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When should one use final for method parameters and local variables?
...e set by end of construction, making that field reference immutable. This allows safe publication of fields and can avoid the need for synchronization on later reads. (Note that for an object reference, only the field reference is immutable - things that object reference refers to can still change...
drag drop files into standard html file input
...well:
// dragover and dragenter events need to have 'preventDefault' called
// in order for the 'drop' event to register.
// See: https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Drag_operations#droptargets
dropContainer.ondragover = dropContainer.ondragenter = function(evt) {
evt...
How to simulate a click by using x,y coordinates in JavaScript?
...sed to trick a cross-domain iframe document into thinking it was clicked.
All modern browsers support document.elementFromPoint and HTMLElement.prototype.click(), since at least IE 6, Firefox 5, any version of Chrome and probably any version of Safari you're likely to care about. It will even foll...
View markdown files offline [closed]
...plug-ins that work well. I've been using Markdown Preview Plus.
After install, enable "Allow access to file URLs" in Extensions (menu > More tools > Extensions or enter URL chrome://extensions/ instead).
Then drag-n-drop a Markdown file onto Chrome and use your favorite editor to edit.
...
Add and Remove Views in Android Dynamically?
...app like on the original stock Android contacts screen where you press a small icon on the right side of a field and it adds or deletes a field which consists of a TextView and an editTextView (from what I can see).
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Amazon S3 direct file upload from client browser - private key disclosure
...mazon S3 via REST API using only JavaScript, without any server-side code. All works fine but one thing is worrying me...
9...
Fragment Inside Fragment
... current versions of the Android Support package -- or native fragments on API Level 17 and higher -- you can nest fragments, by means of getChildFragmentManager(). Note that this means that you need to use the Android Support package version of fragments on API Levels 11-16, because even though the...
plupload图片上传插件的使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...提供一个高度可用的上传插件。Plupload 目前分为一个核心API 和一个jQuery上传队列部件，这样使你可以直接使用或是自己定制。
plupload特性
Plupload使用jQuery的组件做为选择文件和上传文件的队列组件。
Plupload使用Flash，Silverligh...
Difference between an application server and a servlet container?
...ost of the JavaEE technologies on a servlet-container, but you have to install a standalone implementation of the particular technology.
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Convert Django Model object to dict with all of the fields intact
How does one convert a Django Model object to a dict with all of its fields? All ideally includes foreign keys and fields with editable=False .
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