I have a network method that returns a completion closure and takes Error as a parameter.
I usually avoid forced unpacking, but in this In this case, I use a guard statement to check if the e
Tag: whether
Ruby-on-rails – Is there a reliable online guide converts the RAILS 2 application to RAILS 3?
I have a Rails 2 application and I am considering converting it to use Rails 3.
Is there a coherent, accurate, up-to-date The text document (not a screencast), along the way of “How to conver
VB.NET – How do I determine if the char is A-Z letter?
How do I determine if the letters are in the range of A-Z or numbers 0-9? We received some corrupted data “I_999Š=ÄÖÆaðøñòòñ”.
I thought I could use Char.IsLetterOrDigit(“Š”) to identify the
Unit test – Can I load the library in Lua?
I am making a mpv script, in which I load the mpv library like this:
— script. lua
local mp = require(‘mp’) I am using a broken unit test framework to write tests for this, and they are cont
Does the Lua_State pointer passing to Lua_CFunctions guarantee the same state as the call function?
Context: I am working on a set of bindings, and many of my functions refer to the “global” Lua state. (It is not actually global in the code I am developing, but Local to a specific runtime instanc
How do I check if a matching text is found in the string in Lua?
If at least one specific matching text is found in the text string, I need to make the condition true, for example:
str = “This is some text containing the word tiger.”
if string.match(str, “
How do I determine if I have canceled C objects?
I have an answered previous question in which I described the difficulty of catching exceptions when I try to access an object that has been released by a third-party function. The function sometim
Do you use AKKA Cluster to run separate Actor systems on each host in a distributed system?
This is my assumption based on Stackoverflow reading.
You have multiple system components:
>Database
>Authentication
>Network
As described in the microservice model, each system
Is there an effective algorithm to perform reverse full-text search?
I have a limited list of thousands of keywords (each keyword contains one or more words) in the database. I want to efficiently find which keywords are in a given Enter the text without having to t
Is there a performance principle in the byte order of hybrid binaries?
I am writing a parser for the most common type of geographic data storage. This is a set of files called “shapefiles”. This is my first project and I have to consider Endianness.
It turns out