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How to invoke a Linux shell command from Java
...orked. Actually I used "sh" instead of "csh".
– Farshid
Jun 2 '12 at 11:12
5
Warning: this soluti...
What is the difference between 'java', 'javaw', and 'javaws'?
...ecified class, and invoking that class's main method.
The javaw command is identical to java, except that with javaw there is no associated console window. Use javaw when you don't want a command prompt window to appear.
javaws command, the "Java Web Start command"
The javaws command launches J...
Interactive search/replace regex in Vim?
...ng Yes/No to apply a singular replacement) you can use a Vim plugin I made called interactive-replace.
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How to convert int to char with leading zeros?
...on works on ints, so there's no need to convert the int to a string before calling the len() function.
Lastly, you are not taking into account the case where the size of your int > the total number of digits you want it padded to (@intLen).
Therefore, a more concise / correct solution is:
CREA...
MongoDB drop every database
...with one of the databases then it would be excluded by the db.getSiblingDB call.
– carlin.scott
Apr 21 '16 at 18:30
3
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How can I create a correlation matrix in R?
..., y=seq(dim(y)[2]), z=COR, xlab="x column", ylab="y column")
text(expand.grid(x=seq(dim(x)[2]), y=seq(dim(y)[2])), labels=round(c(COR),2))
Edit:
Here is an example of custom row and column labels on a correlation matrix calculated with a single matrix:
png("corplot.png", width=5, height=5, units="...
Windows shell command to get the full path to the current directory?
...t of variables displayed by SET. These variable values are
computed dynamically each time the value of the variable is expanded.
If the user explicitly defines a variable with one of these names, then
that definition will override the dynamic one described below:
%CD% - expands to the current dire...
How to view corresponding SQL query of the Django ORM's queryset?
...ns,connection,reset_queries
...
reset_queries() # resets data collection, call whenever it makes sense
...
def query_all():
for c in connections.all():
print(f"Queries per connection: Database: {c.settings_dict['NAME']} {c.queries}")
# and if you just want to count the number of que...
How to repeat last command in python interpreter shell?
...
it's called history-next / history-previous
– DaniPaniz
Nov 8 '17 at 14:49
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Getting the count of unique values in a column in bash
...demonstrates so much of the capability of awk.
– David Mann
Apr 29 '13 at 15:30
This script was helpful for me to det...