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What is the native keyword in Java for?
...corresponds to the native code under lib/arm64-v8a/libnative-lib.so.
TODO confirm: furthermore, file /data/app/com.android.appname-*/oat/arm64/base.odex, says it is a shared library, which I think is the AOT precompiled .dex corresponding to the Java files in ART, see also: What are ODEX files in A...
MySQL Update Inner Join tables query
...ded a syntax error, I created some tables that I could test it against and confirmed that there is no syntax error in my query:
mysql> create table business (business_id int unsigned primary key auto_increment, mapx varchar(255), mapy varchar(255)) engine=innodb;
Query OK, 0 rows affected (0.01 ...
IntelliJ IDEA JDK configuration on Mac OS
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
...bers. The HttpClient was designed to be re-used across requests. This was confirmed by guys on the BCL team who wrote it.
A recent project I had was to help a very large and well-known online computer retailer scale out for Black Friday/holiday traffic for some new systems. We ran into some perfo...
IPN vs PDT in Paypal
...nstantly and can do any additional processing required and show the user a confirmation page.
With IPN you are guaranteed to be notified that the payment was received even if the user's computer explodes before it can send you the PDT.
Implement both and get the best of both worlds. But if you're...
NuGet Package Manager errors when trying to update
...
Confirmed this works. Launched VS2010 with admin privs. Opened extension manager. Uninstalled NuGet. Restarted VS2010 as admin. Opened extension manager. Searched online gallery for NuGet. Installed, restarted VS2010 as admin...
How do I enlarge an EER Diagram in MySQL Workbench?
...iagram" tab;
Uncheck "Use defaults from global settings..." at the bottom;
Confirm "Ok". This may crash Workbench, depending on the version and/or operating system.
Either way, "Model > Diagram Properties and Size..." should now be enabled, even if you had to reopen Workbench.
...
What is private bytes, virtual bytes, working set?
...bjsize, this should show any pinned objects in the immediate heap. You can confirm by checking the eeheap -gc. This should show you where the volume is stuck. Typically, if no hints are available with all of the above commands, your private bytes are consumed by uncollected objects in GC. Now move o...
How can I tell if a DOM element is visible in the current viewport?
...onDOMContentLoaded', handler); // Internet Explorer 9+ :(
attachEvent('onload', handler);
attachEvent('onscroll', handler);
attachEvent('onresize', handler);
}
*/
If you do any DOM modifications, they can change your element's visibility of course.
Guidelines and common pitfalls:
M...
Equivalent of strace -feopen < command > on mac os X
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...