大约有 45,000 项符合查询结果（耗时：0.0456秒） [XML]
MySQL query String contains
...ve been trying to figure out how I can make a query with MySQL that checks if the value (string $haystack ) in a certain column contains certain data (string $needle ), like this:
...
ssl_error_rx_record_too_long and Apache SSL [closed]
...bled on your server. This is the standard port for https communications.
If SSL is using a non-standard port then FireFox 3 can sometimes give this error. Ensure SSL is running on port 443.
If using Apache2 check that you are using port 443 for SSL. This can be done by setting the ports.conf fil...
Determine device (iPhone, iPod Touch) with iOS
...om/1323251
UPDATE (01/14/11)
Obviously, this code is a bit out of date by now, but it can certainly be updated using the code on this thread provided by Brian Robbins which includes similar code with updated models. Thanks for the support on this thread.
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How to prevent IFRAME from redirecting top-level window
Some websites have code to "break out" of IFRAME enclosures, meaning that if a page A is loaded as an IFRAME inside an parent page P some Javascript in A redirects the outer window to A .
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Search code inside a Github project
...at within the ruby repo will be expressed as stat repo:ruby/ruby, and will now just workTM.
(the repo name is not case sensitive: test repo:wordpress/wordpress returns the same as test repo:Wordpress/Wordpress)
Will give:
And you have many other examples of search, based on followers, or on fo...
How to implement a rule engine?
... ExpressionType tBinary;
// is the operator a known .NET operator?
if (ExpressionType.TryParse(r.Operator, out tBinary)) {
var right = Expression.Constant(Convert.ChangeType(r.TargetValue, tProp));
// use a binary operation, e.g. 'Equal' -> 'u.Age == 21'
return Exp...
Pandas: drop a level from a multi-level column index?
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As of Pandas 0.24.0, we can now use DataFrame.droplevel():
cols = pd.MultiIndex.from_tuples([("a", "b"), ("a", "c")])
df = pd.DataFrame([[1,2], [3,4]], columns=cols)
df.droplevel(0, axis=1)
# b c
#0 1 2
#1 3 4
This is very useful if you wan...
Get value from SimpleXMLElement Object
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Just noticed if you json_encode the xml object and then json_decode it you get a nested stdObject to deal with, quite handy for when you're being lazy & working with simple structures :D
– Louis
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Python json.loads shows ValueError: Extra data
...)
ValueError: Extra data: line 1 column 3 - line 1 column 5 (char 2 - 4)
If you want to dump multiple dictionaries, wrap them in a list, dump the list (instead of dumping dictionaries multiple times)
>>> dict1 = {}
>>> dict2 = {}
>>> json.dumps([dict1, dict2])
'[{}, {}]...
Rename a dictionary key
...t;>> oldkey, newkey = '2', 'potato'
>>> OrderedDict((newkey if k == oldkey else k, v) for k, v in _.viewitems())
OrderedDict([('1', 'a'), ('potato', 'b'), ('3', 'c')])
Modifying the key itself, as this question seems to be asking, is impractical because dict keys are usually immutab...