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Persist javascript variables across pages? [duplicate]
... Ref for implementation: developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Storage
– 0xc0de
Feb 26 '14 at 13:24
3
...
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();
});
...
How to check “hasRole” in Java Code with Spring Security?
...
Spring Security 3.0 has this API
SecurityContextHolderAwareRequestWrapper.isUserInRole(String role)
You'll have to inject the wrapper, before you use it.
SecurityContextHolderAwareRequestWrapper
...
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...
How Do I Fetch All Old Items on an RSS Feed?
... be available from another source.
Archive.org’s Wayback Machine has an API to access historical content, including RSS feeds (if their bots have downloaded it). I’ve created the web tool Backfeed that uses this API to regenerate a feed containing concatenated historical items. If you'd like to...
Difference between HBase and Hadoop/HDFS
...ovide you multiple mechanisms to access the data, like the shell and other APIs.
And, HBase stores data as key/value pairs in a columnar fashion while HDFS stores data as flat files. Some of the salient features of both the systems are :
Hadoop
Optimized for streaming access of large files.
Follo...
$apply already in progress error
... https://docs.angularjs.org/error/$rootScope/inprog
The part Inconsistent API (Sync/Async) is very interesting:
For example, imagine a 3rd party library that has a method which will retrieve data for us. Since it may be making an asynchronous call to a server, it accepts a callback function, wh...
How to select rows from a DataFrame based on column values?
...sitional indexing (df.iloc[...])
Label indexing (df.xs(...))
df.query(...) API
Below I show you examples of each, with advice when to use certain techniques. Assume our criterion is column 'A' == 'foo'
(Note on performance: For each base type, we can keep things simple by using the pandas API or ...
Is it possible to set a custom font for entire of application?
...ypeface">monospace</item>
</style>
</resources>
API 21 Android 5.0
I've investigated the reports in the comments that it doesn't work and it appears to be incompatible with the theme android:Theme.Material.Light.
If that theme is not important to you, use an older theme,...
window.close and self.close do not close the window in Chrome
...nkey and Tampermonkey could reasonably provide this functionality in their API (essentially packaging the extension work for you).
Consider making a feature request.
The hacky workarounds:
Chrome is currently was vulnerable to the "self redirection" exploit. So code like this used to work in ...