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Difference between String replace() and replaceAll()
...1
Replace all occurrences of the character x with o.
String myString = "__x___x___x_x____xx_";
char oldChar = 'x';
char newChar = 'o';
String newString = myString.replace(oldChar, newChar);
// __o___o___o_o____oo_
Example 2
Replace all occurrences of the string fish with sheep.
String mySt...
Git - How to use .netrc file on Windows to save user and password
...onment variable %HOME% (pre-Git 2.0, no longer needed with Git 2.0+)
put a _netrc file in %HOME%
If you are using Windows 7/10, in a CMD session, type:
setx HOME %USERPROFILE%
and the %HOME% will be set to 'C:\Users\"username"'.
Go that that folder (cd %HOME%) and make a file called '_netrc'
N...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
...pp.Fragment;
namespace Support4
{
[Activity (Label = "@string/fragment_pager_support")]
[IntentFilter (new[]{Intent.ActionMain}, Categories = new[]{ "mono.support4demo.sample" })]
public class FragmentPagerSupport : Activity
//public class FragmentPagerSupport : FragmentActivity
...
How can I safely encode a string in Java to use as a filename?
...ey want, store the filename based on a scheme of my own choosing (eg userId_fileId) and then store the user's filename in a database table. That way you can display it back to the user, store things how you want and you don't compromise security or wipe out other files.
You can also hash the file (...
How to exit from Python without traceback?
...Shutdown requested...exiting"
except Exception:
traceback.print_exc(file=sys.stdout)
sys.exit(0)
if __name__ == "__main__":
main()
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Entity Framework rollback and remove bad migration
...g migrations that have been applied to the target database.
201508242303096_Bad_Migration
201508211842590_The_Migration_applied_before_it
201508211440252_And_another
This list shows the most recent applied migrations first. Pick the migration that occurs in the list after the one you want to downgr...
Getting SyntaxError for print with keyword argument end=' '
I have this python script where I need to run gdal_retile.py ,
but I get an exception on this line:
14 Answers
...
How do I import the Django DoesNotExist exception?
...mentation:
self.assertRaises(Answer.DoesNotExist, Answer.objects.get, body__exact='<p>User can reply to discussion.</p>')
or better:
with self.assertRaises(Answer.DoesNotExist):
Answer.objects.get(body__exact='<p>User can reply to discussion.</p>')
...
Python unit test with base and sub class
...g SubTest2:testSub2'
sub = 4
self.assertEquals(sub, 4)
if __name__ == '__main__':
unittest.main()
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String concatenation: concat() vs “+” operator
...ial #3; //Method java/lang/StringBuilder."<init>":()V
7: aload_1
8: invokevirtual #4; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
11: aload_2
12: invokevirtual #4; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljav...