大约有 26,000 项符合查询结果(耗时:0.0513秒) [XML]
Purpose of “consider_all_requests_local” in config/environments/development.rb?
...n-local requests result in user-friendly error pages. Local requests, assumed to come from developers, see a more useful error message that includes line numbers and a backtrace. consider_all_requests_local allows your app to display these developer-friendly messages even when the machine making t...
What is the meaning of the term “free function” in C++?
While reading the documentation for boost::test, I came across the term "free function". What I understand is that a free function is any function that doesn't return anything (Its return type is void). But after reading further it seems that free functions also don't take any arguments. But I am no...
regex for matching something if it is not preceded by something else
So with regex in java, I want to write a regex that will match if and only if the pattern is not preceded by certain characters. For example:
...
Unique constraint that allows empty values in MySQL
I have a field that stores product codes. The codes are unique, but some products simply doesn't have a code. I can't invent codes because those are providers codes.
...
How to simulate the environment cron executes a script with?
...m http://matthew.mceachen.us/blog/howto-simulate-the-cron-environment-1018.html
share
|
improve this answer
|
follow
|
...
Is there a Mutex in Java?
...this page: http://www.oracle.com/technetwork/articles/javase/index-140767.html
It has a slightly different pattern which is (I think) what you are looking for:
try {
mutex.acquire();
try {
// do something
} finally {
mutex.release();
}
} catch(InterruptedException ie) {
// ...
}...
Java / Android - How to print out a full stack trace?
...}
Retreived from http://developer.android.com/reference/android/util/Log.html#getStackTraceString%28java.lang.Throwable%29
share
|
improve this answer
|
follow
...
Django fix Admin plural
How do I change some models name from "Categorys" to "Categories" on admin site in the new dev django version?
In the old version (whithout admin sites and admin models) you could just do this;
http://www.the-dig.com/blog/post/customize-plural-name-django-admin/
...
How can I append a string to an existing field in MySQL?
I want to update the code on all my record to what they currently are plus _standard any ideas?
2 Answers
...
How do you receive a url parameter with a spring controller mapping
This issue seems trivial, but I can't get it to work properly. I'm calling my Spring controller mapping with jquery ajax. The value for someAttr is always empty string regardless of the value in the url. Please help me determine why.
...
