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HashMap with multiple values under the same key
...ion is that it's not obvious that the two maps are related, a programmatic error could see the two maps get out of sync.
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Oracle SQL: Update a table with data from another table
...n = (select...)
never worked for me since set only expects 1 value - SQL Error: ORA-01427: single-row subquery returns more than one row.
here's the solution:
BEGIN
For i in (select id, name, desc from table1)
LOOP
Update table2 set name = i.name, desc = i.desc where id = i.id;
END LOOP;
END;
...
How do I find out which settings.xml file maven is using
..."linux", version: "2.6.32-32-generic", arch: "i386", family: "unix"
[INFO] Error stacktraces are turned on.
[DEBUG] Reading global settings from /usr/java/apache-maven-3.0.3/conf/settings.xml
[DEBUG] Reading user settings from /home/myhome/.m2/settings.xml
...
In this output, you can see that the ...
Datepicker: How to popup datepicker when click on edittext
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This did not work for me. :( I had errors I did not know how to get rid of with the updateLabel method.
– Scalahansolo
Oct 7 '13 at 4:34
16
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C-like structures in Python
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@KurtLiu No, it would probably say TypeError: this constructor takes no arguments
– Evgeni Sergeev
May 23 '15 at 5:15
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How do you get git to always pull from a specific branch?
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I just tried this, and I get the error fatal: Not a valid object name: 'origin/master'. even though origin is a valid remote, and master exists, as per usual, in both repos.
– Ken Williams
Apr 6 '12 at 14:00
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How to amend several commits in Git to change author
...r that. When I pull I get the same "refusing to merge unrelated histories" error mentioned in another answer. I think I need to rebase against that new commit history, but I'd very much appreciate more specific steps.
– enigment
Apr 20 '19 at 23:59
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How do you create a REST client for Java? [closed]
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Once you add error handling and options, it's not really significantly different. If the SE approach seems long, you can always wrap it in a class... :> After two days of debugging JAX-RS library conflicts I'm really fine with 5 extra ...
How to configure socket connect timeout
...ection is connected (if(m_clientSocket.Connected)), if not, pop up timeout error.
private void connect(string ipAdd,string port)
{
try
{
SocketAsyncEventArgs e=new SocketAsyncEventArgs();
m_clientSocket = new Socket(AddressFamily.InterNetwork, SocketT...
Difference between BeautifulSoup and Scrapy crawler?
...of urls being crawled,to be crawled, handle cookies , manage proxy, handle errors, create your own functions to push data to CSV,JSON,XML etc. If you want to speed up than you will have to use other libraries like multiprocessing.
To sum up.
Scrapy is a rich framework that you can use to start wr...