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How to copy a row and insert in same table with a autoincrement field in MySQL?
...run the first query in MySQL, I get Error Code: 1113. A table must have at least 1 column.
– physicalattraction
Aug 30 '16 at 15:44
3
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Python pandas Filtering out nan from a data selection of a column of strings
...p them:
nms.dropna(thresh=2)
this will drop all rows where there are at least two non-NaN.
Then you could then drop where name is NaN:
In [87]:
nms
Out[87]:
movie name rating
0 thg John 3
1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN ...
LinearLayout not expanding inside a ScrollView
...inearLayout containing everything else, and that LinearLayout should be at least as high as its parent ScrollView, so stuff that's supposed to be on the bottom (of the LinearLayout) is actually, as we want it, at the bottom of the screen (or at the bottom of the ScrollView, in case the LinearLayout'...
Controlling a USB power supply (on/off) with Linux
...
I have found these solutions that at least work for properly configured Terminus FE 1.1 USB hub chip:
1.To turn off power on all USB ports of a hub, you may unbind the hub from kernel using:
echo "1-4.4.4" > /sys/bus/usb/drivers/usb/unbind
to turn power b...
Select + copy text in a TextView?
...
android:textIsSelectable works (at least in ICS - I haven't yet checked in earlier versions)
<TextView
android:id="@+id/deviceIdTV"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textIsSelectable="true"
...
How do I check/uncheck all checkboxes with a button using jQuery?
...-1 as toggle is not meant for working like that: api.jquery.com/toggle (at least the current version)
– estani
Apr 16 '13 at 17:10
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How to validate an email address in JavaScript
...the future, or you can grab ImmortalFirefly's version to make sure they at least put in the effort to make it look real. Depending on your application it may be more likely to come across someone will get mad because you don't accept their unconventional email, rather than someone who causes proble...
How to Programmatically Add Views to Views
...);
Making sure to set the LayoutParams is important. Every view needs at least a layout_width and a layout_height parameter. Also getting the right inner class is important. I struggled with getting Views added to a TableRow to display properly until I figured out that I wasn't passing an instance...
Python Write bytes to file
...
@FelipeValdes it relates to the principle of least surprise/astonishment (en.wikipedia.org/wiki/Principle_of_least_astonishment). Your method would be more aptly named: open_and_detect_file_type()
– henrycjc
Jun 2 at 4:35
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Which characters are illegal within a branch name?
...n begin with a dot . or end with the sequence .lock.
They must contain at least one /. This enforces the presence of a category like heads/, tags/ etc. but the actual names are not restricted. If the --allow-onelevel option is used, this rule is waived.
They cannot have two consecutive dots .. any...