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What's the valid way to include an image with no src?
...mming.com/2009/03/15/the-tiniest-gif-ever
<img src="data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=" width="0" height="0" alt="" />
Edit based on comment below:
Of course, you must consider your browser support requirements. No support for IE7 or less is notable. http://caniuse....
Performance of Java matrix math libraries? [closed]
...fat jar" with ATLAS and JNI libraries for Windows, Linux, Mac OS X, 32 and 64 bit (except for Windows). This way you will get the native performance just by adding the jar file to your classpath. Check it out at http://jblas.org!
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PHP random string generator
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64
+1 for the shortest answer :). But not the best answer for every use-case. This code will output strings where each character won't appear ...
How do I check if the Java JDK is installed on Mac?
...libexec/java_home -V
Matching Java Virtual Machines (2):
1.8.0_51, x86_64: "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_51.jdk/Contents/Home
1.7.0_79, x86_64: "Java SE 7" /Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home
To request the JAVA_HOME path of a specif...
Emacs in Windows
...Brian Carlton
6,93655 gold badges3434 silver badges4646 bronze badges
...
Returning the product of a list
...r large integer results in which case it returns a result of type numpy.int64 while Ian Clelland's solution based on operator.mul and reduce works for large integer results because it returns long.
share
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UITableView is starting with an offset in iOS 7
...erneath the navbar/toolbar.
Looks like you're positioning it at 44 (maybe 64)px to move it out from under the nav bar, but it already compensates for this so you get a big gap.
Go to the storyboard/xib in IB and untick the show content under nav bar stuff.
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Tainted canvases may not be exported
...ble-area")[0], { useCORS:true}).then(function (canvas){
var imgBase64 = canvas.toDataURL();
// console.log("imgBase64:", imgBase64);
var imgURL = "data:image/" + imgBase64;
var triggerDownload = $("<a>").attr("href", imgURL).attr("download", "layout_"+new Date()...
Version of Apache installed on a Debian machine
...
Worked fine on Red Hat Enterprise Linux 6 (64-bit)
– DemiSheep
Jan 26 '16 at 16:49
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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
注意linux生产环境不能安装32位的mongodb，因为32位受限于操作系统最大2G的文件限制。
#解压下载的压缩包
tar xvzf mongodb-linux-x86_64-2.4.8.tgz
4、分别在每...