大约有 43,000 项符合查询结果（耗时：0.0520秒） [XML]
file_put_contents - failed to open stream: Permission denied
... the folder
sudo chown -R www-data:www-data /var/www
that should make file_put_contents work now. But for more security you better also set the permissions like below
find /var/www -type d -print0 | xargs -0 chmod 0755 # folder
find /var/www -type f -print0 | xargs -0 chmod 0644 # files
change /v...
How to convert JSON to XML or XML to JSON?
...Jon Story for pointing it out): https://www.newtonsoft.com/json/help/html/T_Newtonsoft_Json_NullValueHandling.htm
JSON -> XML
You need a top level object that will convert to a root XML element or the parser will fail.
Your object names cannot start with a number, as they cannot be converted to ...
How to cast List to List
...n also upcast to (List) instead of to (Object).
– 200_success
Feb 15 '16 at 11:12
add a comme...
Random record from MongoDB
... enable geospatial indexing on a collection:
db.docs.ensureIndex( { random_point: '2d' } )
To create a bunch of documents with random points on the X-axis:
for ( i = 0; i < 10; ++i ) {
db.docs.insert( { key: i, random_point: [Math.random(), 0] } );
}
Then you can get a random document f...
Parse query string in JavaScript [duplicate]
... == aboutus.aspx
And to parse the query string of current page:-
var $_GET = URI(document.URL).query(true); // ala PHP
alert($_GET['dest']); // == aboutus.aspx
share
|
improve this answer...
How to call base.base.method()?
... would use something like this:
class Derived : Base
{
protected bool _useBaseSay = false;
public override void Say()
{
if(this._useBaseSay)
base.Say();
else
Console.WriteLine("Called from Derived");
}
}
Of course, in a real implementation,...
What does an underscore in front of an import statement mean?
...initialization), use the blank identifier as explicit package name:
import _ "lib/math"
In sqlite3
In the case of go-sqlite3, the underscore import is used for the side-effect of registering the sqlite3 driver as a database driver in the init() function, without importing any other functions:
sql.R...
Select2 doesn't work when embedded in a bootstrap modal
...orceFocus = function() {};
Bootstrap 4 renamed the enforceFocus method to _enforceFocus, so you'll need to patch that instead:
$.fn.modal.Constructor.prototype._enforceFocus = function() {};
Explanation copied from link above:
Bootstrap registers a listener to the focusin event which checks wheth...
Can PHP PDO Statements accept the table or column name as parameter?
...er goes directly into the query. So for example:
function buildQuery( $get_var )
{
switch($get_var)
{
case 1:
$tbl = 'users';
break;
}
$sql = "SELECT * FROM $tbl";
}
By leaving no default case or using a default case that returns an error message ...
Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
...values for align-items you could use to override: w3schools.com/cssref/css3_pr_align-items.asp
– Kyle Vassella
Oct 31 '17 at 16:50
...