大约有 15,000 项符合查询结果（耗时：0.0369秒） [XML]
Read/Write String from/to a File in Android
... = new OutputStreamWriter(context.openFileOutput("config.txt", Context.MODE_PRIVATE));
outputStreamWriter.write(data);
outputStreamWriter.close();
}
catch (IOException e) {
Log.e("Exception", "File write failed: " + e.toString());
}
}
Read File:
private String...
How do I tar a directory of files and folders without including the directory itself?
...
cd my_directory/ && tar -zcvf ../my_dir.tgz . && cd -
should do the job in one line. It works well for hidden files as well. "*" doesn't expand hidden files by path name expansion at least in bash. Below is my e...
Remove local git tags that are no longer on the remote repository
...
I had to go git tag -l | %{git tag -d $_} to get this working in PowerShell. Not sure about anyone else.
– Alain
Dec 20 '16 at 20:27
...
file_put_contents - failed to open stream: Permission denied
... the folder
sudo chown -R www-data:www-data /var/www
that should make file_put_contents work now. But for more security you better also set the permissions like below
find /var/www -type d -print0 | xargs -0 chmod 0755 # folder
find /var/www -type f -print0 | xargs -0 chmod 0644 # files
change /v...
How to cast List to List
...n also upcast to (List) instead of to (Object).
– 200_success
Feb 15 '16 at 11:12
add a comme...
How to fix java.net.SocketException: Broken pipe?
... In the following case, I create a Socket server that listen at TCP port 10_000 and accept max 200 pending sockets.
new Thread(() -> {
try (ServerSocket serverSocket = new ServerSocket(10_000, 200)) {
logger.info("Server starts listening on TCP port {}", port);
while (true...
What is the difference between build.sbt and build.scala?
...thand notation roughly equivalent to this project/Build.scala:
import sbt._
import Keys._
object Build extends Build {
lazy val root = Project(id = "root", base = file(".")).settings(
name := "hello",
version := "1.0"
)
}
The .sbt file can also include vals, lazy vals, and defs...
How to get the name of a function in Go?
... log with file and line.
func Debug(format string, a ...interface{}) {
_, file, line, _ := runtime.Caller(1)
info := fmt.Sprintf(format, a...)
log.Printf("[cgl] debug %s:%d %v", file, line, info)
share
...
Computed / calculated / virtual / derived columns in PostgreSQL
...al, but makes makes life a bit easier).
Suppose my computation is md5(some_string_field), then I create the index as:
CREATE INDEX some_string_field_md5_index ON some_table(MD5(some_string_field));
Now, any queries that act on MD5(some_string_field) will use the index rather than computing it f...
Android Writing Logs to text File
...
Don't forget to add permission for writing_external_storage in Manifest!
– virusss8
Jan 18 '12 at 20:16
...