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动态追踪（Dynamic Tracing）技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...数名、变量名、类型名之类。Linux 世界常见的调试符号的格式称为 DWARF（与英文单词“矮人”相同）。正是因为有了这些调试符号，我们在冰冷黑暗的二进制世界里面才有了一张地图，才有了一座灯塔，才可能去解释和还原这个...
Getting a list of files in a directory with a glob
...l];
NSPredicate *fltr = [NSPredicate predicateWithFormat:@"self ENDSWITH '.jpg'"];
NSArray *onlyJPGs = [dirContents filteredArrayUsingPredicate:fltr];
If you need to do it with NSURL instead it looks like this:
NSURL *bundleRoot = [[NSBundle mainBundle] bundleURL];
NSArray * dirContents =
...
Replace all whitespace characters
...
Not /gi but /g
var fname = "My Family File.jpg"
fname = fname.replace(/ /g,"_");
console.log(fname);
gives
"My_Family_File.jpg"
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jQuery - replace all instances of a character in a string [duplicate]
...ction () {
$(this).attr('src', $(this).attr('src').replace('_s.jpg', '_n.jpg'));
})
})
});
This does the replace once on each string, but it does it using a more specific selector.
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File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希 ·...
...
Encode 编码(文本内容) {:.text}
将文本内容编码为 Base64 格式。
文本内容：文本类型，要编码的文本内容
返回值：文本类型，Base64 编码后的字符串
Decode 解码(Base64文本) {:.text}
将 Base64 文本解码为原始文本...
Remove directory from remote repository after adding them to .gitignore
... like:
rm 'some-directory/product/cache/1/small_image/130x130/small_image.jpg'
rm 'some-directory/product/cache/1/small_image/135x/small_image.jpg'
rm 'some-directory/.htaccess'
rm 'some-directory/logo.jpg'
The rm is feedback from git about the repository; the files are still in the working direc...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...身有一个mongoimport工具可供使用，不过它只接受json、csv等格式的源文件，不适合我的需求，所以我没用，而是用PHP写了一个脚本，平稳运行了一段时间后，我发现数据导入的速度下降了，同时PHP抛出异常：
cursor timed out (timeout: 3...
What is the difference between background and background-color
...ns, where I would want the following:
background: white url(images/image1.jpg) top left repeat;
to be the following:
background: black;
So, all parameters (background-image, background-position, background-repeat) will reset to their default values.
...
Get file name from URL
...hotosaaaaa.net/photos-ak-snc1/v315/224/13/659629384/s659629384_752969_4472.jpg"
String filename = "";
//PATH: /photos-ak-snc1/v315/224/13/659629384/s659629384_752969_4472.jpg
String path = extUrl.getPath();
//Checks for both forward and/or backslash
//NOTE:**...
Recursively look for files with a specific extension
...ing to get all recursive image files i.e. of extensions *.gif, *.png and *.jpg, all you need to is
ls -1 -- **/+(*.jpg|*.gif|*.png)
This could very well be expanded to have negate results also. With the same syntax, one could use the results of the glob to exclude files of certain type. Assume yo...