大约有 30,000 项符合查询结果（耗时：0.0350秒） [XML]
How to make System.out.println() shorter
...stance will provide methods for different messages like info(), warn() and error().
Homemade methods
or simply make a println method of your own and call it:
void println(Object line) {
System.out.println(line);
}
println("Hello World");
IDE keyboard shortcuts
IntelliJ IDEA and NetBeans:
you t...
How to get first record in each group using Linq
...
So glad i found this. I got error message "The method 'First' can only be used as a final query operation. Consider using the method 'FirstOrDefault' in this instance instead." from your example. Only operation on the list i did after the query was pass...
How to check for a valid Base64 encoded string
...ase 64 encoded other than just trying to convert it and see if there is an error? I have code code like this:
19 Answers
...
How to create an infinite loop in Windows batch file?
...s)
rem ** can be stopped with exit
rem ** can be stopped with a syntax error
call :stop
)
:stop
call :__stop 2>nul
:__stop
() creates a syntax error, quits the batch
This could be useful if you need a really infinite loop, as it is much faster than a goto :loop version because a for-loo...
How do I convert Long to byte[] and back in java
...ere.
– user1132959
May 12 '13 at 19:05
4
If he's doing cross-language or cross-platform, then sen...
What is the scope of variables in JavaScript?
...perties on the global object.
Examples
The following will throw a ReferenceError because the namesx, y, and z have no meaning outside of the function f.
function f() {
var x = 1
let y = 1
const z = 1
}
console.log(typeof x) // undefined (because var has function scope!)
console.log(t...
Add regression line equation and R^2 on graph
...arry! This is related to how R's parse() function works. Through trial and error I found that aes(label = paste(..eq.label.., ..rr.label.., sep = "*plain(\",\")~")) does the job.
– Pedro Aphalo
Apr 8 '17 at 10:09
...
Import SQL dump into PostgreSQL database
...ve tried that psql mydatabase < C:\database\db-backup.sql but i get the error Invalid command \database. I also tried with " " around it.
– dazz
Jul 27 '11 at 10:05
...
How to split a string in Haskell?
...
answered Feb 12 '11 at 15:05
Jonno_FTWJonno_FTW
7,66977 gold badges4747 silver badges8080 bronze badges
...
How to get disk capacity and free space of remote computer
...u run the powershell under task scheduler
2) You may get Access is denied errors errors trying to used "get-WmiObject" on remote computers (depending on your infrastructure setup, of course)
The alternative that doesn't suffer from these issues is to use GetDiskFreeSpaceEx with a UNC path:
functi...