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Is git good with binary files?
...whether the binary file changes are rare enough that you can live with the extra manual work they cause in the normal git workflow involving merges, rebases, cherrypicks.
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通信连接组件 · App Inventor 2 中文网
...(XML文本)
解码给定的 XML 字符串以生成列表对象。
string 解码为包含一个标签和字符串键值对的列表。
更一般地，如果 obj1, obj2, … 是标记分隔的 XML 字符串，则 obj1 obj2 ... 解码为一个列表，其中包含第一个元素是 tag 且...
✔ Checkmark selected row in UITableViewCell
...}
where lastSelection is declared as var lastSelection: NSIndexPath!
No extra activity in cellForRowAtIndexPath needed. Shouldn't be hard to replicate in Obj-C.
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Rails: select unique values from a column
..."models"."rating" FROM "models"
This has the advantages of not using sql strings and not instantiating models
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What is the use of having destructor as private?
...you don't want to delete main class through the pointer to class that adds extra functionality to the main.
In the example below I don't want GuiWindow to be deleted through a HandlerHolder pointer.
class Handler
{
public:
virtual void onClose() = 0;
protected:
virtual ~Handler();
};
clas...
Left-pad printf with spaces
How can I pad a string with spaces on the left when using printf?
4 Answers
4
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background function in Python
...nd cannot run the function as many times that I want and want to queue the extra executions of the function. Do you have any idea on how I should do that? I have my question here. Could you please take a look at my question? Any help would be great!
– Amir
Mar ...
Favorite (Clever) Defensive Programming Best Practices [closed]
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When printing out error messages with a string (particularly one which depends on user input), I always use single quotes ''. For example:
FILE *fp = fopen(filename, "r");
if(fp == NULL) {
fprintf(stderr, "ERROR: Could not open file %s\n", filename);
retu...
“static const” vs “#define” vs “enum”
...ironment for space to a concern. That said, neither enum nor #define uses extra space, per se. The value will appear in the object code as part of the instructions rather than being allocated storage in the data segment or in heap or on the stack. You'll have some space allocated for the static c...
How can I initialize base class member variables in derived class constructor?
...ase from Member idiom. It's not a code free solution, you'd have to add an extra layer of inheritance, but it gets the job done. To avoid boilerplate code you could use boost's implementation
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