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MySQLDump one INSERT statement for each data row
...tings. See the discussion of mysqldump option groups for information about selectively enabling or disabling a subset of the options affected by --opt.
--skip-extended-insert
Turn off extended-insert
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Create table in SQLite only if it doesn't exist already
...bles with the name
tablename = 'KABOOM'
cursor.execute("SELECT count(name) FROM sqlite_master WHERE type='table' AND name=? ", (tablename, ))
print(cursor.fetchone()) # this SHOULD BE in a tuple containing count(name) integer.
# check if the db has existing table...
Hidden Features of C++? [closed]
... It's also useful as a way to switch between implementations, whether selecting say thread-safe versus non-thread-safe, or version 1 versus 2.
– Tony Delroy
Jan 24 '11 at 10:22
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How do I find files with a path length greater than 260 characters in Windows?
...$outputFilePath, $false)
Get-ChildItem -Path $pathToScan -Recurse -Force | Select-Object -Property FullName, @{Name="FullNameLength";Expression={($_.FullName.Length)}} | Sort-Object -Property FullNameLength -Descending | ForEach-Object {
$filePath = $_.FullName
$length = $_.FullNameLength
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RESTful way to create multiple items in one request
..., either in read-only or editable fashion. For instance, a user is able to select and POST multiple images to a gallery using a form comprising only a single file input. If the POST request succeeds in its entirety the user is presented with a set of forms for each image resource representation crea...
Calculate text width with JavaScript
...er, div in this case, does not have any other styles applied to it via css selection rules that you may not be cognizant of at the time. Strip all relevant styles from the container before applying the ones you care about before measuring.
– Jason Bunting
Sep 2...
Pass complex parameters to [Theory]
...ssing a custom type as the Theory input which seems to be missing from the selected answer.
– J.D. Cain
Aug 28 '19 at 11:32
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Wolfram's Rule 34 in XKCD [closed]
...ur of rule 34: http://atlas.wolfram.com/01/01/34/
Hilighted rules (Wolfram selection): http://atlas.wolfram.com/01/01/
Index of all 256 rules: http://atlas.wolfram.com/01/01/rulelist.html
The book contains thousands of nice little diagrams.
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Remove columns from DataTable in C#
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Aside from limiting the columns selected to reduce bandwidth and memory:
DataTable t;
t.Columns.Remove("columnName");
t.Columns.RemoveAt(columnIndex);
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Nullable Foreign Key bad practice?
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Using NULL would be a good way to clean up incomplete orders:
SELECT * FROM `orders`
WHERE `started_time` < (UNIX_TIMESTAMP() + 900) AND `customer_id` IS NULL
The above would show orders older than 15 minutes without a related customer ID.
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