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Synchronously waiting for an async operation, and why does Wait() freeze the program here
...eed to call the callbacks in the captured context, it shouldn't. Being an API method it should handle it internally, rather than forcing all of the callers to move out of the UI context.
– Servy
Jan 23 '13 at 17:10
...
Design Pattern for Undo Engine
...ented depends completely on your implementation. If you can simply make an API call (e.g. ChangeColour(r,g,b)), then precede it with a query to get and save the corresponding state. But the pattern will also support making deep copies, memory snapshots, temp file creation etc - it's all up to you as...
Best way to create custom config options for my Rails app?
...Rails.configuration.neo4j['port'] #=>7474
More info
Rails official API document describes config_for method as:
Convenience for loading config/foo.yml for the current Rails env.
If you do not want to use a yaml file
As Rails official guide says:
You can configure your own code t...
Convert Float to Int in Swift
...the best answer, since it raises the awareness of rounding and its related API, so that the developer can take more control and responsibility. FloatingPointRoundingRule
– Juguang
Aug 7 at 10:14
...
Purpose of Django setting ‘SECRET_KEY’
...ocumentation for the ‘SECRET_KEY’ setting.)
The cryptographic signing API in Django is available to any app for cryptographically-secure signatures on values. Django itself makes use of this in various higher-level features:
Signing serialised data (e.g. JSON documents).
Unique tokens for a u...
Vagrant stuck connection timeout retrying
...ile should look like more or less as below:
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
config.ssh.username = "vagrant"
config.ssh.password = "vagrant"
config.vm.provider "virtualbox" do |vb|
vb.gui = true
end
end
In my case even if GUI was displayed I got black screen...
Practical use of `stackalloc` keyword
...I just want to point out that
Stackalloc can also be used to call native APIs
Many native functions requires the caller to allocate a buffer to get the return result. For example, the CfGetPlaceholderInfo function in cfapi.h has the following signature.
HRESULT CfGetPlaceholderInfo(
HANDLE ...
Appending an element to the end of a list in Scala
...rformance characteristics section in scala-lang.org/docu/files/collections-api/collections.html
– Arjan Blokzijl
Oct 17 '11 at 14:12
29
...
How to inject dependencies into a self-instantiated object in Spring?
... the autowiring happens: static.springsource.org/spring/docs/3.0.x/javadoc-api/org/…
– Sean Patrick Floyd
Sep 28 '10 at 14:29
...
How can I implement a tree in Python?
...Udo/Dan/Jan'), Node('/Udo/Dan/Joe'))
Features
anytree has also a powerful API with:
simple tree creation
simple tree modification
pre-order tree iteration
post-order tree iteration
resolve relative and absolute node paths
walking from one node to an other.
tree rendering (see example above)
node a...