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Store images in a MongoDB database
...ilename) {
return filename;
},
}));
post req to our db
app.post(‘/api/photo’,function(req,res){
var newItem = new Item();
newItem.img.data = fs.readFileSync(req.files.userPhoto.path)
newItem.img.contentType = ‘image/png’;
newItem.save();
});
...
Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...解为Foo[]与Bar[]要比(Foo,Bar)好很多。(当然，为了某些好的API的设计，可以适当做一些妥协。但是在自己的代码内部，你应该多多使用分解后的容易。
通常来说，需要避免创建更多的对象。更少的对象意味者更少的GC动作，GC会对...
Assert equals between 2 Lists in Junit
...ion/matcher libraries.
Here is a AssertJ solution.
org.assertj.core.api.ListAssert.containsExactly() is what you need : it verifies that the actual group contains exactly the given values and nothing else, in order as stated in the javadoc.
Suppose a Foo class where you add elements and w...
What should I use Android AccountManager for?
...not use an AccountManager without a SyncAdapter before Android 2.2 / Froyo API 8)
With AccountManager / SyncAdapter / ContentProvider:
AccountManager gives users a central point (Settings > Accounts) to define their credentials
Android decides when synchronization can be done via SyncAdapter....
what is the difference between a portlet and a servlet?
...ly strong parallels between these two standards they differ in containers, APIs, life cycle, configuration, deployment, etc.
The main difference between portlet vs. servlet could be that while servlet always responds to single type of action - request, portlet (due to nature of its life cycle and ...
Download a single folder or directory from a GitHub repo
...Option 2: Github gh-page
http://kinolien.github.io/gitzip by using GitHub API, and JSZip, FileSaver.js libraries.
Step1: Input github url to the field at the top-right.
Step2: Press enter or click download for download zip directly or click search for view the list of sub-folders and files.
Step3:...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
...ake custom InfoWindow after a click on a marker with the new Google Maps API v2. I want it to look like in the original maps application by Google. Like this:
...
jQuery text() and newlines
....html().replace(/\n/g,'<br/>'));
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<p id="example"></p>
If you prefer, you can also create a function to do this with a simple call, just like jQuery.text() does:
$.fn.m...
CSRF Token necessary when using Stateless(= Sessionless) Authentication?
...ow body={someJson} to override the default request body. That's really bad API design and extremely risky. Though if your Server App allows http://...?method=POST&body={someJson} you should really overthink what you did there and why and if it's necessary at all. (I'd say in 99,9999% of the case...
Finding index of character in Swift String
... problem that it hides the semantics of string access. Imagine creating an API for accessing linked lists that looks just like the API for an array. People would like write horribly inefficient code.
– Erik Engheim
Nov 21 '14 at 12:48
...