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How to replace a string in a SQL Server Table Column
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How can I define a composite primary key in SQL?
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231
Just for clarification: a table can have at most one primary key. A primary key consists of one ...
get dictionary key by value
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671
Values not necessarily have to be unique so you have to do a lookup. You can do something like t...
Why is an int in OCaml only 31 bits?
... and pointers which are actually integers in disguise (those that end with 1). And it still leaves us with all pointers that end in 10 free to do other stuff. Also, most modern operating systems reserve the very low addresses for themselves, which gives us another area to mess around with (pointers ...
Convert a List into an ObservableCollection
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edited Sep 13 '17 at 4:14
Casper
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Scala framework for a Rest API Server? [closed]
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edited Feb 28 '17 at 10:12
community wiki
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How can I assign an ID to a view programmatically?
...Query these child views using placeholder.findViewById(convenientInt);
API 17 introduced View.generateViewId() which allows you to generate a unique ID.
If you choose to keep references to your views around, be sure to instantiate them with getApplicationContext() and be sure to set each referenc...
PHP + MySQL transactions examples
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331
The idea I generally use when working with transactions looks like this (semi-pseudo-code):
try ...
jQuery empty() vs remove()
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empty() will empty the selection of its contents, but preserve the selection itself.
remove()...
Drop a temporary table if it exists
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From SQL Server 2016 you can just use
DROP TABLE IF EXISTS ##CLIENTS_KEYWORD
On previous versions you can use
IF OBJECT_ID('tempdb..##CLIENTS_KEYWORD', 'U') IS NOT NULL
/*Then it exists*/
DROP TABLE ##CLIENTS_KEYWORD
CREATE TABLE ##CLIENT...