大约有 20,000 项符合查询结果(耗时:0.0332秒) [XML]
Can't connect to local MySQL server through socket '/tmp/mysql.sock
When I attempted to connect to a local MySQL server during my test suite, it
fails with the error:
32 Answers
...
How to create UILabel programmatically using Swift?
... 284)
label.textAlignment = NSTextAlignment.Center
label.text = "I'm a test label"
self.view.addSubview(label)
}
Swift 3.0+ Update:
let label = UILabel(frame: CGRect(x: 0, y: 0, width: 200, height: 21))
label.center = CGPoint(x: 160, y: 285)
label.textAlignment = .center
label.text = "I'm...
Disable copy constructor
...blic NonAssignable {
};
For GCC this gives the following error message:
test.h: In copy constructor ‘SymbolIndexer::SymbolIndexer(const SymbolIndexer&)’:
test.h: error: ‘NonAssignable::NonAssignable(const NonAssignable&)’ is private
I'm not very sure for this to work in every co...
Breaking out of nested loops [duplicate]
... also rejected. I don't think there is another way, short of repeating the test or re-organizing the code. It is sometimes a bit annoying.
In the rejection message, Mr van Rossum mentions using return, which is really sensible and something I need to remember personally. :)
...
What is an initialization block?
...strate the use of them and in which order they are executed:
public class Test {
static int staticVariable;
int nonStaticVariable;
// Static initialization block:
// Runs once (when the class is initialized)
static {
System.out.println("Static initalization.");...
Disable intellij indexing on specific folder
...ULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/test/features" type="java-test-resource" />
<sourceFo...
In C#, how to instantiate a passed generic type inside a method?
... factory class to build your object with compiled lamba expression: The fastest way I've found to instantiate generic type.
public static class FactoryContructor<T>
{
private static readonly Func<T> New =
Expression.Lambda<Func<T>>(Expression.New(typeof (T))).Com...
How to disassemble one single function using objdump?
...x0000000000001147 <+18>: c3 retq
End of assembler dump.
Tested on Ubuntu 16.04, GDB 7.11.1.
objdump + awk workarounds
Print the paragraph as mentioned at: https://unix.stackexchange.com/questions/82944/how-to-grep-for-text-in-a-file-and-display-the-paragraph-that-has-the-text
o...
Case insensitive comparison of strings in shell script
...use parameter expansion to modify a string to all lower-/upper-case:
var1=TesT
var2=tEst
echo ${var1,,} ${var2,,}
echo ${var1^^} ${var2^^}
share
|
improve this answer
|
fo...
How to remove leading and trailing white spaces from a given html string?
... with a multiline string, like a code file:
<html>
<title>test</title>
<body>
<h1>test</h1>
</body>
</html>
And want to replace all leading lines, to get this result:
<html>
<title>test</title>
<body>
<...
