Because of that force-possibility, we need to always check in a concrete instance that it has the lock. That is done on (almost) each request to the server. The server might send a "wrong-lock-id". If that is detected, the client application must delete everything. That was the use-...
compiled into bytecode can run on any operating system or platform that has a compatible jvm installed. this means that a java program developed on a windows machine can run on a linux system without any modifications, as long as the appropriate jvm is present. does jvm offer any security ...
the optimizer is not omnipotent. It does not automatically optimize even the junk SQL statements, and it does not always select the optimal execution plan. You should pay attention when
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state is about to add a function to perform end recovery mian function execution site Observing the above picture, you can move the pointer of esp down to the place where the main function was executed before, but a new problem is coming again. How does the CPU know to move to this add...
MySQL does not cache execution plans, so every statement execution is optimized for the current bind parameter values, therefore avoiding data skew issues. Since version 5.0.5, the MySQL JDBC driver only emulates server-side prepared statements. To switch to server-side prepared statements, both ...
why does it matter which thread runs the code? That should be abstract. Command pattern or strategy is good way to allow a thread to run different code at different times. Ken Blair Ranch Hand Posts: 1078 posted 18 years ago Originally posted by Mr. C Lamont Gilbert: why does it mat...
The basic idea behind tiered compilation is that most of the execution time of a program is spent on a small part of the code (i.e., a few methods). Furthermore, the cost to compile a method (i.e., CPU cycles) is the same whether it executes only once or a million times. Based...
begin tran does the row level lock or table level lock Begin Transaction with If Condition BEGIN TRANSACTION within TRY - CATCH or vice versa Best practice to handle the paging and performance in SQL Stored procedure Best Practice: Use of semi-colon to terminate statements; Best practices in...
By skimming the FAQ, it appears to be Java's answer to Adobe's Flex. You configure UI components with an xml configuration. I'm not sure what format JavaFX apps use, but it does say, "Deploy on the desktop or in the browser". As Sotirios Delimanolis mentioned in a comment below, ...