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How to make a great R reproducible example
...ermutation of some values : x <- sample(1:10) for vector 1:10 in random order.
a random factor : x <- sample(letters[1:4], 20, replace = TRUE)
For matrices, one can use matrix(), eg :
matrix(1:10, ncol = 2)
Making data frames can be done using data.frame(). One should pay attention to nam...
How do I copy an object in Java?
... Object.clone is protected, so we must override it with a public method in order for it to be accessible.
Another problem arises when we try deep copying of a complex object. Assume that the clone() method of all member object variables also does deep copy, this is too risky of an assumption. You mu...
Import / Export database with SQL Server Server Management Studio
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How to amend older Git commit? [duplicate]
...on of jgroups.xml
now to combine e23d23a with 8c83e24 you can change line order and use squash like this:
pick 8c83e24 use substitution instead of separate subsystems file to avoid jgroups.xml and jgroups-e2.xml going out of sync
squash e23d23a fix indentation of jgroups.xml
pick 799ce28 gene...
Split long commands in multiple lines through Windows batch file
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How does having a dynamic variable affect performance?
...18ms
LazyILEmitted: 14.3483ms
So while using the dynamic keyword takes an order of magnitude longer than calling the method directly, it still manages to complete the operation a million times in about 50 milliseconds, making it far faster than reflection. If the method we call were trying to do so...
Separate REST JSON API server and client? [closed]
...obile app developers who are starting to use parse.com as their backend in order to enable a fast path to #2.
– Rhb123
Jun 8 '12 at 18:12
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WiX tricks and tips
... <Publish Dialog ="ExitDialog"
Control ="Finish"
Order ="1"
Event ="DoAction"
Value ="CA.StartAppOnExit">WIXUI_EXITDIALOGOPTIONALCHECKBOXTEXT</Publish>
</UI>
If you do it this way, the "standard" appearance isn't quite right. ...
How to securely save username/password (local)?
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I have used this before and I think in order to make sure credential persist and in a best secure way is
you can write them to the app config file using the ConfigurationManager class
securing the password using the SecureString class
then encrypting it using t...
How to automate createsuperuser on django?
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At least on Django 1.11. the order of the arguments is ('username', 'email', 'pass'), not ('email', 'username', 'pass'). See: docs.djangoproject.com/en/1.11/ref/contrib/auth/…
– np8
May 14 '17 at 12:29
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