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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
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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
...
Xcode stuck at “Your application is being uploaded”
...rom apple download center:
http://support.apple.com/kb/DL1572?viewlocale=en_US
If this still doesn't help then follow this third method:
This method enables the application loader to use the HTTP port instead of HTTPS.
Go to
Application Loader java folder :
/Applications/Xcode.app/Contents/Applicat...
What is the difference between tree depth and height?
... about to add quote with same content from here: en.wikipedia.org/wiki/Tree_%28data_structure%29
– Péter Török
Apr 8 '10 at 21:53
2
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Can you define aliases for imported modules in Python?
...
import a_ridiculously_long_module_name as short_name
also works for
import module.submodule.subsubmodule as short_name
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