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OwinStartup not firing
... In my case I spent hours thinking it wasn't firing due to being unable to set a breakpoint in it.
When debugging OWIN startup in visual studio
IIS Express - Running "F5" will break on the OWIN startup code
IIS - Running "F5" will not break until after OWIN (and global.asax) code is loaded. If y...
Remove an element from a Bash array
... walk through the array, comparing the target to each element, and using unset to delete an exact match.
array=(pluto pippo bob)
delete=(pippo)
for target in "${delete[@]}"; do
for i in "${!array[@]}"; do
if [[ ${array[i]} = $target ]]; then
unset 'array[i]'
fi
done
done
Note th...
Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]
...erver of the API or remote resource (in this case the YouTube server) must set the header, i.e. it is the API hoster who must set this header, and not the API caller.
– 0x4a6f4672
May 23 '12 at 13:15
...
What is the best way to prevent session hijacking?
...To do that, first make sure your login page is HTTPS. When a user logs in, set a secure cookie (meaning the browser will only transmit it over an SSL link) in addition to the regular session cookie. Then, when a user visits one of your "sensitive" areas, redirect them to HTTPS, and check for the pre...
How can I trim leading and trailing white space?
...es when you read your data file. If you use read.csv or read.table you can set the parameterstrip.white=TRUE.
If you want to clean strings afterwards you could use one of these functions:
# Returns string without leading white space
trim.leading <- function (x) sub("^\\s+", "", x)
# Returns str...
How to grep a text file which contains some binary data?
...
Note that this works in a pipeline as well. E.g. set | cat -v | grep variable
– funroll
Sep 28 '16 at 20:01
1
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How to move an element into another element?
... element is moved: it will be moved into the target (not cloned) and a new set consisting of the inserted element is returned - api.jquery.com/appendto
– John K
Jan 13 '14 at 1:10
...
Count the items from a IEnumerable without iterating?
...s existence) were to support additional information, C# would likely get a set yield options statement or something similar to support it. If properly designed, an IEnhancedEnumerator could make things like LINQ much more usable by eliminating a lot of "defensive" ToArray or ToList calls, especiall...
How can prepared statements protect from SQL injection attacks?
...
Here is SQL for setting up an example:
CREATE TABLE employee(name varchar, paymentType varchar, amount bigint);
INSERT INTO employee VALUES('Aaron', 'salary', 100);
INSERT INTO employee VALUES('Aaron', 'bonus', 50);
INSERT INTO employee VA...
Groovy executing shell commands
...
In case you also need to set Environment Variables to this process, make sure to wrap the command in shell. For example, running a Perforce command with env vars: envVars = ["P4PORT=p4server:2222", "P4USER=user", "P4PASSWD=pass", "P4CLIENT=p4workspac...