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req.body empty on posts
...
In Postman of the 3 options available for content type select "X-www-form-urlencoded" and it should work.
Also to get rid of error message replace:
app.use(bodyParser.urlencoded())
With:
app.use(bodyParser.urlencoded({
extended: true
}));
See https://github.com/expressjs/body...
Where are shared preferences stored?
...nal database to store it. To see it go to,
1) Go to View in the menu bar. Select Tool Windows.
2) Click on Device File Explorer.
3) Device File Explorer opens up in the right hand side.
4) Find the data folder and click on it.
5) In the data folder, you can select another data folder.
6) Try t...
Take screenshots in the iOS simulator
...click on 'Camera' icon/action button, on the top bar of simulator.
OR
Select Save Screen Shot menu item, from File menu.
File => Save Screen Shot
Use ⌘ + S to capture a screen shot.
(Use window + s, if you are using windows/non-apple keyboard).
See for more details: How to change s...
Check if a value exists in pandas dataframe index
...ues or the index by appending the ".values" method, e.g.
g in df.<your selected field>.values
g in df.index.values
I find that adding the ".values" to get a simple list or ndarray out makes exist or "in" checks run more smoothly with the other python tools. Just thought I'd toss that out th...
How do you maintain development code and production code? [closed]
...ready to be deployed into production at any time: the next release, with a selected set of feature branches merged in master.
dev (or integration branch, or 'next') is the one where the feature branch selected for the next release are tested together
maintenance (or hot-fix) branch is the one for th...
Check if checkbox is checked with jQuery
...="chk[]" id="chk[]" value="Bananas" />
Instead, drop the ID, and then select them by name, or by a containing element:
<fieldset id="checkArray">
<input type="checkbox" name="chk[]" value="Apples" />
<input type="checkbox" name="chk[]" value="Bananas" />
</fieldse...
Copy rows from one Datatable to another DataTable?
...et = dtSource.Clone();
DataRow[] rowsToCopy;
rowsToCopy = dtSource.Select("key='" + matchString + "'");
foreach (DataRow temp in rowsToCopy)
{
dtTarget.ImportRow(temp);
}
share
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...
Add unique constraint to combination of two columns
....YourTable
INSTEAD OF INSERT
AS
BEGIN
SET NOCOUNT ON;
IF NOT EXISTS (SELECT 1 FROM inserted AS i
INNER JOIN dbo.YourTable AS t
ON i.column1 = t.column1
AND i.column2 = t.column2
)
BEGIN
INSERT dbo.YourTable(column1, column2, ...)
SELECT column1, column2, ... FROM ins...
How to delete files older than X hours
...
For SunOS 5.10
Example 6 Selecting a File Using 24-hour Mode
The descriptions of -atime, -ctime, and -mtime use the ter-
minology n ``24-hour periods''. For example, a file accessed
at 23:59 is selected by:
example% find . -atime -1 -print...
Dynamic type languages versus static type languages
...ust another property of a datum, like the length of an array, or the first character of a string. And many dynamically typed languages also allow you to write out things like "error: the first character of this string should be a 'z'".
Another thing is that dynamically typed languages have the type ...