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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?
...d from years of experience in C that I don't get buffer overruns (or array index out of bounds) if I keep use of it simple. But I've discovered that I do get buffer overruns if I fall into the "excessively tricky" practice of doing other things in the same statement.
So, for my own rules, the use o...
MySQL > Table doesn't exist. But it does (or it should)
I changed the datadir of a MySQL installation and all the bases moved correctly except for one.
I can connect and USE the database. SHOW TABLES also returns me all the tables correctly, and the files of each table exists on the MySQL data directory.
...
How to generate a new Guid in stored procedure?
...ea. While it's simple, it can affect performance when a GUID is used in an index. Have you considered using an Identity column that is an integer value instead?
Here are a couple of articles that might be helpful to read.
Performance Effects of Using GUIDs
as Primary Keys (SQL Server
Magazine)
P...
How can I rotate an HTML 90 degrees?
...
Just as a suggestion to all future readers: always place the prefixed rules before the standards definition. In this case, all browser-prefixed rules should be before the transform: rotate(90deg); rule. The reason would be that typically, you want t...
How do I check if a string is valid JSON in Python?
...SON.
In general, the "Pythonic" philosophy for this kind of situation is called EAFP, for Easier to Ask for Forgiveness than Permission.
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How do I test for an empty string in a Bash case statement?
... text file (finder.txt) that looks like this:
--
./registry/master_person_index.cgi:
SQLClinic::Security::ssn_format($user,$script_name,$local,$Local,$ssn) if $ssn ne "";
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How to define “type disjunction” (union types)?
...str")
case _: Int => println("int")
}
}
And that's it. You can call foo(5) or foo("abc"), and it will work, but try foo(true) and it will fail. This could be side-stepped by the client code by creating a StringOrInt[Boolean], unless, as noted by Randall below, you make StringOrInt a seale...
Opening Vim help in a vertical split window
... when I run :help ____ it always opens like that?
– Tallboy
May 7 '12 at 20:37
13
@Tallboy Try cn...
Does deleting a branch in git remove it from the history?
...y each commit contains a complete tree. In the object database objects are indexed by id so objects are shared between all the objects (trees and commits) that reference them so the implied storage overhead isn't as bad as it initially sounds. git also has an efficient storage optimization (pack fil...
How can I delete all Git branches which have been merged?
...anches which have already been merged? Is there an easy way to delete them all instead of deleting them one by one?
45 Answ...