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Why use a prime number in hashCode?
...es by 31 will perform non-optimally. However, I would consider such a hash table implementation poorly designed, given how common 31 as a multiplier is.
– ILMTitan
Aug 31 '10 at 21:42
...
How to iterate over the keys and values with ng-repeat in AngularJS?
...
How about:
<table>
<tr ng-repeat="(key, value) in data">
<td> {{key}} </td> <td> {{ value }} </td>
</tr>
</table>
This method is listed in the docs: https://docs.angularjs.org/api/ng...
How can I check if a View exists in a Database?
...
I like this one. You can use 'u' for tables as well.
– Phillip Senn
Oct 10 '15 at 22:47
2
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Count(*) vs Count(1) - SQL Server
...uld be evaluated as per ANSI
b) Otherwise, let TX be the single-column table that is the
result of applying the <value expression> to each row of T
and eliminating null values. If one or more null values are
eliminated, then a completion cond...
View contents of database file in Android Studio
...-db-name>.db
6- run sqlite3 commands that you like eg:
Select * from table1 where ...;
Note: Find more commands to run below.
SQLite cheatsheet
There are a few steps to see the tables in an SQLite database:
List the tables in your database:
.tables
List how the table looks:
.schem...
Unknown column in 'field list' error on MySQL Update query
...er inside single quotes; e.g.:
$name = "my name"
$query = " INSERT INTO mytable VALUES ( 1 , '$name') "
Note that although the query is enclosed between double quotes, you must enclose any string in single quotes.
share
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Is there a way to access the “previous row” value in a SELECT statement?
I need to calculate the difference of a column between two lines of a table. Is there any way I can do this directly in SQL? I'm using Microsoft SQL Server 2008.
...
What is the difference between the kernel space and the user space?
...ine hardware (and everything else on the machine). To keep the machine as stable as possible, you normally want only the most trusted, well-tested code to run in kernel mode/kernel space.
The stack is just another part of memory, so naturally it's segregated right along with the rest of memory.
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C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ColumnCount();
///使用某个shet，shit，shit
BOOL LoadSheet(long table_index,BOOL pre_load = FALSE);
///通过名称使用某个sheet，
BOOL LoadSheet(const TCHAR* sheet,BOOL pre_load = FALSE);
///通过序号取得某个Sheet的名称
CString GetSheetName(long table_index);
/...
How to Create Multiple Where Clause Query Using Laravel Eloquent?
... You can also pass an array of conditions like this: $users = DB::table('users')->where([ ['status', '=', '1'], ['subscribed', '<>', '1'], ])->get();
– zeros-and-ones
Sep 15 '16 at 19:19
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