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Heroku Postgres - terminate hung query (idle in transaction)
... Crane Postgres option and I was running a query on the database from my lom>ca m>l machine when my lom>ca m>l machine crashed. If I run
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MSTest copy file to test run folder
...e got a test which requires an XML file to be read in and then parsed. How m>ca m>n I have this file copied into the test run folder each time?
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CSS3 :unchecked pseudo-class
...onding :unchecked pseudo. Browser support for :not() and :checked is identim>ca m>l, so that shouldn't be a problem.
This may seem inconsistent with the :enabled and :disabled states, especially since an element m>ca m>n be neither enabled nor disabled (i.e. the semantics completely do not apply), however th...
super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
I get some error that I m>ca m>n't figure out. Any clue what is wrong with my sample code?
4 Answers
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Add a new element to an array without specifying the index in Bash
...lue to a shell variable or array index (see Arrays), the ‘+=’ operator m>ca m>n be used to append to or add to the variable's previous value.
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Any equivalent to .= for adding to beginning of string in PHP?
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Nope. But you m>ca m>n do
$foo = "bar" . $foo
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How to convert a dictionary to query string in Python?
... looking for something exactly like urllib.urlencode()!
However, when you m>ca m>ll parse_qs() (distinct from parse_qsl()), the dictionary keys are the unique query variable names and the values are lists of values for each name.
In order to pass this information into urllib.urlencode(), you must "flat...
MongoDB - Update objects in a document's array (nested updating)
...ted). But this might be what you want.
The second part is trickier. We m>ca m>n push a new item to an array without a "my_item_two" as follows:
db.bar.update( {user_id : 123456, "items.item_name" : {$ne : "my_item_two" }} ,
{$addToSet : {"items" : {'item_name' : "my_item_two" , 'pr...
postgresql COUNT(DISTINCT …) very slow
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You m>ca m>n use this:
SELECT COUNT(*) FROM (SELECT DISTINCT column_name FROM table_name) AS temp;
This is much faster than:
COUNT(DISTINCT column_name)
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How to unpack and pack pkg file?
... want to replace one file in pkg. But I must do this under Linux system, bem>ca m>use this is a part of download process. When user starts to download file server must replace one file in pkg.
I have a solution how unpack pkg and replace a file but I dont know how pack again to pkg.
http://emresaglam.co...