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What's quicker and better to determine if an array key exists in PHP?
...y search function, it only checks the presence of a variable in the symbol table and will not iterate over the array. array_key_exists on the other hand will iterate/search for the keys in the first dimension of the specified array.
– Rain
Apr 22 at 3:16
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Is it possible to Pivot data using LINQ?
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Group your data on month, and then project it into a new datatable with columns for each month. The new table would be your pivot table.
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MySQL's now() +1 day
...and `date`. AFAIR these may be reserved words
my version is:
INSERT INTO `table` ( `data` , `date` ) VALUES('".$date."',NOW()+INTERVAL 1 DAY);
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How to update only one field using Entity Framework?
Here's the table
16 Answers
16
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Return a value if no rows are found in Microsoft tSQL
...ut instead of returning a 1, how can I get it to return the value from the table?
– Michael
Aug 10 '16 at 13:34
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Parsing a comma-delimited std::string [duplicate]
...der: std::ctype<char> {
csv_reader(): std::ctype<char>(get_table()) {}
static std::ctype_base::mask const* get_table() {
static std::vector<std::ctype_base::mask> rc(table_size, std::ctype_base::mask());
rc[','] = std::ctype_base::space;
rc['\n'] = ...
How do I check if an array includes a value in JavaScript?
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Also relevant, the ES7 compatibility table (looks like chrome supports it now)
– styfle
Mar 11 '16 at 20:25
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How to change a nullable column to not nullable in a Rails migration?
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This causes problems when the table already has null values. See my answer
– Rick Smith
Aug 8 '14 at 20:27
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How to split text without spaces into list of words?
Input: "tableapplechairtablecupboard..." many words
16 Answers
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How to choose the id generation strategy when using JPA and Hibernate
...that are unique only when no other process is inserting data into the same table. Do not use in a cluster.
identity
supports identity columns in DB2, MySQL, MS SQL Server, Sybase and HypersonicSQL. The returned identifier is of type long, short or int.
sequence
uses a sequence in DB2, PostgreSQL, Or...