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Cannot open backup device. Operating System error 5
Below is the query that I am using to backup (create a .bak ) my database.
21 Answers
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Spring boot @ResponseBody doesn't serialize entity id
Have a strange problem and can't figure out how to deal with it.
Have simple POJO:
8 Answers
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JavaScript for detecting browser language preference [duplicate]
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I think the main problem here is that the browser settings don't actually affect the navigator.language property that is obtained via javascript.
What they do affect is the HTTP 'Accept-Language' header, but it appears this value is not available through javascript at all....
LF will be replaced by CRLF in git - What is that and is it important? [duplicate]
...ur filesystem. You can turn on this functionality with the
core.autocrlf setting. If you’re on a Windows machine, set it to true
– this converts LF endings into CRLF when you check out code:
$ git config --global core.autocrlf true
If you’re on a Linux or Mac system that uses LF lin...
LEGO EV3 机器人按键控制 · App Inventor 2 中文网
...键和滑块来控制机器人的移动和电机功率。
项目作者：CAVEDU Education
项目分类：机器人控制
下载
示例项目文件：
EV3_ButtonControl.aia
机器人组装说明
请按照图1组装您的...
Assign an initial value to radio button as checked
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The other way to set default checked on radio buttons, especially if you're using angularjs is setting the 'ng-checked' flag to "true"
eg: <input id="d_man" value="M" ng-disabled="some Value" type="radio" ng-checked="true">Man
the che...
How to make a div 100% height of the browser window
...Hello, world!</p>
</div>
</body>
The p tag here is set to 100% height, but because its containing div has 200 pixels height, 100% of 200 pixels becomes 200 pixels, not 100% of the body height. Using 100vh instead means that the p tag will be 100% height of the body regardless...
Concatenate text files with Windows command line, dropping leading lines
I need to concatenate some relatively large text files, and would prefer to do this via the command line. Unfortunately I only have Windows, and cannot install new software.
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How do I fix blurry text in my HTML5 canvas?
...idth = w + "px";
can.style.height = h + "px";
can.getContext("2d").setTransform(ratio, 0, 0, ratio, 0, 0);
return can;
}
//Create canvas with the device resolution.
var myCanvas = createHiDPICanvas(500, 250);
//Create canvas with a custom resolution.
var myCustomCanvas = createHiDPICan...
Efficiency of Java “Double Brace Initialization”?
...Coin was along the lines of:
List<Integer> intList = [1, 2, 3, 4];
Set<String> strSet = {"Apple", "Banana", "Cactus"};
Map<String, Integer> truthMap = { "answer" : 42 };
Sadly, it didn't make its way into neither Java 7 nor 8 and was shelved indefinitely.
Experiment
Here's...