大约有 47,000 项符合查询结果（耗时：0.0827秒） [XML]
CSS image resize percentage of itself?
I am trying to resize an img with a percentage of itself. For example, I just want to shrink the image by half by resizing it to 50%. But applying width: 50%; will resize the image to be 50% of the container element (the parent element which maybe the <body> for example).
...
UUID max character length
We are using UUID as primary key for out oracle DB, and trying to determine an appropriate max character length for the VARCHAR. Apparently this is 36 characters but we have noticed UUID'S generated which are longer than this - up to 60 characters in length.
Does anyone know a suitable max char leng...
Coding Practices which enable the compiler/optimizer to make a faster program
Many years ago, C compilers were not particularly smart. As a workaround K&R invented the register keyword, to hint to the compiler, that maybe it would be a good idea to keep this variable in an internal register. They also made the tertiary operator to help generate better code.
...
How to write a JSON file in C#?
I need to write the following data into a text file using JSON format in C#. The brackets are important for it to be valid JSON format.
...
How do I determine the target architecture of static library (.a) on Mac OS X?
I'm interested in verifying if a given iPhone static library has been built for ARM or Intel.
5 Answers
...
Why does string::compare return an int?
Why does string::compare return an int instead of a smaller type like short or char ? My understanding is that this method only returns -1, 0 or 1.
...
Effective way to find any file's Encoding
Yes is a most frequent question, and this matter is vague for me and since I don't know much about it.
9 Answers
...
How do I read an entire file into a std::string in C++?
How do I read a file into a std::string , i.e., read the whole file at once?
15 Answers
...
Understanding colors on Android (six characters)
I am trying to understand how colors work in Android. I have this color set as the background of my LinearLayout , and I get a background gray with some transparency:
...
How to hide one item in an Android Spinner
I am looking for a way to hide one item in an Android spinner widget. This would allow you to simulate a spinner with no items selected, and ensures that the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one ite...