大约有 40,000 项符合查询结果（耗时：0.0590秒） [XML]
【拍照图片处理】Attempt to invoke virtual method 'boolean android.grap...
...的处理流程是：先TaifunImage压缩尺寸，在Base64化，调在线api进行识别。
通过调试发现问题是出现在 图片的Resize/Base64化的步骤上，看报错是图片对象为空导致的。
参考了一些英文资料，大致可能原因有：图片被占用，导致读...
CustomWebView拓展：WebViewer的扩展版本，具有更高的自定义性和灵活性 - A...
...活性（适用于 MIT AI2 及其发行版）
最新版本：12
所需 API：21
权限：android.permission.WRITE_EXTERNAL_STORAGE、android.permission.ACCESS_DOWNLOAD_MANAGER、android.permission.ACCESS_FINE_LOCATION、android.permission.RECORD_AUDIO、android.permission.MODIFY_AUDIO_SETTINGS、...
Multiple ModelAdmins/views for same model in Django admin
...l may be registered only once.
class PostAdmin(admin.ModelAdmin):
list_display = ('title', 'pubdate','user')
class MyPost(Post):
class Meta:
proxy = True
class MyPostAdmin(PostAdmin):
def get_queryset(self, request):
return self.model.objects.filter(user = request.user...
set gvim font in .vimrc file
...
So basically for Windows all you need is to add set guifont=Consolas:h11:cANSI to the ~/.vimrc file
– Jasdeep Khalsa
Aug 14 '13 at 15:21
...
Sync data between Android App and webserver [closed]
...
I'll try to answer all your questions by addressing the larger question: How can I sync data between a webserver and an android app?
Syncing data between your webserver and an android app requires a couple of different components on your and...
Iterate over a list of files with spaces
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Seems like pointing out the obvious, but in nearly all simple cases, -exec is going to be cleaner than an explicit loop: find . -iname "foo*" -exec echo "File found: {}" \;. Plus, in many cases you can replace that last \; with+ to put lots of files in the one command.
...
Differences between C++ string == and compare()?
...rmance-wise in your case to use the equality operator.
Longer answer: The API provides a method to check for string equality and a method to check string ordering. You want string equality, so use the equality operator (so that your expectations and those of the library implementors align.) If perf...
If string is empty then return some default value
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ActiveSupport adds a presence method to all objects that returns its receiver if present? (the opposite of blank?), and nil otherwise.
Example:
host = config[:host].presence || 'localhost'
...
Why can templates only be implemented in the header file?
...f;
When reading this line, the compiler will create a new class (let's call it FooInt), which is equivalent to the following:
struct FooInt
{
int bar;
void doSomething(int param) {/* do stuff using int */}
}
Consequently, the compiler needs to have access to the implementation of the m...
How do you implement a class in C? [closed]
...se C (no C++ or object oriented compilers) and I don't have dynamic memory allocation, what are some techniques I can use to implement a class, or a good approximation of a class? Is it always a good idea to isolate the "class" to a separate file? Assume that we can preallocate the memory by assumin...