大约有 47,000 项符合查询结果（耗时：0.0633秒） [XML]
NoSql Crash Course/Tutorial [closed]
...uce...so let's create a map function do to the same as a bit of SQL code:
SELECT * FROM users WHERE age > 10
In CouchDB you provide the server with a JavaScript function that gets run against every item in the database...
function (doc)
{
if (doc.objType == "users") {
if (doc.age &...
Android app in Eclipse: Edit text not showing on Graphical layout
... shown in below screenshot.
Instead of "Automatically Pick Best", manually select the one which works for you (API 17 worked for me).
share
|
improve this answer
|
follow
...
how to check and set max_allowed_packet mysql variable [duplicate]
...ass', 'dbname' );
// to get the max_allowed_packet
$maxp = $db->query( 'SELECT @@global.max_allowed_packet' )->fetch_array();
echo $maxp[ 0 ];
// to set the max_allowed_packet to 500MB
$db->query( 'SET @@global.max_allowed_packet = ' . 500 * 1024 * 1024 );
So if you've got a query you exp...
What's the difference between CSS classes .foo.bar (without space) and .foo .bar (with space) [dupli
...nt, .symbol {}
Edit: By request the link to the documentation of the CSS selectors.
share
|
improve this answer
|
follow
|
...
Add a prefix string to beginning of each line
...
You can use Vim in Ex mode:
ex -sc '%s/^/prefix/|x' file
% select all lines
s replace
x save and close
share
|
improve this answer
|
follow
|
...
SVN change username
...r Authentication Data, click on the clear button, and it will allow you to select which connection you wanted to clear userid/pwd for.
After you do this, any checkout or update activity, it will reprompt for the userid and password.
...
Text Editor which shows \r\n? [closed]
...tepad++ for this, open the View menu, open the Show Symbols slide out, and select either "Show all characters" or "Show end-of-line characters".
share
|
improve this answer
|
...
Number of visitors on a specific page
...
Ah, then you'll want to select your page from the report and apply a secondary dimension, such as Source.
– Blexy
Oct 21 '13 at 21:21
...
Sqlite or MySql? How to decide? [closed]
...to want to run several queries at once, or run a workload that has lots of selects and a few updates, and want them to go smoothly etc.
a lot of memory usage, for example, to buffer parts of your 1Tb database in your 32G of memory.
You need to use mysql or some other server-based RDBMS.
Note that...
Removing path and extension from filename in powershell
...
you can use basename property
PS II> ls *.ps1 | select basename
share
|
improve this answer
|
follow
|
...