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Delete a key from a MongoDB document using Mongoose
...doc to plain object and from there use it as usual.
Read more in mongoose api-ref:
http://mongoosejs.com/docs/api.html#document_Document-toObject
Example would look something like this:
User.findById(id, function(err, user) {
if (err) return next(err);
let userObject = user.toObject();
...
How do I programmatically shut down an instance of ExpressJS for testing?
...en call process.exit(0).
Links:
app.close: http://nodejs.org/docs/latest/api/http.html#server.close (same applies for)
process.exit:
http://nodejs.org/docs/latest/api/process.html#process.exit
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开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
... 为用户提供了黑名单功能，用户可以通过 Dashboard 和 HTTP API 将指定客户端加入黑名单以拒绝该客户端访问，除了客户端标识符以外，还支持直接封禁用户名甚至 IP 地址，方便用户灵活管理客户端的连接与访问。数据集成Mosquitto ...
Why is there no Constant feature in Java?
...ot there to change const variables, it is there to pass const variables to APIs that are not const correct, but also do not modify the value. I think the habit of thinking that something const won't change is a good one because if they do change, that means your program contains hacks that might bre...
Eclipse compilation error: The hierarchy of the type 'Class name' is inconsistent
... this was my issue. I included GWT libs, but was missing the Java servlet API jar (servlet-api-3.1.jar from Jetty in this case).
– Jamie
Sep 6 '16 at 14:45
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What is the difference between String and string in C#?
...se the aliases everywhere for the implementation, but the CLR type for any APIs. It really doesn't matter too much which you use in terms of implementation - consistency among your team is nice, but no-one else is going to care. On the other hand, it's genuinely important that if you refer to a type...
Rename a file using Java
...The following is copied directly from http://docs.oracle.com/javase/7/docs/api/index.html:
Suppose we want to rename a file to "newname", keeping the file in the same directory:
Path source = Paths.get("path/here");
Files.move(source, source.resolveSibling("newname"));
Alternatively, suppose we wan...
Change UITextField and UITextView Cursor / Caret Color
... @SteffenAndersen it should behave according to the UIAppearance proxy API documentation.
– DiscDev
Apr 29 '14 at 15:36
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What's the difference between std::move and std::forward
...overflow.com/a/7028318/576911 For forward, if you pass in an lvalue, your API should react as if it receives an lvalue. Normally this means the value will be unmodified. But if it is a non-const lvalue, your API may have modified it. If you pass in an rvalue, this normally means that your API ma...
Force an Android activity to always use landscape mode
... versions you should also specify screenSize : If your application targets API level 13 or higher (as declared by the minSdkVersion and targetSdkVersion attributes), then you should also declare the "screenSize" configuration, because it also changes when a device switches between portrait and lands...