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How to reference style attributes from a drawable?
I want to have 2 selectable themes for my application. In order to do that, I defined some attributes, like this:
5 Answers...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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12. 一个验证passwd文件有效性的例子
$ cat /etc/passwd | awk -F: '\ NF != 7{\ printf("line %d,does not have 7 fields:%s\n",NR,$0)}\ $1 !~ /[A-Za-z0-9]/{printf("line %d,non alpha and numeric user id:%d: %s\n,NR,$0)}\ $2 == "*" {printf("line %d, no password: %s\n",NR,$0)}'...
Using git repository as a database backend
... terms of normal ORMs, such as ActiveRecord, Hibernate, DataMapper, Tower, etc.
As much as I've searched for, there's zero existing free codebase for doing that approach to git from popular frameworks.
There is at least one service that somehow manages to do that efficiently — that is obviously gi...
How to highlight text using javascript
...t a great idea because this will attempt to highlight HTML tags/attributes/etc. For example, what would happen in the case of: <img src="fox.jpg" /> You would get invalid HTML that would look like: <img src="<span class='highlight'>fox</span>.jpg" /> Not good
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How to map with index in Ruby?
...in 1.8.7+), which mixes in Enumerable, so you can call map, select, reject etc. on it just like on an array, hash, range etc.
– sepp2k
Jan 15 '11 at 1:45
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Calling C++ class methods via a function pointer
...ference for (think virtual functions). You also need to know the object in order to provide the this implicit parameter, of course.
Having said that you need them, now I'll say that you really need to avoid them. Seriously, member pointers are a pain. It is much more sane to look at object-oriented...
Loading and parsing a JSON file with multiple JSON objects
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How to best position Swing GUIs?
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
... this on a 32-bit int, just reverse the bits in each byte, and reverse the order of the bytes. That is:
unsigned int toReverse;
unsigned int reversed;
unsigned char inByte0 = (toReverse & 0xFF);
unsigned char inByte1 = (toReverse & 0xFF00) >> 8;
unsigned char inByte2 = (toReverse &am...
How to sort a collection by date in MongoDB?
...').find({}).sort({_id:-1})
This will sort your collection in descending order based on the date of insertion
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