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Xcode stuck on Indexing
...at I accidentally defined a class as its own subclass. I got no warning or error for this but the compiling got stuck.
class mainClass : mainClass
{
...
}
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Which regular expression operator means 'Don't' match this character?
*, ?, + characters all mean match this character. Which character means 'don't' match this? Examples would help.
4 Answers...
What HTTP status response code should I use if the request is missing a required parameter?
...was unable to process the contained
instructions. For example, this error condition may occur if an XML
request body contains well-formed (i.e., syntactically correct), but
semantically erroneous, XML instructions.
They state that malformed xml is an example of bad syntax (calli...
Remove Server Response Header IIS7
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This causes a runtime error in casini... / ASP.NET Dev server
– UpTheCreek
Feb 3 '11 at 14:52
2
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How to check if there exists a process with a given pid in Python?
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Sending signal 0 to a pid will raise an OSError exception if the pid is not running, and do nothing otherwise.
import os
def check_pid(pid):
""" Check For the existence of a unix pid. """
try:
os.kill(pid, 0)
except OSError:
retu...
How to automatically start a service when running a docker container?
...at like tail -F
CMD service mysql start && tail -F /var/log/mysql/error.log
This is often preferred when you have a single service running as it makes the outputted log accessible to docker.
Or use foreground command to do this
CMD /usr/bin/mysqld_safe
This works only if there is ...
How to make shallow git submodules?
...t 5dd1d59, 10 Dec 2019)
submodule--helper: advise on fatal alternate error
Signed-off-by: Jonathan Tan
Acked-by: Jeff King
When recursively cloning a superproject with some shallow modules defined in its .gitmodules, then recloning with "--reference=<path>", an error occurs. ...
How are multi-dimensional arrays formatted in memory?
In C, I know I can dynamically allocate a two-dimensional array on the heap using the following code:
6 Answers
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Maximum single-sell profit
...e we are given an array of n integers representing stock prices on a single day. We want to find a pair (buyDay, sellDay) , with buyDay ≤ sellDay , such that if we bought the stock on buyDay and sold it on sellDay , we would maximize our profit.
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window.close and self.close do not close the window in Chrome
...from a Greasemonkey / Tampermonkey / userscript you will get:
Firefox: The error message, "Scripts may not close windows that were not opened by script."
Chrome: just silently fails.
The long-term solution:
The best way to deal with this is to make a Chrome extension and/or Firefox add-on inst...