大约有 46,000 项符合查询结果（耗时：0.0627秒） [XML]
Efficiently updating database using SQLAlchemy ORM
I'm starting a new application and looking at using an ORM -- in particular, SQLAlchemy.
6 Answers
...
How does the C# compiler detect COM types?
... +1 for being awesome by writing the accepted answer when Eric Lippert and Jon Skeet also answered ;) No, really, +1 for mentioning CoClass.
– OregonGhost
Jul 10 '09 at 16:16
...
How to do date/time comparison
... options in doing date comparison in Go? I have to sort data based on date and time - independently. So I might allow an object that occurs within a range of dates so long as it also occurs within a range of times. In this model, I could not simply just select the oldest date, youngest time/latest d...
Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)
... easiest way to upgrade to it, short of installing a separate copy of juno and re-installing all my existing plugins from 3.7 into it?
...
How to check if an int is a null
.... you need to do
if (person != null){ // checks if person is not null
}
and
if(person.equals(null))
The above code would throw NullPointerException when person is null.
share
|
improve this an...
How to check if a String is numeric in Java
...
With Apache Commons Lang 3.5 and above: NumberUtils.isCreatable or StringUtils.isNumeric.
With Apache Commons Lang 3.4 and below: NumberUtils.isNumber or StringUtils.isNumeric.
You can also use StringUtils.isNumericSpace which returns true for empty st...
Change text color based on brightness of the covered background area?
... a while already, so now I want to know your opinions, possible solutions, and so on.
8 Answers
...
How do I share IntelliJ Run/Debug configurations between projects?
...tions.
The share check-mark pulls the setting out of your workspace.xml and instead puts it in the directory .idea\runConfigurations. This is designed so you can share the setting with others.
You could copy this file and put it in the same location in all your idea projects.
However, in the fu...
“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
...Connector/J, configure the MySQL server with character_set_server=utf8mb4, and leave characterEncoding out of the Connector/J connection string. Connector/J will then autodetect the UTF-8 setting.
share
|
...
Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
...riation using strip can be quite inefficient.
– Marc-André Lafortune
May 2 '13 at 13:26
10
anoth...