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Why is $$ returning the same id as the parent process?
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$$ is defined to return the process ID of the parent in a subshell; from the man page under "Special Parameters":
$ Expands to the process ID of the shell. In a () subshell, it expands to the process ID of the current shell, not the subshell.
In bash 4, you can get the process ID...
Exception handling in R [closed]
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This result from a related google search helped me: http://biocodenv.com/wordpress/?p=15.
for(i in 1:16){
result <- try(nonlinear_modeling(i));
if(class(result) == "try-error") next;
}
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How to use executables from a package installed locally in node_modules?
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You don't have to manipulate $PATH anymore!
From npm@5.2.0, npm ships with npx package which lets you run commands from a local node_modules/.bin or from a central cache.
Simply run:
$ npx [options] <command>[@version] [command-arg]...
By default, npx will ch...
Render basic HTML view?
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From the Express.js Guide: View Rendering
View filenames take the form Express.ENGINE, where ENGINE is the name of the module that will be required. For example the view layout.ejs will tell the view system to require('ej...
Curious null-coalescing operator custom implicit conversion behaviour
...before code generation -- we reduce the expression
result = Foo() ?? y;
from the example above to the moral equivalent of:
A? temp = Foo();
result = temp.HasValue ?
new int?(A.op_implicit(Foo().Value)) :
y;
Clearly that is incorrect; the correct lowering is
result = temp.HasValue ? ...
jQuery.ajax handling continue responses: “success:” vs “.done”?
...ere else in your application. So let's say you want to make this ajax call from a few different places. Rather than passing in your success function as an option to the function that makes this ajax call, you can just have the function return $.ajax itself and bind your callbacks with done, fail, th...
Get Substring between two characters using javascript
I am trying to extract a string from within a larger string where it get everything inbetween a ':' and a ';'.
16 Answers
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where is gacutil.exe?
... it installed.
As @devi mentioned
If you decide to grab gacutil files from existing installation, note
that from .NET 4.0 is three files: gacutil.exe gacutil.exe.config and
1033/gacutlrc.dll
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Received an invalid column length from the bcp client for colid 6
I want to bulk upload csv file data to sql server 2005 from c# code but I am encountering the below error -
7 Answers
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Skip first entry in for loop in python?
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The best way to skip the first item(s) is:
from itertools import islice
for car in islice(cars, 1, None):
# do something
islice in this case is invoked with a start-point of 1, and an end point of None, signifying the end of the iterator.
To be able to skip ite...