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How do I analyze a program's core dump file with GDB when it has command-line parameters?
...t the way to use the core file. This could also be the reason you got that error. You can use the core file in the following ways:
gdb <executable> <core-file> or gdb <executable> -c <core-file> or
gdb <executable>
...
(gdb) core <core-file>
When using the cor...
Java: difference between strong/soft/weak/phantom reference
...ists GC cycle until no memory is available and there is risk of OutOfMemoryError (in that case, it can be removed).
On the other hand, a phantom Reference Object is useful only to know exactly when an object has been effectively removed from memory: normally they are used to fix weird finalize() r...
When should I use the new keyword in C++?
...se, there are many times that you code will be much simpler (e.g. handling error cases) using Method 2 (the one without the new)
– Daniel LeCheminant
Mar 18 '09 at 1:04
...
Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
... over 400 commits, the first couple dozen of which were a lot of trial-and-error. We want to clean up these commits by squashing many down into a single commit. Naturally, git-rebase seems the way to go. My problem is that it ends up with merge conflicts, and these conflicts are not easy to resolve....
How do I set a cookie on HttpClient's HttpRequestMessage
...
I've been chasing for several days an error in which requests sent with SendAsync did not send the cookie header; this helped me realize that, unless you set UseCookies = false in the Handler, it will not only use the CookieContainer, but also silently ignore any...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
...ry is located on your root filesystem:
/dev/mapper/qz-root / ext3 errors=remount-ro,acl 0 1
Then remount it:
mount -oremount /
Now, use the following command to set the default ACL:
setfacl -dm u::rwx,g::rwx,o::r /shared/directory
All new files in /shared/directory should now get...
Creating an Android trial application that expires after a fixed time period
...xplicit set your license response to "licensed", "not licensed" or "server error".
If you update your app with an ass-kicking new feature you might want that everyone can try it again. In the configurator you can renew the trial license for users with expired licenses by setting a versioncode that s...
Setting PayPal return URL and making it auto return?
...ch, CURLOPT_TIMEOUT, 30);
$curl_result = @curl_exec($ch);
$curl_err = curl_error($ch);
curl_close($ch);
$req = str_replace("&", "\n", $req); // Make it a nice list in case we want to email it to ourselves for reporting
// Check that the result verifies
if (strpos($curl_result, "VERIFIED") !== ...
What are the mechanics of short string optimization in libc++?
...ferent setting of _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT will create run time errors.
I recommend this flag only be changed by a vendor of libc++.
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How is the java memory pool divided?
...garbage collection. If it still cannot obtain enough memory, an OutOfMemoryError is thrown, and the JVM exits.
The heap is split into several different sections, called generations. As objects survive more garbage collections, they are promoted into different generations. The older generations are ...