大约有 44,000 项符合查询结果（耗时：0.0844秒） [XML]
How to create EditText with cross(x) button at end of it?
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Use the following layout:
<FrameLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="9dp"
android:padding="5dp">
<EditText
android:id="@+id/calc_txt_Prise"
android:layout_wi...
How is “int main(){(([](){})());}” valid C++?
...tart from the beginning: [](){} is an empty lambda expression.
Then, in C and C++, you can wrap expressions in parens and they behave exactly the same† as if written without them, so that's what the first pair of parens around the lambda does. We're now at ([](){}).
Then, () after the first wrap...
Setting Vim whitespace preferences by filetype
...er that. Of course, if expandtab is on, all the tabs that get inserted are converted to spaces. stackoverflow.com/questions/1562336/… might help further. Without expand tab, Peter's answer would insert tabs that are 2 chars wide, not spaces.
– ajmccluskey
Ap...
What does the @ symbol before a variable name mean in C#? [duplicate]
I understand that the @ symbol can be used before a string literal to change how the compiler parses the string. But what does it mean when a variable name is prefixed with the @ symbol?
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Find first element by predicate
I've just started playing with Java 8 lambdas and I'm trying to implement some of the things that I'm used to in functional languages.
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Why is the gets function so dangerous that it should not be used?
...hat.)
It remained an official part of the language up to the 1999 ISO C standard, but
it was officially removed by the 2011 standard. Most C implementations still support it, but at least gcc issues a warning for any code that uses it.
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How to return multiple objects from a Java method?
I want to return two objects from a Java method and was wondering what could be a good way of doing so?
25 Answers
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How to change height of grouped UITableView header?
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If you use tableView style grouped, tableView automatically set top and bottom insets. To avoid them and avoid internal insets setting, use delegate methods for header and footer. Never return 0.0 but CGFLOAT_MIN.
Objective-C
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSe...
What exactly do “u” and “r” string flags do, and what are raw string literals?
...slashes are literal backslashes, not part of escape codes.
You can try to convert a Unicode string to an old string using the str() function, but if there are any unicode characters that cannot be represented in the old string, you will get an exception. You could replace them with question marks f...
Is the ternary operator faster than an “if” condition in Java [duplicate]
... readable doesn't mean it matters, perse.
– Jon Egeland
Mar 16 '12 at 22:42
24
@Jon: Yes, it doe...