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How do you get the “object reference” of an object in java when toString() and hashCode() have been
...ith it (what you want to do makes a difference with what you will need to call).
hashCode, as defined in the JavaDocs, says:
As much as is reasonably practical, the hashCode method defined by class Object does return distinct integers for distinct objects. (This is typically implemented by con...
What is the yield keyword used for in C#?
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The yield keyword actually does quite a lot here.
The function returns an object that implements the IEnumerable<object> interface. If a calling function starts foreaching over this object, the function is called again until it "yields". Th...
Is there an onSelect event or equivalent for HTML ?
...heir editor view fails to load jQuery used in the example for readability. All above just tested with mouse interaction; to get this keyboard friendly this hack likely needs additional work, as at least old IEs happily trigger the change event before you've had a chance to get to choice "C".
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Root user/sudo equivalent in Cygwin?
... The problem with this is that it creates a whole new terminal window (usually conhost). The output isn't inlined into the current terminal.
– CMCDragonkai
Apr 24 '16 at 7:19
1
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Remove the last line from a file in Bash
...e, while $ means "the last line in the file". When specifying a location (called "range" in sed lingo) before a command, that command is only applied to the specified location. So, this command explicitly says "in the range of the last line in a file, delete it". Quite slick and straight to the poin...
Google Gson - deserialize list object? (generic type)
...mcArray = gson.fromJson(jsonString, MyClass[].class);
This way you avoid all the hassle with the Type object, and if you really need a list you can always convert the array to a list by:
List<MyClass> mcList = Arrays.asList(mcArray);
IMHO this is much more readable.
And to make it be an ...
Nodejs cannot find installed module on Windows
I am learning nodejs at the moment on Windows. Several modules are installed globally with npm.cmd, and nodejs failed to find the installed modules. Take jade for example,
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how do I check in bash whether a file was created more than x time ago?
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@Guss right solution is to install coretutils with brew. :-)
– Erik Johansson
Feb 14 '15 at 23:29
1
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How to stop EditText from gaining focus at Activity startup in Android
... case android:focusable="true" is unnecessary, and can be removed. Additionally the dummy view can be a View instead of a LinearLayout. This saves processing power + saves you from some Warnings. Thus, my recommendation is replacing the dummy view with <View android:focusableInTouchMode="true" ...
内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...他程序使用。
实现这些需求的程序库称为 分配程序（allocators），因为它们负责分配和回收内存。程序的动态性越强，内存 管理就越重要，您的内存分配程序的选择也就更重要。让我们来了解可用于内存管理的不同方法，它...