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Best way to create an empty map in Java
...t;emptyMap(); // or guava ImmutableMap.of()
}
}
}
Similarly for sets:
class SetUtils {
static <T> Set<T> nullToEmpty(Set<T> set) {
if (set != null) {
return set;
} else {
return Collections.<T>emptySet();
}
}
}
and lists:
class Lis...
IIS7 Settings File Locations
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By restart, it needs a full windows reboot not just IISRESET
– Markive
May 31 '14 at 6:52
2
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Android customized button; changing text color
... at res/drawable folder i.e. res/drawable/button_text_color.xml. Then just set the drawable as text color:
android:textColor="@drawable/button_text_color"
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How to set a Timer in Java?
How to set a Timer, say for 2 minutes, to try to connect to a Database then throw exception if there is any issue in connection?
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Building an MFC project for a non-Unicode character set is deprecated ...
Building an MFC project for a non-Unicode character set is deprecatedVS2013多字节工程问题使用VS2013编译旧版VC++程序时，提示Building an MFC project for a non-Unicode character set is depreca...VS2013多字节工程问题
使用VS2013编译旧版VC++程序时，提示Building an MF...
setState vs replaceState in React.js
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With setState the current and previous states are merged. With replaceState, it throws out the current state, and replaces it with only what you provide. Usually setState is used unless you really need to remove keys for some re...
How to view the list of compile errors in IntelliJ?
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The above can be combined with a recently introduced option in Compiler settings to get a view very similar to that of Eclipse.
Things to do:
Switch to 'Problems' view in the Project pane:
Enable the setting to compile the project automatically :
Finally, look at the Problems view:
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Parse JSON in C#
... return unescapedUrl; } // <= this line is causing a Stack Overflow
set { this.unescapedUrl = value; }
}
Notice that in the getter, you are returning the actual property (ie the property's getter is calling itself over and over again), and thus you are creating an infinite recursion.
Pro...
libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术
...搭建tcpserver1. 基础代码 设置某fd为O_NONBLOCK模式 int set_non_block(int fd); server端socket流程:socket(),setsoc...1. 基础代码
// 设置某fd为O_NONBLOCK模式
int set_non_block(int fd);
// server端socket流程:socket(),setsockopt(),bind(),listen(),set_non_b...
Do NSUserDefaults persist through an Update to an app in the Appstore?
Is this the case? Do NSUserDefaults get reset when you submit an update to an app on the App Store, or are they reset?
6 An...