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How to edit incorrect commit message in Mercurial? [duplicate]
...evision you want to modify. Choose Modify History->Import MQ. That will convert all the revisions up to and including the selected revision from Mercurial changesets into Mercurial Queue patches. Select the Patch you want to modify the message for, and it should automatically change the screen to...
Unable to Cast from Parent Class to Child Class
...arent and then deserialize it into the child.
var serializedParent = JsonConvert.SerializeObject(parentInstance);
Child c = JsonConvert.DeserializeObject<Child>(serializedParent);
I have a simple console app that casts animal into dog, using the above two lines of code over here
...
Difference between Statement and PreparedStatement
...ters to the DBMS as separate packets of information after the SQL has been converted into a query plan.
– IMSoP
Sep 13 '16 at 15:02
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Why can Java Collections not directly store Primitives types?
...store an int in a List<Integer> the Java compiler will automatically convert it to an Integer.
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What is the most efficient way to loop through dataframes with pandas? [duplicate]
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Note that iterrows is very slow (it converts every row to a series, potentially messing with your data types). When you need an iterator, better to use itertuples
– joris
Jul 29 '15 at 15:46
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Generate random string/characters in JavaScript
...tring method of a number type in javascript takes an optional parameter to convert the number into a given base. If you pass two, for example, you'll see your number represented in binary. Similar to hex (base 16), base 36 uses letters to represent digits beyond 9. By converting a random number to b...
How to export DataTable to Excel
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Try simple code, to convert DataTable to excel file as csv:
var lines = new List<string>();
string[] columnNames = dataTable.Columns
.Cast<DataColumn>()
.Select(column => column.ColumnName)
.ToArray();
var header = ...
Using sphinx with Markdown instead of RST
...er from scratch:
You could cheat and write a "parser" that uses Pandoc to convert markdown to RST and pass that to the RST parser :-).
You can use an existing markdown->XML parser and transform the result (using XSLT?) to the docutils schema.
You could take some existing python markdown parser...
Group by multiple columns in dplyr, using string vector input
...orm(100)
)
# Columns you want to group by
grp_cols <- names(df)[-3]
# Convert character vector to list of symbols
dots <- lapply(grp_cols, as.symbol)
# Perform frequency counts
df %>%
group_by_(.dots=dots) %>%
summarise(n = n())
output:
Source: local data frame [9 x 3]
Grou...
Does Typescript support the ?. operator? (And, what's it called?)
..., including the type conversions such as...
var n: number = +myString; // convert to number
var b: bool = !!myString; // convert to bool
Manual Solution
But back to the question. I have an obtuse example of how you can do a similar thing in JavaScript (and therefore TypeScript) although I'm defi...