大约有 43,000 项符合查询结果(耗时:0.0488秒) [XML]

https://stackoverflow.com/ques... 

Is 23,148,855,308,184,500 a magic number, or sheer chance?

...eth Lewis in Owatonna . The thing is that all of them have the exact same charge: $23,148,855,308,184,500.00. If the problem was the space-padding, then how is it that all of them had the exact same $0x1250 ($46.88) charge? Two of them had purchased cigarettes at gas stations, another two had paid ...
https://stackoverflow.com/ques... 

python-pandas and databases like mysql

...a_conn = cx_Oracle.connect('your_connection_string') df_ora = pd.read_sql('select * from user_objects', con=ora_conn) print 'loaded dataframe from Oracle. # Records: ', len(df_ora) ora_conn.close() And here is the equivalent example for MySQLdb: import MySQLdb mysql_cn= MySQLdb.connect(host='...
https://stackoverflow.com/ques... 

INSERT IF NOT EXISTS ELSE UPDATE?

...ike: insert or replace into Book (ID, Name, TypeID, Level, Seen) values ((select ID from Book where Name = "SearchName"), "SearchName", ...); Note that any field not in the insert list will be set to NULL if the row already exists in the table. This is why there's a subselect for the ID column: I...
https://stackoverflow.com/ques... 

What is the difference between string primitives and String objects in JavaScript?

...plains the much faster random access speed. So what happens when you do s.charAt(i) for instance? Since s is not an instance of String, JavaScript will auto-box s, which has typeof string to its wrapper type, String, with typeof object or more precisely s.valueOf(s).prototype.toString.call = [obje...
https://stackoverflow.com/ques... 

Is there a way to make ellipsize=“marquee” always scroll?

... was generally very ordinary — except for the fact that it was marked as selected. One line of code later and I had it working :) textView.setSelected(true); This makes sense, given what the Javadoc says: A view can be selected or not. Note that selection is not the same as focus. Views ar...
https://stackoverflow.com/ques... 

Split column at delimiter in data frame [duplicate]

...OO=c('a|b','b|c','x|y')) foo <- data.frame(do.call('rbind', strsplit(as.character(df$FOO),'|',fixed=TRUE))) Or, if you want to replace the columns in the existing data.frame: within(df, FOO<-data.frame(do.call('rbind', strsplit(as.character(FOO), '|', fixed=TRUE)))) Which produces: ID ...
https://stackoverflow.com/ques... 

Access-control-allow-origin with multiple domains

...r paths = new List<string>(AppSettings.whiteListDomainCors.Split(new char[] { ',' })); foreach (var value in paths) { current.Add(value); } } } I found this guide online and it worked like a charm : http://jnye.co/Posts/2032/dynamic-cors-origins-from-...
https://stackoverflow.com/ques... 

Python argparse ignore unrecognised arguments

...r "recognized" arguments instead. parser = argparse.ArgumentParser(prefix_chars='+') parser.add_argument('+cd') The same command will produce Namespace(_unrecognized_args=['--foo', 'BAR', 'a', 'b'], cd='e') Put that in your pipe and smoke it =) nJoy! ...
https://stackoverflow.com/ques... 

byte + byte = int… why?

...ly thing that happened is an addition of 2 ints. – RichardTheKiwi Apr 3 '11 at 23:22 2 ...
https://stackoverflow.com/ques... 

Select which href ends with some string

Is it possible using jQuery to select all <a> links which href ends with "ABC"? 5 Answers ...