I also want to order it by f.foo, which is a boolean field, first. Like the query below.
...
Best approach for designing F# libraries for use from both F# and C#
...e things work, I am not entirely convinced. Re modules. If you have module Foo.Bar.Zoo then in C# this will be class Foo in namespace Foo.Bar. However if you have nested modules like module Foo=... module Bar=... module Zoo==, this will generate class Foo with inner classes Bar and Zoo. Re IEnumera...
Case insensitive access for generic dictionary
...omparer at the point where you try to get a value. If you think about it, "foo".GetHashCode() and "FOO".GetHashCode() are totally different so there's no reasonable way you could implement a case-insensitive get on a case-sensitive hash map.
You can, however, create a case-insensitive dictionary in...
How to HTML encode/escape a string? Is there a built-in?
...ethods to encode and decode HTML as well as URLs.
CGI::escapeHTML('Usage: foo "bar" <baz>')
# => "Usage: foo &quot;bar&quot; &lt;baz&gt;"
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Pass ruby script file to rails console
Is there a way to pass ruby file, foo.rb to rails console. Expected results would be after console starts rails environment to run file.
...
How can I make a JUnit Test wait?
... SomeCacheObject sco = new SomeCacheObject();
sco.putWithExipration("foo", 1000);
TimeUnit.MINUTES.sleep(2);
assertNull(sco.getIfNotExipred("foo"));
}
This library provides more clear interpretation for time unit. You can use 'HOURS'/'MINUTES'/'SECONDS'.
...
Matching an empty input box using CSS
...
If only the field is required you could go with input:valid
#foo-thing:valid + .msg { visibility: visible!important; }
<input type="text" id="foo-thing" required="required">
<span class="msg" style="visibility: hidden;">Yay not empty</span>
See live o...
Ruby, !! operator (a/k/a the double-bang) [duplicate]
...
So basically, !!foo is equivalent to not (foo == nil or foo == false)
– FloatingRock
Mar 30 '17 at 15:43
...