大约有 47,000 项符合查询结果(耗时:0.0865秒) [XML]

https://stackoverflow.com/ques... 

Shell equality operators (=, ==, -eq)

... It's the other way around: = and == are for string comparisons, -eq is for numeric ones. -eq is in the same family as -lt, -le, -gt, -ge, and -ne, if that helps you remember which is which. == is a bash-ism, by the way. It's better to use the POSIX =. In bash the two ...
https://stackoverflow.com/ques... 

Can I multiply strings in Java to repeat sequences? [duplicate]

...st way in plain Java with no dependencies is the following one-liner: new String(new char[generation]).replace("\0", "-") Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated. All this does is create an empty string containing n number of 0x00 ch...
https://stackoverflow.com/ques... 

How do I trim whitespace from a string?

How do I remove leading and trailing whitespace from a string in Python? 12 Answers 12...
https://stackoverflow.com/ques... 

Do you use source control for your database items? [closed]

...your database under version control. Check the series of posts by K. Scott Allen. When it comes to version control, the database is often a second or even third-class citizen. From what I've seen, teams that would never think of writing code without version control in a million years-- and right...
https://stackoverflow.com/ques... 

How can I declare and use Boolean variables in a shell script?

...ogram by the name stored in a variable but the code in this answer is just string comparison. – Quolonel Questions Apr 1 '15 at 9:58  |  show ...
https://stackoverflow.com/ques... 

How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?

I am trying to parse url-encoded strings that are made up of key=value pairs separated by either & or & . 1...
https://stackoverflow.com/ques... 

What are the differences between “generic” types in C++ and Java?

...class PhoneNumbers { private Map phoneNumbers = new HashMap(); public String getPhoneNumber(String name) { return (String)phoneNumbers.get(name); } ... } because all the Java collection types used Object as their base type so you could put anything in them. Java 5 rolls around and a...
https://stackoverflow.com/ques... 

Using LINQ to concatenate strings

...question and is not intended for everyday use. Because this does not use a StringBuilder it will have horrible performance for very long sequences. For regular code use String.Join as shown in the other answer Use aggregate queries like this: string[] words = { "one", "two", "three" }; var res = w...
https://stackoverflow.com/ques... 

What is the difference between NTFS Junction Points and Symbolic Links?

...nks is that Junctions are only able to be directories, while SymLinks are allowed to also target files. 6 Answers ...
https://stackoverflow.com/ques... 

Make an HTTP request with android

...yteArrayOutputStream(); response.getEntity().writeTo(out); String responseString = out.toString(); out.close(); //..more logic } else{ //Closes the connection. response.getEntity().getContent().close(); throw new IOException(statusLine.getR...