大约有 18,340 项符合查询结果（耗时：0.0188秒） [XML]
Pandas aggregate count distinct
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How about either of:
>>> df
date duration user_id
0 2013-04-01 30 0001
1 2013-04-01 15 0001
2 2013-04-01 20 0002
3 2013-04-02 15 0002
4 2013-04-02 30 0002
>>> df.groupby("date").agg({"duration": np.sum, "user...
Find rows that have the same value on a column in MySQL
...rflow.com/questions/41359879/…
– Syed Asad Abbas Zaidi
Dec 28 '16 at 11:01
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TextView Marquee not working [duplicate]
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working now :)
Code attached below
<TextView
android:text="START | lunch 20.00 | Dinner 60.00 | Travel 60.00 | Doctor 5000.00 | lunch 20.00 | Dinner 60.00 | Travel 60.00 | Doctor 5000.00 | END"
android:id="@+id/MarqueeText"
android:layout_width="fill_parent"
and...
Drop all the tables, stored procedures, triggers, constraints and all the dependencies in one sql st
...dited Jul 26 '11 at 20:43
Mark Cidade
92k3131 gold badges215215 silver badges229229 bronze badges
answered Sep 24 '09 at 18:18
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How to call Android contacts list?
I'm making an Android app, and need to call the phone's contact list. I need to call the contacts list function, pick a contact, then return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work.
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@RequestParam vs @PathVariable
... the controller method would look like:
@RequestMapping(value="/user/{userId}/invoices", method = RequestMethod.GET)
public List<Invoice> listUsersInvoices(
@PathVariable("userId") int user,
@RequestParam(value = "date", required = false) Date dateOrNull) {
...
}
A...
How to run an EXE file in PowerShell with parameters with spaces and quotes
...ync -source:dbfullsql="Data Source=mysource;Integrated Security=false;User ID=sa;Pwd=sapass!;Database=mydb;" -dest:dbfullsql="Data Source=.\mydestsource;Integrated Security=false;User ID=sa;Pwd=sapass!;Database=mydb;",computername=10.10.10.10,username=administrator,password=adminpass
Arg 0 is <-...
iOS app error - Can't add self as subview
...d, which is called after the animation is complete:
navigationController:didShowViewController:animated:
Basically you want to move some code as needed into this method to ensure that no other actions that could cause a change to the NavigationController stack will occur until the animation is fi...
How to check if running as root in a bash script
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The $EUID environment variable holds the current user's UID. Root's UID is 0. Use something like this in your script:
if [ "$EUID" -ne 0 ]
then echo "Please run as root"
exit
fi
Note: If you get 2: [: Illegal number: check if...
Reshaping data.frame from wide to long format
I have some trouble to convert my data.frame from a wide table to a long table.
At the moment it looks like this:
9 Answe...