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npm throws error without sudo
...nership of directories in the user's home directory, which should be owned by the user.
– user4815162342
Aug 27 '14 at 19:43
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show 28 more ...
Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
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That's interesting. What about consistency by the way? What if there are hundreds of jobs on a queue and the node holding them in ram crashes?
– Mahn
Oct 22 '12 at 14:24
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Argparse: Required arguments listed under “optional arguments”?
...ional. All other parameters are positional parameters and as such required by design (like positional function arguments). It is possible to require optional arguments, but this is a bit against their design. Since they are still part of the non-positional arguments, they will still be listed under ...
Use 'import module' or 'from module import'?
...ule.foo in your code can be tedious and redundant (tedium can be minimized by using import module as mo then typing mo.foo)
from module import foo
Pros:
Less typing to use foo
More control over which items of a module can be accessed
Cons:
To use a new item from the module you have to upda...
Using varchar(MAX) vs TEXT on SQL Server
...ity VARCHAR(MAX) gives you is that it is also can be used with = and GROUP BY as any other VARCHAR column can be. However, if you do have a lot of data you will have a huge performance issue using these methods.
In regard to if you should use LIKE to search, or if you should use Full Text Indexing ...
How do I quickly rename a MySQL database (change schema name)?
...abase < olddbdump.sql
Or to reduce I/O use the following as suggested by @Pablo Marin-Garcia:
mysqladmin -u username -p create newdatabase
mysqldump -u username -v olddatabase -p | mysql -u username -p -D newdatabase
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Use jQuery to change an HTML tag?
... $currentElem.contents().unwrap();
// return node; (Error spotted by Frank van Luijn)
return this; // Suggested by ColeLawrence
}
});
$.fn.extend({
replaceTag: function (newTagObj, keepProps) {
// "return" suggested by ColeLawrence
return this.each(function(...
SQLite - replace part of a string
...t WHERE, SqlLite will tell you that every row in your table was affected. By using the WHERE, you'll only get the dozen or so rows you expected instead of potentially thousands.
– Weston Wedding
May 8 '17 at 18:37
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What is the best Battleship AI?
... which all hit ships are sunk. Otherwise, we try to finish sinking a ship by picking a location to shoot at which eliminates the most possible positions (weighted).
For random shots, compute best location to shoot based on the likelihood of one of the unsunk ships overlapping the location.
adaptive...
Add a properties file to IntelliJ's classpath
... the Compiler settings. Check that "?*.properties" is in there. It's there by default, but that's the only other thing I can think of off the top of my head.
– ColinD
Sep 22 '10 at 4:02
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