大约有 32,000 项符合查询结果（耗时：0.0494秒） [XML]
Elegant setup of Python logging in Django
...LOG_LEVEL = 'DEBUG' if DEBUG else 'INFO'
...
'level': LOG_LEVEL
...
Then in my python code I always add a NullHandler in case no logging conf is defined whatsoever. This avoid warnings for no Handler specified. Especially useful for libs that are not necessarily called only in Django (ref)
i...
Determine if a sequence contains all elements of another sequence using Linq [duplicate]
...rates the source sequence once, stores the values (I think as a hash set), then iterates the target sequence once, removing its items from the set. LINQ is heavily optimized for minimum iteration.
– Bryan Watts
Nov 18 '11 at 14:07
...
@UniqueConstraint annotation in Java
...
Ex : if any time either the value of column1 or column2 value matches then you will get UNIQUE_CONSTRAINT Error.
Way2 :
@Entity
@Table(name = "table_name", uniqueConstraints={@UniqueConstraint(columnNames ={"column1","column2"})})
-- Here both column1 and column2 combined values acts as un...
Is it .yaml or .yml?
... we see in practice that the "linguistic" pressure (in natural use) to lengthen the abbreviation in question to four (4) characters is weak, and the "linguistic" pressure to shorten this abbreviation to three (3) characters is strong.
Purely as a result, probably, of these factors (and not as an of...
What's the difference between QMainWindow, QWidget and QDialog?
...e to create a QWidget and set it as a central widget for QMainWin and just then in QWidget you could setLayout(QLayout *). While you could avoid additional headaches just by using QWidget. Sure, QMainWindow offers that easy setup of the ToolBar and StatusBar but you can do that yourself in QWidget.....
Getting a structural type with an anonymous class's methods from a macro
...cro that defines an anonymous class with some type members or methods, and then creates an instance of that class that's statically typed as a structural type with those methods, etc. This is possible with the macro system in 2.10.0, and the type member part is extremely easy:
...
slf4j: how to log formatted message, object array, exception
...arameters and if the last argument in a logging statement is an exception, then SLF4J will presume that the user wants the last argument to be treated as an exception and not a simple parameter. See also the relevant FAQ entry.
So, writing (in SLF4J version 1.7.x and later)
logger.error("one two ...
Select distinct using linq [duplicate]
...
And you have to define newList. Then Set result to this newList. Otherwise grouping does not work. This worked for me. 'List<LinqTest> newList = new List<LinqTest>(); newList = myList.GroupBy(test => test.id) .Select(group => group...
Why does my application spend 24% of its life doing a null check?
... already running as fast you can hope for. And if you need it to go faster then you'll need better hardware with a faster memory bus. DDR4 is going mainstream this year.
share
|
improve this answer
...
How to set my phpmyadmin user session to not time out so quickly? [duplicate]
...d into phpmyadmin look on the top navigation for "Settings" and click that then:
"Features" >
Unfortunately changing it through the UI means that the changes don't persist between logins.
share
|
...