大约有 23,000 项符合查询结果(耗时:0.0260秒) [XML]
How do I check if a string contains another string in Objective-C?
How can I check if a string ( NSString ) contains another smaller string?
23 Answers
2...
Is it possible to GROUP BY multiple columns using MySQL?
...red Dec 3 '09 at 17:14
Joe PhillipsJoe Phillips
43k2424 gold badges8989 silver badges147147 bronze badges
...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...拓展:数据表格视图,表格形式显示列表
【剪贴板】 Clipboard 拓展:实现剪贴板的复制粘贴功能
【Socket】 ClientSocketAI2Ext 拓展加强版:TCP/IP传输协议
【FTP】 FTP 客户端拓展:FTP协议连接、上传、下载、创建、修改目录等
【...
Java Reflection: How to get the name of a variable?
...For example, take this simple class:
class TestLocalVarNames {
public String aMethod(int arg) {
String local1 = "a string";
StringBuilder local2 = new StringBuilder();
return local2.append(local1).append(arg).toString();
}
}
After compiling with javac -g:vars TestL...
How to check whether a string contains a substring in JavaScript?
Usually I would expect a String.contains() method, but there doesn't seem to be one.
3 Answers
...
What is the difference between canonical name, simple name and class name in Java Class?
...rst.
I did this:
class ClassNameTest {
public static void main(final String... arguments) {
printNamesForClass(
int.class,
"int.class (primitive)");
printNamesForClass(
String.class,
"String.class (ordinary class)");
print...
How to select between brackets (or quotes or …) in Vim?
...
This is a highly useful tip. No more fumbling with extra keystrokes. Thank you for the link.
– Rai
Jan 18 '15 at 15:36
add a comment
...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...
Here's how I do it:
private string GetExcelColumnName(int columnNumber)
{
int dividend = columnNumber;
string columnName = String.Empty;
int modulo;
while (dividend > 0)
{
modulo = (dividend - 1) % 26;
columnName ...
C# equivalent to Java's charAt()?
... we can use the charAt() method in Java get an individual character in a string by specifying its position. Is there an equivalent method in C#?
...
Do I need to heartbeat to keep a TCP connection open?
I have two components that that communicate via TCP/IP. Component A acts as a server/listener and Component B is the client. The two should communicate as quickly as possible. There can only ever be one connection at any time (though that is aside to this question). A senior developer at my comp...
