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What does “The APR based Apache Tomcat Native library was not found” mean?
... says: "The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path"
The library referred to is bundled into an OS specific dll (tcnative-1.dll) loaded via JNI. It allows tomcat to use OS functionalities not provided ...
Why are dates calculated from January 1st, 1970?
... there any reason behind using date(January 1st, 1970) as default standard for time manipulation? I have seen this standard in Java as well as in Python. These two languages I am aware of. Are there other popular languages which follows the same standard?
...
Getting value of public static final field/property of a class in Java via reflection
... value. If you know the type you can use one of the get methods with null (for static fields only, in fact with a static field the argument passed to the get method is ignored entirely). Otherwise you can use getType and write an appropriate switch as below:
Field f = R.class.getField("_1st");
Clas...
In MySQL, can I copy one row to insert into the same table?
... This is basically the same solution as the OP had already provided for their own problem, albeit with actual temp tables, and slightly cleaner create pattern. I think the OP asked for a better approach to what they were already using, not a clean up of their existing syntax. Don't really u...
IOException: read failed, socket might closed - Bluetooth on Android 4.3
...t-throwing-exception-read-failed ), but none seems to provide a workaround for this issue. Also, as suggested in these threads, re-pairing does not help, and constantly trying to connect (through a stupid loop) also has no effect.
...
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...e INSERT is skipped if it would violate a primary/unique key constraint. For instance, MySQL has INSERT IGNORE .
11 Answ...
How to pass values between Fragments
...eloper site
Often you will want one Fragment to communicate with another, for example to change the content based on a user event. All Fragment-to-Fragment communication is done through the associated Activity. Two Fragments should never communicate directly.
communication between fragments sho...
Get user info via Google API
Is it possible to get information from user's profile via Google API? If it is possible, which API should I use?
8 Answers...
CORS - How do 'preflight' an httprequest?
...n HTTP request to WCF service (that I own). I have read several techniques for working with the cross domain scripting limitations. Because my service must accommodate both GET and POST requests I cannot implement some dynamic script tag whose src is the URL of a GET request. Since I am free to make...
How to change collation of database, table, column?
...code_ci;
Good practice is to change it at table level as it'll change it for columns as well. Changing for specific column is for any specific case.
Changing collation for a specific column:
ALTER TABLE <table_name> MODIFY <column_name> VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8...