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Error : The service is invalid
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Xcode and the GDB connection is quite temperamental. The device and your Mac can become unsynchronised with each other. My checklist for this sort of thing:
Restart Xcode.
Delete the .app from your iOS device, do a Clean then Rebuild.
Disconnect, reconnect ...
Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures
In ASP.NET MVC, you can mark up a controller method with AuthorizeAttribute , like this:
7 Answers
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Is errno thread-safe?
...h , this variable is declared as extern int errno; so my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ?
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Add a properties file to IntelliJ's classpath
...nning a simple Java program from the IntelliJ IDE using the Run->Run menu. It works fine. Now I want to add log4j logging.
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How do I get my Maven Integration tests to run
...ve a maven2 multi-module project and in each of my child modules I have JUnit tests that are named Test.java and Integration.java for unit tests and integration tests respectively. When I execute:
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How to iterate over arguments in a Bash script
...e a complex command that I'd like to make a shell/bash script of. I can write it in terms of $1 easily:
8 Answers
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How to ignore the first line of data when processing CSV data?
...the format of a CSV file and detect whether a header row is present along with the built-in next() function to skip over the first row only when necessary:
import csv
with open('all16.csv', 'r', newline='') as file:
has_header = csv.Sniffer().has_header(file.read(1024))
file.seek(0) # Rew...
Java: Calling a super method which calls an overridden method
...e is no direct way to call SuperClass.method2() from SuperClass.method1() without going though SubClass.method2() unless you're working with an actual instance of SuperClass.
You can't even achieve the desired effect using Reflection (see the documentation of java.lang.reflect.Method.invoke(Object,...
Extracting bits with a single multiplication
...ue used in an answer to another question , and would like to understand it a little better.
5 Answers
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Open a file with su/sudo inside Emacs
... I want to open a file in an existing Emacs session using su or sudo , without dropping down to a shell and doing sudoedit or sudo emacs . One way to do this is
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