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What does the tilde before a function name mean in C#?
I am looking at some code and it has this statement:
6 Answers
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How can I set a custom date time format in Oracle SQL Developer?
...LS parameters, enter DD-MON-RR HH24:MI:SS into the Date Format field.
Save and close the dialog, done!
Here is a screenshot:
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Authenticating in PHP using LDAP through Active Directory
...y knowledge, input sanitization isn't required here as ldap_bind would be handling it and special characters aren't an issue.
– ceejayoz
Jan 8 '14 at 21:34
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add a string prefix to each value in a string column using Pandas
... like to append a string to the start of each value in a said column of a pandas dataframe (elegantly).
I already figured out how to kind-of do this and I am currently using:
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Unable to access JSON property with “-” dash
...r : {{ jsonObj.attributes["profile-id"] }}
– BastienSander
May 13 '14 at 10:32
3
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How to round up a number to nearest 10?
...nswer is the most correct with the use of ceil()
– Brandon
May 28 '16 at 21:30
1
TallGreenTree's ...
How do I get the last inserted ID of a MySQL table in PHP?
...se, don't use mysql_* functions in new code. They are no longer maintained and are officially deprecated. See the red box? Learn about prepared statements instead, and use PDO or MySQLi - this article will help you decide which. If you choose PDO, here is a good tutorial.
But if you have to, use m...
How can I determine whether a Java class is abstract by reflection
I am interating through classes in a Jar file and wish to find those which are not abstract. I can solve this by instantiating the classes and trapping InstantiationException but that has a performance hit as some classes have heavy startup. I can't find anything obviously like isAbstract() in the C...
How to debug external class library projects in visual studio?
...le JMC in order to see it. Otherwise the code will be treated as external and largely hidden from your view.
EDIT
When you're broken in your code try the following.
Debug -> Windows -> Modules
Find the DLL for the project you are interested in
Right Click -> Load Symbols -> Select...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
...ies, levels=c(levels(iris$Species), "empty_level"))
# Species is a factor and empty groups are included in the output
iris %>% group_by(Species, .drop=FALSE) %>% tally
#> Species n
#> 1 setosa 50
#> 2 versicolor 50
#> 3 virginica 50
#> 4 empty_level ...