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error: ‘NULL’ was not declared in this scope
...
Actually it's not a keyword in Java either.
– Man of One Way
Jun 19 '12 at 22:11
4
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How can I import a database with MySQL from terminal?
...;databasename> < <filename.sql>
Example:
mysql -u root -p wp_users < wp_users.sql
mysql -u root -pPassword123 wp_users < wp_users.sql
See also:
4.5.1.5. Executing SQL Statements from a Text File
Note: If you are on windows then you will have to cd (change directory) to y...
Can git operate in “silent mode”?
...ng the new branch has been setup. Is there someway (some flag) using which all such output can be silenced ?
– Ankur
Jan 6 '15 at 8:57
...
Detecting touch screen devices with Javascript
...ific code.
See here: http://www.forabeautifulweb.com/blog/about/hardboiled_css3_media_queries/
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Difference between return and exit in Bash functions
...a function to stop executing and return the value specified by n to its caller. If n is omitted, the return status is that of the last command executed in the function body.
... on exit [n]:
Cause the shell to exit with a status of n. If n is omitted, the exit status is that of the...
Checking if an Android application is running in the background
...Pause();
MyApplication.activityPaused();
}
Update
ActivityLifecycleCallbacks were added in API level 14 (Android 4.0). You can use them to track whether an activity of your application is currently visible to the user. Check Cornstalks' answer below for the details.
The wrong one
I used to s...
What is the difference between named and positional parameters in Dart?
...ss the similarities.
Dart's optional parameters are optional in that the caller isn't required to specify a value for the parameter when calling the function.
Optional parameters can only be declared after any required parameters.
Optional parameters can have a default value, which is used when a...
scp (secure copy) to ec2 instance without password
...ermission Denied" error! How can I solve this?
– AleX_
Jan 18 '19 at 22:27
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Is there a way to check if a file is in use?
...nderstand your hesitation about using exceptions, but you can't avoid them all of the time:
protected virtual bool IsFileLocked(FileInfo file)
{
try
{
using(FileStream stream = file.Open(FileMode.Open, FileAccess.Read, FileShare.None))
{
stream.Close();
}...
Logger slf4j advantages of formatting with {} instead of string concatenation
...
It is about string concatenation performance. It's potentially significant if your have dense logging statements.
(Prior to SLF4J 1.7) But only two parameters are possible
Because the vast majority of logging statements have 2 or fewer parameters, so SLF4J API up to version 1....