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ALTER TABLE without locking the table?
.../O overhead associated with copying the table and reconstructing secondary indexes.
see MySQL 5.6 Reference Manual -> InnoDB and Online DDL for more info.
It seems that online DDL also available in MariaDB
Alternatively you can use ALTER ONLINE TABLE to ensure that your ALTER
TABLE does n...
How do I undo 'git add' before commit?
... commit with
git reset <file>
which will remove it from the current index (the "about to be committed" list) without changing anything else.
You can use
git reset
without any file name to unstage all due changes. This can come in handy when there are too many files to be listed one by one in...
1114 (HY000): The table is full
... 1114 (HY000): The table '#sql-310a_8867d7f' is full
if you try to add an index to a table that is using the storage engine MEMORY.
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git diff between two different files
...tterns that are supported for two files is git diff [<options>] --no-index [--] <path> <path>. git diff a b only matches commit patterns, not files.
– Doug
Jul 8 at 5:34
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Is there any algorithm in c# to singularize - pluralize a word?
...vers a small sections of grammar though, it doesn't account for words like quizzes, parties, halves, mice, indices, etc. It's a good first stab, but there are a lot of other rules that should probably be processed first.
– Jeremy S
Jan 12 '10 at 19:23
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Where can I find documentation on formatting a date in JavaScript?
...t, show only the date.
http://www.ecma-international.org/ecma-262/7.0/index.html#sec-date.prototype.todatestring
new Date().toDateString(); // e.g. "Fri Nov 11 2016"
toISOString: Show ISO 8601 date and time.
http://www.ecma-international.org/ecma-262/7.0/index.html#sec-date.protot...
How to get all Errors from ASP.Net MVC modelState?
... Very helpful. Note in some scenarios, such as binding failures and bad requests, there will be ModelState entries with empty string for Value.ErrorMessage and instead a Value.Exception.Message
– AaronLS
Sep 16 '14 at 1:12
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Dump a NumPy array into a csv file
...Frame(np_array).to_csv("path/to/file.csv")
if you don't want a header or index, use to_csv("/path/to/file.csv", header=None, index=None)
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Oracle PL/SQL - How to create a simple array variable?
...xtend(); -- Extend it
array(i) := 'x';
end loop;
end;
The first index is 1 not 0.
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How do you track record relations in NoSQL?
I am trying to figure out the equivalent of foreign keys and indexes in NoSQL KVP or Document databases. Since there are no pivotal tables (to add keys marking a relation between two objects) I am really stumped as to how you would be able to retrieve data in a way that would be useful for normal we...