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Programmatically change log level in Log4j2
...j Core. BUT be aware that the Configurator class is not part of the public API.
// org.apache.logging.log4j.core.config.Configurator;
Configurator.setLevel("com.example.Foo", Level.DEBUG);
// You can also set the root logger:
Configurator.setRootLevel(Level.DEBUG);
Source
EDITED to reflect chan...
MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...省去频繁切换窗口的动作。
如果你想这么做，有一个API可以实现： SetWindowPos，声明是这样的:：
Private Declare Function SetWindowPos Lib "user32" Alias "SetWindowPos" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, ByVal...
What does Docker add to lxc-tools (the userspace LXC tools)?
...ployment of applications, as opposed to machines. This is reflected in its API, user interface, design philosophy and documentation. By contrast, the lxc helper scripts focus on containers as lightweight machines - basically servers that boot faster and need less ram. We think there's more to contai...
UISegmentedControl below UINavigationbar in iOS 7
...ered Oct 18 '14 at 11:20
pigmashapigmasha
20133 silver badges66 bronze badges
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Why charset names are not constants?
...ason, except that at the time, things were still half-baked -- too few JDK APIs had been retrofitted to accept Charset, and of the ones that were, the Charset overloads usually performed slightly worse.
It's sad that it's only in JDK 1.6 that they finally finished outfitting everything with Charset...
Why do C++ libraries and frameworks never use smart pointers?
...n't have their own memory management; Generally they provide
utilities and APIs
They are implemented as wrapper, since they are actually objects and not pointers. Which has additional time/space cost, compared to raw pointers; The users of the libraries may not want to have such overheads
Edit: Us...
.NET 4.0 has a new GAC, why?
...oth locations
should only be accessed or modified
using the native GAC APIs, which deal
with the partitioning as expected. The
places where this does surface are
through APIs that expose the paths of
the GAC such as GetCachePath, or
examining the path of mscorlib loaded
into managed ...
getViewTypeCount and getItemViewType methods of ArrayAdapter
...you don't implement these two methods intuitively according to the Android API Doc, then you might get into the problem I mentioned about.
Summarized Guideline for the implementation:
To implement multiple types of Views for ListView's rows we have to essentially implement, getItemViewType() and g...
What's a simple way to get a text input popup dialog box on an iPhone
...t should definitly do the trick as it is now standard supported in the iOS API. You will not need a private API for this.
UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"This is an example alert!" delegate:self cancelButtonTitle:@"Hide" otherButtonTitles:nil];
alert.aler...
How to get the last value of an ArrayList
... is empty, get throws an IndexOutOfBoundsException. You can find the whole API documentation here.
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