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Maximum number of records in a MySQL database table
...ey over more than one column.
There are other constraints on table size besides number of rows. For instance you could use an operating system that has a file size limitation. Or you could have a 300GB hard drive that can store only 300 million rows if each row is 1KB in size.
The limits of databa...
Scaling Node.js
I'm fairly new to large-scale server-side development. I want to write a server using Node.js, but before I forge ahead I'd like to know what the general principles are for scaling node up to, say, 20 queries per second.
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git rebase fatal: Needed a single revision
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You need to provide the name of a branch (or other commit identifier), not the name of a remote to git rebase.
E.g.:
git rebase origin/master
not:
git rebase origin
Note, although origin should resolve to the the ref origin/HEAD when ...
gitignore all files of extension in directory
... @haren it's not the only solution - Joey's answer is certainly valid as well. Choose whatever works best for you. I'd argue that ignore rules local to a directory should be in that directory, and that global rules should be global. (Also, this answer is ancient and I don't think ** was supp...
How do I move a tab in Notepad++ to a new window?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
CSS: how to add white space before element's content?
...nicode of a non breaking space :
p:before { content: "\00a0 "; }
See JSfiddle demo
[style improved by @Jason Sperske]
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How can I check if a key exists in a dictionary? [duplicate]
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if key in array:
# do something
Associative arrays are called dictionaries in Python and you can learn more about them in the stdtypes documentation.
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Are static fields open for garbage collection?
...arbage collected. The exception is String pool.
So before you suddenly decide to do
private static MyGiantClass myGiantObject = new MyGiantClass()
Think twice as I have learnt the hard way.
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How do I interactively unstage a particular hunk in git?
...tash pop to get back the old changes, and diff to apply the changes you undid. Quite cumbersome... :-(
– Aasmund Eldhuset
Mar 4 '11 at 1:02
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Checking oracle sid and database name
I want to check SID and current database name.
6 Answers
6
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