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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...rd : “replicaSetName/[:port][,serverhostname2[:port],…]” });这样的格式表示 。
#串联路由服务器与分配副本集2
db.runCommand( { addshard : "shard2/192.168.0.136:22002,192.168.0.137:22002,192.168.0.138:22002"});
#串联路由服务器与分配副本集3
db.runCommand(...
Asynchronously load images with jQuery
...ng:
var img = $("<img />").attr('src', 'http://somedomain.com/image.jpg')
.on('load', function() {
if (!this.complete || typeof this.naturalWidth == "undefined" || this.naturalWidth == 0) {
alert('broken image!');
} else {
$("#something").append(img...
Saving a Numpy array as an image
... An alternative a few comments below is to use imageio.imwrite('image_file.jpg', array)
– Psi-Ed
May 3 at 6:17
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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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手握利器，直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...
...okUrl.sys是没有问题的，出错是因为BaseTDI给HookUrl.sys传递了格式错误或者已被破坏的、或者非法的参数信息，HookUrl.sys接受此无效数据而引发了崩溃。如果我们不看线程栈，就根据之前的“Probably Cause by：HookUrl.sys”进行判决，我们...
CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
..., htm, php等页面文件，gif,tif, png, bmp等图片文件，以及其他格式的文件，在有效期（TTL）内，对于重复的访问，不必从原始网站重新传送文件实体，只需通过简单的认证（Freshness Validation）- 传送几十字节的Header，即可将本地的副...
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...
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.
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