大约有 18,361 项符合查询结果（耗时：0.0201秒） [XML]
_=> what does this underscore mean in Lambda expressions?
...going to ignore it.
It's basically exploiting the syntax for what a legal identifier in C# constitutes, and since an identifier can start with an underscore, and contain nothing else, it's just a parameter name.
You could just have easily have written:
var _ = 10;
...
PHP method chaining?
...
I didn't think so either, but it should work right? Perhaps if PHP4 wasn't so PHP4-ish.
– alex
Sep 16 '10 at 6:26
...
How to change the status bar color in Android?
...all it's not a duplicate as in How to change the background color of android status bar
19 Answers
...
MySql: Tinyint (2) vs tinyint(1) - what is the difference?
...
It means display width
Whether you use tinyint(1) or tinyint(2), it does not make any difference.
I always use tinyint(1) and int(11), I used several mysql clients (navicat, sequel pro).
It does not mean anything AT ALL! I ran a test, all a...
Android: How to change CheckBox size?
...he related drawables and set them in the checkbox:
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="new checkbox"
android:background="@drawable/my_checkbox_background"
android:button="@drawable/my_checkbox" />
The trick ...
Why generate long serialVersionUID instead of a simple 1L?
...ts Serializable in Eclipse, I have two options: add default serialVersionUID(1L) or generated serialVersionUID(3567653491060394677L) . I think that first one is cooler, but many times I saw people using the second option. Is there any reason to generate long serialVersionUID ?
...
What's the best way to share data between activities?
...
Here a compilation of most common ways to achieve this:
Send data inside intent
Static fields
HashMap of WeakReferences
Persist objects (sqlite, share preferences, file, etc.)
TL;DR: there are two ways of sharing data: passing data in the intent's extras or saving it somewhere else. If data ...
Is this the right way to clean-up Fragment back stack when leaving a deeply nested stack?
I'm using the Android Compatibility library to implement fragments and have extended the layout sample so that a fragment contains a button which fires off another fragment.
...
What is the benefit of zerofill in MySQL?
...ILL it pads the displayed value of the field with zeros up to the display width specified in the column definition. Values longer than the display width are not truncated. Note that usage of ZEROFILL also implies UNSIGNED.
Using ZEROFILL and a display width has no effect on how the data is stored. ...
Controlling the screenshot in the iOS 7 multitasking switcher
...licationLaunch to prevent that snapshot image from being taken.
Having said that, it appears that the screen snapshot is still taken and I have therefore filed a bug report. But you should test further and see if using this setting helps.
If this was an enterprise app, you might also want to look...