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Run a single migration file
...I don't want to migrate to a certain version I just want to run a specific one.
11 Answers
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What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?
...also occurs when you try and append a node to itself. I just ran into this one myself :-)
– Ben Clayton
Jul 29 '10 at 15:48
5
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Does a javascript if statement with multiple conditions test all of them?
...is, if the left condition is false, it doesn't bother evaluating the right one.
Similarly, the || operator short-circuits if the left condition is true.
EDIT: Though, you shouldn't worry about performance until you've benchmarked and determined that it's a problem. Premature micro-optimization is ...
If I revoke an existing distribution certificate, will it mess up anything with existing apps?
...as the key to sign the app, they finally came back and said, "Just get it done!". So I am wondering how to proceed. If I go into the provisioning portal, and revoke the dist certificate, and then re-assign one, will I then be able to sign the app and upload it without problem?
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How to check for valid email address? [duplicate]
...ed their street address) is usually enough. Something like: it has exactly one @ sign, and at least one . in the part after the @:
[^@]+@[^@]+\.[^@]+
You'd probably also want to disallow whitespace -- there are probably valid email addresses with whitespace in them, but I've never seen one, so th...
What is the quickest way to HTTP GET in Python?
...the content will be a string? I am searching the documentation for a quick one-liner like:
14 Answers
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How to select unique records by SQL
...R()
In the Common Table Expression (CTE), select the ROW_NUMBER(), partitioned by the group column and ordered in the desired order. Then SELECT only the records that have ROW_NUMBER() = 1:
WITH CTE AS (
SELECT *
,row_number() OVER(PARTITION BY word, num ORDER BY id) AS row_num
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Include constant in string without concatenating
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Hehe! But a well deserved +1 for everyone for creativity. :)
– Pekka
Feb 4 '10 at 23:38
60
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How to push both value and key into PHP array
...ing a key-value pair to an array, you already have the key, you don't need one to be created for you. Pushing a key into an array doesn't make sense. You can only set the value of the specific key in the array.
// no key
array_push($array, $value);
// same as:
$array[] = $value;
// key already kno...
LLVM C++ IDE for Windows
...e benefits that IDE can offer such as easy configuration and building with one action.
The only drawback is that it is not ready yet as it lacks of some of the advanced features that LLVM can offer such as Clang analyze and smart auto-completion. The plug-in is also not tested well and may not wor...