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What are dictionary view objects?
...
>>> del dishes['eggs']
>>> keys # No eggs anymore!
dict_keys(['sausage', 'bacon', 'spam'])
>>> values # No eggs value (2) anymore!
dict_values([1, 1, 500])
(The Python 2 equivalent uses dishes.viewkeys() and dishes.viewvalues().)
This example shows the dynamic char...
Suppressing deprecated warnings in Xcode
...ry -Wno-deprecated-declarations, or its corresponding setting in Xcode, GCC_WARN_ABOUT_DEPRECATED_FUNCTIONS (pro tip: just type in "deprecated" in the build settings to find the specific setting for this warning).
Current versions of Xcode (e.g. Xcode 9.2):
Ancient versions of Xcode (e.g. Xcod...
Handlebars.js Else If
..."default.gif" alt="default">
{{/if}}
http://handlebarsjs.com/block_helpers.html
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What are the GCC default include directories?
...,-v -x c++ - -fsyntax-only
ignoring nonexistent directory "/usr/lib/gcc/x86_64-redhat-linux/4.8.2/include-fixed"
ignoring nonexistent directory "/usr/lib/gcc/x86_64-redhat-linux/4.8.2/../../../../x86_64-redhat-linux/include"
#include "..." search starts here:
#include <...> search starts here:...
Get Unix Epoch Time in Swift
...alSince1970)
let preciseMilliseconds = Int(Date().timeIntervalSince1970 * 1_000)
let preciseMicroseconds = Int(Date().timeIntervalSince1970 * 1_000_000) // most likely precise
Unfortunately, however, in the year 2038, 32-bit numbers won't be usable for the Unix timestamp and they'll have to be 64-...
How do I scroll the UIScrollView when the keyboard appears?
...ationCenter.default.addObserver(self, selector: #selector(onKeyboardAppear(_:)), name: NSNotification.Name.UIKeyboardDidShow, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(onKeyboardDisappear(_:)), name: NSNotification.Name.UIKeyboardDidHide, object: nil)
}
// Do...
MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...现在我们需要添加相应的英文的资源文件。
为主窗口IDD_MULTILANGUAGES添加英文资源的方法为：
（1） 打开Resource View窗口。
（2） 右键IDD_MULTILANGUAGES，点击弹出菜单中的“Insert Copy”菜单，如下图所示。
（3） 弹...
Square retrofit server mock for testing
...terceptor {
// FAKE RESPONSES.
private final static String TEACHER_ID_1 = "{\"id\":1,\"age\":28,\"name\":\"Victor Apoyan\"}";
private final static String TEACHER_ID_2 = "{\"id\":1,\"age\":16,\"name\":\"Tovmas Apoyan\"}";
@Override
public Response intercept(Chain chain) throws I...
What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...d .cctor() cil managed
{
// Code size 11 (0xb)
.maxstack 8
IL_0000: ldstr ""
IL_0005: stsfld string System.String::Empty
IL_000a: ret
} // end of method String::.cctor
In the .NET 4.5 version of mscorlib.dll, String.cctor (the static constructor) is conspicuously abse...
Android: upgrading DB version and adding new table
...on't forget your new users!
Don't forget to add
database.execSQL(DATABASE_CREATE_color);
to your onCreate() method as well or newly installed apps will lack the table.
4. How to deal with multiple database changes over time
When you have successive app upgrades, several of which have database...