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Delete specific line number(s) from a text file using sed?
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On my system, when processing large files, sed appears an order of magnitude slower than a simple combination of head and tail: here's an example of the faster way (without in-place mode): delete-line() { local filename="$1"; local lineNum="$2"; head -n $((lineNum-1)) "$filename"; t...
The SMTP server requires a secure connection or the client was not authenticated. The server respons
....Credentials after calling SmtpClient.UseDefaultCredentials = false.
The order is important as setting SmtpClient.UseDefaultCredentials = false will reset SmtpClient.Credentials to null.
share
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i...
LINQ Orderby Descending Query
...need to choose a Property to sort by and pass it as a lambda expression to OrderByDescending
like:
.OrderByDescending(x => x.Delivery.SubmissionDate);
Really, though the first version of your LINQ statement should work. Is t.Delivery.SubmissionDate actually populated with valid dates?
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Rails hidden field undefined method 'merge' error
...he object that backs the form. For example:
controller:
def new
...
@order.service = "test"
...
end</pre>
view:
<%= form_for @order do |f| %>
<%= f.hidden_field :service %>
<%= f.submit %>
<% end %>
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What is the difference between functional and non functional requirement? [closed]
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A system must send an email whenever a certain condition is met (e.g. an order is placed, a customer signs up, etc).
A related non-functional requirement for the system may be:
Emails should be sent with a latency of no greater than 12 hours from such an activity.
The functional requirement...
Concept behind these four lines of tricky C code
...we're going to do (roughly) like the original, and print it out in reverse order, we'll start by putting it in in reverse order. For our first step, we'll just view that bit pattern as a double, and print out the result:
#include <stdio.h>
char string[] = "skcoR++C";
int main(){
printf(...
How do you see recent SVN log entries?
... this option to show ranges of revisions:
To list everything in ascending order:
svn log -r 1:HEAD
To list everything in descending order:
svn log -r HEAD:1
To list everything from the thirteenth to the base of the currently checked-out revision in ascending order:
svn log -r 13:BASE
To ge...
How to overload functions in javascript?
...ault value for an argument if it is not passed.
Named arguments - Argument order becomes irrelevant and you just name which arguments you want to pass to the function.
Below is a section on each of these categories of argument handling.
Variable Arguments
Because javascript has no type checking ...
C library function to perform sort
...0.5.2 The qsort function" Point 4 "If two elements compare as equal, their order in the resulting sorted array is unspecified."
– 12431234123412341234123
Nov 27 '18 at 16:41
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How does LMAX's disruptor pattern work?
...o this the Disruptor supports multi-casting the same messages (in the same order) to multiple consumers. This avoids the need for fork stages in the pipeline.
We also allow consumers to wait on the results of other consumers without having to put another queuing stage between them. A consumer can si...