大约有 16,380 项符合查询结果（耗时：0.0472秒） [XML]
Eclipse debugger always blocks on ThreadPoolExecutor without any obvious exception, why?
I'm working on my usual projects on Eclipse, it's a J2EE application, made with Spring, Hibernate and so on. I'm using Tomcat 7 for this (no particular reason, I don't exploit any new feature, I just wanted to try that). Every time I debug my application, it happens that Eclipse debugger pops out li...
BigDecimal - to use new or valueOf
I came across two ways of getting BigDecimal object out of a double d.
3 Answers
3
...
What does “Content-type: application/json; charset=utf-8” really mean?
When I make a POST request with a JSON body to my REST service I include Content-type: application/json; charset=utf-8 in the message header. Without this header, I get an error from the service. I can also successfully use Content-type: application/json without the ;charset=utf-8 portion.
...
What is the effect of encoding an image in base64?
If I convert an image (jpg or png) to base64, then will it be bigger, or will it have the same size? How much greater will it be?
...
Java regex capturing groups indexes
...ern) creates a group that has capturing property.
A related one that you might often see (and use) is (?:pattern), which creates a group without capturing property, hence named non-capturing group.
A group is usually used when you need to repeat a sequence of patterns, e.g. (\.\w+)+, or to specif...
Angularjs $q.all
I have implemented the $q.all in angularjs, but I can not make the code work. Here is my code :
3 Answers
...
Inserting a Link to a Webpage in an IPython Notebook
How is this done? I'd like to have the link be in a markdown cell.
5 Answers
5
...
How can I push to my fork from a clone of the original repo?
I created a fork (let's call it myrepo ) of another repository (let's call it orirepo ) on GitHub. Later, I cloned orirepo .
...
“x not in y” or “not x in y”
When testing for membership, we can use:
6 Answers
6
...
“You are on a branch yet to be born” when adding git submodule
I am attempting to add a few submodules to my .vim/bundles directory, and when I attempt to add this particular repo Git gives me a strange error I've never seen before:
...