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When to use the different log levels
...example, expected transient environmental conditions such as short loss of network or database connectivity should be logged as Warnings, not Errors. Viewing a log filtered to show only warnings and errors may give quick insight into early hints at the root cause of a subsequent error. Warnings sh...
Generate a random point within a circle (uniformly)
... don't swap when b < a we can achieve this! e.g. in javascript jsfiddle.net/b0sb5ogL/1
– Guilherme
Jan 23 '15 at 20:44
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How do you organize your version control repository?
...t prevent it from being built in the IDE, if feasible).
Consider nAnt for .NET projects on Windows, or something similar based on your OS, target platform, etc.
Make every project build script reference its external (3rd-party) dependencies from a single local shared "library" directory, with every ...
Why use symbols as hash keys in Ruby?
...11/the-difference-between-ruby-symbols-and-strings
http://www.randomhacks.net.s3-website-us-east-1.amazonaws.com/2007/01/20/13-ways-of-looking-at-a-ruby-symbol/
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Simple Digit Recognition OCR in OpenCV-Python
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Hello, could we load a trained net to use?
– yode
Jul 11 '18 at 6:47
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How and when to use ‘async’ and ‘await’
...context of the original thread that it was running on. For example, in ASP.NET you have an HttpContext which is tied to a thread when a request comes in. This context contains things specific to the original Http request such as the original Request object which has things like language, IP address,...
Java to Clojure rewrite
... access routines that can persist these structures to/from the database or network or legacy Java code as needed. The reason to keep this very separate is that you don't want persistence logic tied up with your "business logic" functions. You might want to look at ClojureQL for this, though it's als...
What is the “owning side” in an ORM mapping?
...a owning side:
@Entity
@Table(name="PERSONS")
public class Person {
@OneToMany
private List<IdDocument> idDocuments;
}
@Entity
@Table(name="ID_DOCUMENTS")
public class IdDocument {
@ManyToOne
private Person person;
}
From a OO point of view this mapping defines not one bi-...
Should 'using' directives be inside or outside the namespace?
...rective. Using directives are purely a C#ism, and they have no meaning to .NET itself. (Not true for using statements but those are something quite different.)" groups.google.com/group/wpf-disciples/msg/781738deb0a15c46
– Chris McKee
Aug 24 '11 at 21:52
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Are there disadvantages to using a generic varchar(255) for all text-based fields?
...s before the @, up to 255 bytes after. Never more, lest you break the Internet.
North American Phone Numbers are never more than 10 digits (excluding the country code).
Computers running (recent versions of) Windows cannot have computer names longer than 63 bytes, though more than 15 is not recomme...