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What was the strangest coding standard rule that you were forced to follow? [closed]
...h one you'll get, but I really really hate when I have to preface database table names with 'tbl'
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answered Oct 20 '08 at 11:41
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Why do we always prefer using parameters in SQL statements?
...ommands against your database, including deleting it If they wrote 0; Drop Table employee:
SELECT empSalary from employee where salary = 0; Drop Table employee
The table employee would then be deleted.
In your case, it looks like you're using .NET. Using parameters is as easy as:
C#
string s...
Error in finding last used cell in Excel with VBA
...ow
Else
lastrow = 1
End If
End With
Find Last Row in a Table (ListObject)
The same principles apply, for example to get the last row in the third column of a table:
Sub FindLastRowInExcelTableColAandB()
Dim lastRow As Long
Dim ws As Worksheet, tbl as ListObject
Set ws = Sheets(...
Select row with most recent date per user
I have a table ("lms_attendance") of users' check-in and out times that looks like this:
11 Answers
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Can I bind an array to an IN() condition?
...'));
$db = new PDO(...);
$stmt = $db->prepare(
'SELECT *
FROM table
WHERE id IN(' . $inQuery . ')'
);
// bindvalue is 1-indexed, so $k+1
foreach ($ids as $k => $id)
$stmt->bindValue(($k+1), $id);
$stmt->execute();
?>
fix: dan, you were right. fixed the code (did...
数据存储组件 · App Inventor 2 中文网
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The callback event for the AddCol block, called once the
values on the table have been updated. Additionally, this returns the
column number for the new column.
FinishedAddRow(rowNumber)
The callback event for the AddRow block, called once the
values on the table have been updated. Additio...
Remove rows with all or some NAs (missing values) in data.frame
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If performance is a priority, use data.table and na.omit() with optional param cols=.
na.omit.data.table is the fastest on my benchmark (see below), whether for all columns or for select columns (OP question part 2).
If you don't want to use data.table, use comple...
How do you check “if not null” with Eloquent?
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If you wanted to use the DB facade:
DB::table('table_name')->whereNotNull('sent_at')->get();
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How to Implement Custom Table View Section Headers and Footers with Storyboard
...simply drag a UIView onto the canvas, lay it out and then set it in the tableView:viewForHeaderInSection or tableView:viewForFooterInSection delegate methods.
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Why do x86-64 systems have only a 48 bit virtual address space?
...nted hacks do not count as address space in my book. There's no way for portable software to make any use of them.
– R.. GitHub STOP HELPING ICE
Jul 17 '11 at 6:00
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