to use while and whilst

Generally, there are three ways to traverse an array, for, while, foreach. One of the simplest and most convenient is foreach. So what are the differences between their operations and their performance, which is usually better to use that method.

after JDK1.5, Java.lang.instrument.Instrumentation is provided, that is, the Java Agent mechanism can implement redefinition and retransform of classes. redefinition Correspondenceinstrumentation.redefineclasses () can implement hot replacements for

Learn how to use javascript to solve asynchronous programming exceptions. If you are interested, refer I. Two core difficulties in JavaScript asynchronous programming Asynchronous I/O and event-driven allow single-threaded JavaScript to execute the

After JDK1.5, Java.lang.instrument.Instrumentation is provided, that is, the Java Agent mechanism can implement redefinition and retransform of classes.redefinition corresponds to instrumentation.redefineclasses () to enable hot substitution of

Use the spring-loaded open-source project to implement hot deployment of java programs and web applicationsJDK1.5 and later provide java. lang. instrument. Instrumentation, that is, the java agent mechanism can implement redefinition and retransform

1.Async IntroductionSync is a Process Control toolkit that provides direct and powerful asynchronous functionality. JavaScript is designed for node. JS and can also be used directly in the browser.Async provides approximately 20 functions, including

Today, I suddenly realized that nstimer is a running method that is implemented in multiple threads or in the main thread. Of course, it cannot be as simple as while in the main thread, so nothing can be done. Simply put, nstimer is running in

Running out of disk space in the Pg_xlog directory is a fairly common Postgres problem. This important directory holds the WAL (Write Ahead Log) files. (WAL files contain a record of all changes made to the Database-see the link for more details).

  In later chapters we will look at how to install and use objective-C on Windows and Linux systems for those that do not have access to Mac OS X. if you are planning to develop iPhone applications (or Mac OS X applications for that matter), however,

Add a new article: About C pointer... author: longlongago blog address: http://blog.csdn.net/longlongago2000 today with vc6 encountered a few small problems, although the problem is small, but wasted a lot of time, these problems can be said to be