大约有 40,000 项符合查询结果（耗时：0.0498秒） [XML]
querySelector, wildcard element match?
...
object returned by querySelectorAll does not necessarily support filter on all browsers(as it is not always a regular javascript array). Make sure to check this assertion in production, either before the script is generated(if the script is ...
ERROR: permission denied for sequence cities_id_seq using Postgres
... allows the use of the currval and nextval functions.
Also as pointed out by @epic_fil in the comments you can grant permissions to all the sequences in the schema with:
GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO www;
...
Should logger be private static or not
...is. E.g. logger + ctrl+space.
On the other hand, if you obtain the logger by a factory which in turn may cache the already-instantiated loggers, then using the non-static form won't add that much overhead. Log4j for example has a LogManager for this purpose.
protected Log log = LogManager.getLogge...
Using numpad in Vi (Vim) via PuTTY
...
I'd also love to know why it's not enabled by default. Does it break numpad usage in any other application? the.earth.li/~sgtatham/putty/0.60/htmldoc/… BTW disabling app keypad mode also fixes that "," is being entered in bash when you press numpad "+".
...
MySQL Insert Where query
...t does a DELETE (which may be a no-op if the row does not exist), followed by an INSERT. Think of the consequences vis. triggers and foreign key dependencies. Instead, use INSERT...ON DUPLICATE KEY UPDATE.
share
|
...
JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
...andard on JSON naming? I see most examples using all lower case separated by underscore, aka snake_case , but can it be used PascalCase or camelCase as well?
...
Visual Studio Disabling Missing XML Comment Warning
...ummarise, the ways around the warning would be to:
Suppress the warning by changing the project Properties > Build > Errors and warnings > Suppress warnings by entering 1591
Add the XML documentation tags (GhostDoc can be quite handy for that)
Suppress the warning via compiler options
Un...
How to pass an array into a SQL Server stored procedure
...
Based on my experience, by creating a delimited expression from the employeeIDs, there is a tricky and nice solution for this problem. You should only create an string expression like ';123;434;365;' in-which 123, 434 and 365 are some employeeIDs. ...
How do I specify the exit code of a console application in .NET?
... You can also just type the maine program as int (replace void by int) and use e.g. "return -1;" to return from the main program. This is more portable than Environment.Exit() (which depends on the environment).
– werner
Jun 6 '13 at 11:27
...
Eclipse Autocomplete (percent sign, in Juno)
...t you did in between.
See the docs for details:
It assists developers by recommending him only those methods that are actually relevant for his task at hand. For instance, given that a developer just created a text widget makes it obvious for Code Recommenders which methods a developer wants to...