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How do I create a file and write to it in Java?
...Creating a text file:
PrintWriter writer = new PrintWriter("the-file-name.txt", "UTF-8");
writer.println("The first line");
writer.println("The second line");
writer.close();
Creating a binary file:
byte data[] = ...
FileOutputStream out = new FileOutputStream("the-file-name");
out.write(data);
...
How to save as a new file and keep working on the original one in Vim?
...at there are two ways of "SAVE AS" in Vim.
Assumed that I'm editing hello.txt.
:w world.txt will write hello.txt's content to the file world.txt while keeping hello.txt as the opened buffer in vim.
:sav world.txt will first write hello.txt's content to the file world.txt, then close buffer hello...
京东天天果园与“褚橙”从合作演变成打假 - 资讯 - 清泛网 - 专注C/C++及内核技术
...购到‘褚橙’，并通过天天果园官网和京东旗舰店推荐给消费者”。
昨日，天天果园公关总监宋文明在微信公众号上发文直言“遭到某里系统(指阿里)的抹黑”。他表示，“过去出售的‘褚橙’，以及未来可能出售...
How to combine paths in Java?
...lass is useful too. For example:
Path path = Paths.get("foo", "bar", "baz.txt");
If you need to cater for pre-Java-7 environments, you can use java.io.File, like this:
File baseDirectory = new File("foo");
File subDirectory = new File(baseDirectory, "bar");
File fileInDirectory = new File(subDir...
Git: How to diff two different files in different branches?
...
git diff branch1:full/path/to/foo.txt branch2:full/path/to/foo-another.txt
You can also use relative paths:
git diff branch1:./relative/path/to/foo.txt branch2:./relative/path/to/foo-another.txt
...
How to remove leading and trailing whitespace in a MySQL field?
...'\r' FROM TRIM(BOTH '\n' FROM TRIM(BOTH '\f' FROM TRIM(BOTH '\t' FROM TRIM(txt))))). But the problem with this approach is only a single character can be specified for a particular TRIM and those characters are only removed from the start and end. So if the string being trimmed is something like \t ...
How to replace an entire line in a text file by line number
...the greatest, but this should work:
sed -i 'Ns/.*/replacement-line/' file.txt
where N should be replaced by your target line number. This replaces the line in the original file. To save the changed text in a different file, drop the -i option:
sed 'Ns/.*/replacement-line/' file.txt > new_file...
Windows batch: echo without new line
...write.special (
<nul set /p "=!%~1!"
exit /b
)
>"%$write.temp%_1.txt" (echo !str!!$write.sub!)
copy "%$write.temp%_1.txt" /a "%$write.temp%_2.txt" /b >nul
type "%$write.temp%_2.txt"
del "%$write.temp%_1.txt" "%$write.temp%_2.txt"
set "str2=!str:*%$write.sub%=%$write.sub%!"
if "!str2!" n...
How to get the pure text without HTML element using JavaScript?
...pproach:
function get_content() {
var html = document.getElementById("txt").innerHTML;
document.getElementById("txt").innerHTML = html.replace(/<[^>]*>/g, "");
}
// Gabi's elegant approach, but eliminating one unnecessary line of code:
function gabi_content() {
var element = d...
How do I find files with a path length greater than 260 characters in Windows?
...
do a dir /s /b > out.txt and then add a guide at position 260
In powershell cmd /c dir /s /b |? {$_.length -gt 260}
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