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Rake just one migration
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To expand on what Ryan says, if the table has been dropped from the database outside of Rails, rake db:migrate:up VERSION=my_version may do nothing, because the schema_migrations table still says it is has been run. In the same situation ...
Naming threads and thread-pools of ExecutorService
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Guava almost always has what you need.
ThreadFactory namedThreadFactory =
new ThreadFactoryBuilder().setNameFormat("my-sad-thread-%d").build()
and pass it off to your ExecutorService.
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The character encoding of the HTML document was not declared
...'m using firefox. I typed both of them and now it show me nothing on page. What should I do? Thanks in advance
– Hendry Tanaka
Dec 3 '14 at 3:44
1
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Get an object's class name at runtime
...s the Javascript code. So the classes get named things like "a" and "e."
What I ended up doing was having a typeName class in all my objects that the constructor assigns the class name to. So:
export class Person {
id: number;
name: string;
typeName: string;
constructor() {
typeName = "Person";
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Curly braces in string in PHP
What is the meaning of { } (curly braces) in string literals in PHP?
5 Answers
5
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How do I list all tables in a schema in Oracle SQL?
...ins %_OBJECTS. Plus, going against %_OBJECTS leaves a tantalizing hint of what else might be in there!
– Adam Musch
Feb 12 '10 at 16:45
1
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Java: Integer equals vs. ==
...nboxes the value contained by the Integer.
May I add that if you're doing what you're doing, why have the if statement to begin with?
mismatch = ( cdiCt != null && cdsCt != null && !cdiCt.equals( cdsCt ) );
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Ruby convert Object to Hash
Let's say I have a Gift object with @name = "book" & @price = 15.95 . What's the best way to convert that to the Hash {name: "book", price: 15.95} in Ruby, not Rails (although feel free to give the Rails answer too)?
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How to extract extension from filename string in Javascript? [duplicate]
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@Tomalak... this is cool! would you mind explaining what each part of the reg ex is doing?
– Hristo
Feb 8 '12 at 20:03
36
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Get underlined text with Markdown
...brary for Ruby, and I can't find any syntax for getting a text underlined. What is it?
7 Answers
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