大约有 30,000 项符合查询结果（耗时：0.0431秒） [XML]
WCF ServiceHost access rights
I get the following error when going through the WCF tutorial.
10 Answers
10
...
Is null an Object?
...ype null
According to OpenJDKs 12.0.1 javac it is:
true.toString(); // error: boolean cannot be dereferenced
null.toString(); // error: <null> cannot be dereferenced
Where the angle brackets imply that null is of an other than a primitive type. And according to JLS 4.1:
There are tw...
MySQL: multiple tables or one table with many columns?
...char columns, all UTF8. So we easily filled the ~8000 bytes limit and got "error 139 from storage engine" all the time. So we had to split the table. (We tested with the newer Barracuda format and it worked without splitting, but our client's servers still use MySQL 5.0).
– MV....
Is a successor for TeX/LaTeX in sight? [closed]
...
@Joey, it's $2.56 for errors in his technical books, $3.16 for errors in the 3:16 book, and the amount for bugs in TeX and METAFONT started at $2.56 and doubled each year until reaching $327.68.
– Kevin
Oct 6...
PHP substring extraction. Get the string before the first '/' or the whole string
...ce explode returns an array, I should be able to do it right? But I get an error. Any suggestions?
– anon355079
Dec 20 '09 at 14:17
1
...
Using scp to copy a file to Amazon EC2 instance?
...try copy the folder to the root of the system, which would give permission errors on all machines without running sudo (or as root).
– Dobz
Jul 29 '14 at 15:17
...
Using current time in UTC as default value in PostgreSQL
...WITHOUT TIME ZONE DEFAULT (NOW() AT TIME ZONE "UTC") NOT NULL; fails with: ERROR: column "UTC" does not exist. Make sure 'utc' is all lower-case.
– code_dredd
Nov 22 '19 at 1:00
...
Could not load NIB in bundle
...
the error means that there is no .xib file with "JRProvidersController" name.
recheck whether JRProvidersController.xib exists.
you will load .xib file with
controller = [[JRProvidersController alloc] initWithNibName:@"JRProvid...
Execute Python script via crontab
...e the file appears a message: "/tmp/crontab.JTQ0My/crontab":22: bad minute errors in crontab file, can't install. Do you want to retry the same edit? (y/n)" if I type "y", I've returned to file edit. And if I type "n" the file is not saved. I add this line at last line of the file: "/1 * * * * /usr...
PostgreSQL: Which Datatype should be used for Currency?
... That's not why you avoid floating point. Even Numeric will have rounding errors if you divide by anything that doesn't divide into a power of ten, no matter what precision you use. (Precision of 2 is a Bad Idea anyway... check the docs.)
– Doradus
Jan 9 '18 ...