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Ruby: Can I write multi-line string with no concatenation?
...
In ruby 2.0 you can now just use %
For example:
SQL = %{
SELECT user, name
FROM users
WHERE users.id = #{var}
LIMIT #{var2}
}
...
How to programmatically display version/build number of target in iOS app?
...called version number. It starts with 1.0 and goes up for major updates to 2.0, 3.0, for minor updates to 1.1, 1.2 and for bug fixes to 1.0.1, 1.0.2 . This number is oriented about releases and new features. It does not have to stop at 9, 1.11.23 is a reasonable version number.
The build number is ...
Google OAuth 2 authorization - Error: redirect_uri_mismatch
...n API Manager menu
Click on Credentials menu. And under OAuth 2.0 Client IDs, you will find your client name. In my case, it is Web Client 1. Click on it and a popup will appear where you can edit Authorized Javascript Origin and Authorized redirect URIs.
Here is a Google article...
Programmatically change log level in Log4j2
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Source
EDITED to reflect changes in the API introduced in Log4j2 version 2.0.2
If you wish to change the root logger level, do something like this :
LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
Configuration config = ctx.getConfiguration();
LoggerConfig loggerConfig = config...
What are markers in Java Logging frameworks and what is a reason to use them?
...marker can be already very useful, the next version of SLF4J, i.e. version 2.0, will allow multiple markers per log statement.
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What's the difference between utf8_general_ci and utf8_unicode_ci?
..., utf8 is a flawed UTF-8 implementation from early MySQL versions which remains only for backward compatibility. The fixed version was given the name utf8mb4.
Note: Newer versions of MySQL have updated Unicode sorting rules, available under names such as utf8mb4_0900_ai_ci for equivalent rules based...
How remove word wrap from textarea?
...an SELFHTML page (an english source is here) that says IE 4.0 and Netscape 2.0 support it. I also tested it in FF 3.0.7 where it works as supposed. Things have changed here, SELFHTML is now a wiki and the english source link is dead.
EDIT2: If you want to be sure every browser supports it, you can ...
Easily measure elapsed time
...vg = (measure<>::duration(func) + measure<>::duration(func)) / 2.0;
and be most useful for clients that
"want to post-process a bunch of durations prior to I/O (e.g. average)"
The complete code can be found here. My attempt to build a benchmarking tool based on chrono is recor...
Is there a literal notation for an array of symbols?
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Yes! This is possible now in Ruby 2.0.0. One way to write it is:
%i{foo bar} # => [:foo, :bar]
You can also use other delimiters, so you could also write %i(foo bar) or %i!foo bar! for example.
This feature was originally announced here:
http://www....
How do I invoke a Java method when given the method name as a string?
...n 6 of Secure Coding Guidelines for the
Java Programming Language, version 2.0).
If you must do it, prefer java.beans to reflection. Beans wraps reflection allowing relatively safe and conventional access.
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