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Get battery level and state in Android
...te BroadcastReceiver mBatInfoReceiver = new BroadcastReceiver(){
@Override
public void onReceive(Context ctxt, Intent intent) {
int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);
batteryTxt.setText(String.valueOf(level) + "%");
}
};
@Override
public void on...
Overriding the java equals() method - not working?
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In other words, the parameter must be of type Object. This is called overriding; your method public boolean equals(Book other) does what is called overloading to the equals() method.
The ArrayList uses overridden equals() methods to compare contents (e.g. for its contains() and equals() methods), ...
Set value to NULL in MySQL
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Don't put NULL inside quotes in your update statement. This should work:
UPDATE table SET field = NULL WHERE something = something
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How can I get the last 7 characters of a PHP string?
...characters are greater then 7 return last 7 characters else return the provided string.
or do this if you need to return message or error if length is less then 7
$newstring = (strlen($dynamicstring)>7)?substr($dynamicstring, -7):"message";
substr documentation
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How to read a file in Groovy into a string?
...re is some other factor in the mix like you had a local variable that was hiding a field or something like that.
– Jeff Scott Brown
Apr 26 '18 at 20:17
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The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
...swer is better. no need to reinvent the wheel.
– davidjnelson
Nov 15 '12 at 19:34
1
@xtreme-bike...
Can I force pip to reinstall the current version?
...--upgrade and --force-reinstall ensures reinstallation, while --no-deps avoids reinstalling dependencies.
$ sudo pip install --upgrade --no-deps --force-reinstall <packagename>
Otherwise you might run into the problem that pip starts to recompile Numpy or other large packages.
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How to close this ssh tunnel? [closed]
...st is to be
forwarded to the given host and port on the remote side.
So -L 3306:mysql-server.com:3306 binds the local port 3306 to the remote port 3306 on host mysql-server.com.
When you connect to local port 3306, the connection is forwarded over the secure channel to mysql-server.co...
Java: Check if enum contains a given string?
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Use the Apache commons lang3 lib instead
EnumUtils.isValidEnum(MyEnum.class, myValue)
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How to specify in crontab by what user to run script? [closed]
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Will this also set the group id as the OP asked? What if the group one wants is different from the user's primary group?
– askyle
Mar 31 '15 at 9:59
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