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The Ruby %r{ } expression
..., making complex regexps more readable. Example from GitHub's Ruby style guide:
regexp = %r{
start # some text
\s # white space char
(group) # first group
(?:alt1|alt2) # some alternation
end
}x
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Checking whether a variable is an integer or not [duplicate]
... before I give data to a database query when wanting to fetch an objetc by id, which is an integer, I check if input is actually and integer and useable before handing it to the database layer.
– Henning
Jun 15 '13 at 9:49
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How to delete large data of table in SQL without log?
...d, it may be a better option to delete less than 5000 rows at a time to avoid lock escalation.
– Daniel
Dec 9 '16 at 14:01
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Can bash show a function's definition?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Use NUnit Assert.Throws method or ExpectedException attribute?
... bit of logic, so wouldn't testing two errors in the same unit test be considered bad practice?
– SamuelDavis
Feb 22 '13 at 0:03
5
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Is there a Newline constant defined in Java like Environment.Newline in C#?
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As of Java 7 (and Android API level 19):
System.lineSeparator()
Documentation: Java Platform SE 7
For older versions of Java, use:
System.getProperty("line.separator");
See https://java.sun.com/docs/books/tutorial/essential/environment/sys...
Force git stash to overwrite added files
... merge will touch files with local changes, git will refuse to merge. Individual files can be checked out from the stash using
$ git checkout stash -- <paths...>
or interactively with
$ git checkout -p stash
share...
How to escape special characters in building a JSON string?
...is bad because :
It IS contrary to the specs
It is no-longer JSON valid string
But it works, as you want it or not.
For new readers, always use a double quotes for your json strings.
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optional parameters in SQL Server stored proc?
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what if the parameter is type of uniqueidentifier? ex. @userId uniqueidentifier
– R K Sharma
Dec 4 '15 at 12:25
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Is the safe-bool idiom obsolete in C++11?
This answer of @R. Martinho Fernandes shows, that the safe-bool idiom is apperently deprecated in C++11, as it can be replaced by a simple
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