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When you exit a C application, is the malloc-ed memory automatically freed?
...point. Not all programs make it to graceful exits. Crashes and ctrl-C's, etc. will cause a program to exit in uncontrolled ways. If your OS did not free your heap, clean up your stack, delete static variables, etc, you would eventually crash your system from memory leaks or worse.
Interesting a...
Practical uses for AtomicInteger
...two main uses of AtomicInteger:
As an atomic counter (incrementAndGet(), etc) that can be used by many threads concurrently
As a primitive that supports compare-and-swap instruction (compareAndSet()) to implement non-blocking algorithms.
Here is an example of non-blocking random number generator...
What's the best UML diagramming tool? [closed]
...as use case management, pattern creation, asset creation, RUP integration, etc? (RSA/RSM/IBM Rational Products)
Detailed Examples: IBM Rational Software Architect did not implement UML 2.0 all the way when it comes to realizes type relationships when creating a UML profile, but Visual Paradigm a...
Git error: “Host Key Verification Failed” when connecting to remote repository
...
or, equivalently, let ssh do it for you next time you connect with git fetch, git pull, or git push (or even a plain ol’ ssh domain.com) by answering yes when prompted
The authenticity of host 'domain.com (a.b.c.d)' can't be established.
RSA key fingerprint is XX:XX:...:XX.
Are you sure you wa...
Use tnsnames.ora in Oracle SQL Developer
... $TNS_ADMIN/tnsnames.ora
TNS_ADMIN lookup key in the registry
/etc/tnsnames.ora ( non-windows )
$ORACLE_HOME/network/admin/tnsnames.ora
LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME_KEY
LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME
If your tnsnames.ora file is not getting ...
Bitwise operation and usage
...telecommunication applications (cellular phones, satellite communications, etc).
In the lower level layer of communication, the data is usually sent in what is called frames. Frames are just strings of bytes that are sent through a physical channel. This frames usually contain the actual data plus...
Mark parameters as NOT nullable in C#/.NET?
... it's really about an obsolete style that just propagates through examples etc.
– Jon Skeet
Oct 24 '17 at 7:38
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(13: Permission denied) while connecting to upstream:[nginx]
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Check the user in /etc/nginx/nginx.conf
Change ownership to user.
sudo chown -R nginx:nginx /var/lib/nginx
Now see the magic.
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impr...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...ems.
One other note: if you are using NTFS based storage (windows server, etc) you might consider finding a way around putting thousands and thousands of files in one directory. I am not sure why, but sometimes the file system does not cope well with that situation. If anyone knows more about this ...
presentViewController:animated:YES view will not appear until user taps again
... subtle bug, because if you have the slightest feedback animation, timers, etc. in your code this issue won't surface because the runloop will be kept alive by these sources. I've found the issue by using a UITableViewCell which had its selectionStyle set to UITableViewCellSelectionStyleNone, so tha...