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Batch script: how to check for admin rights

...nconsistent state. The dirty bit can be set because: The volume is online and it has outstanding changes. Changes were made to the volume and the computer was shut down before the changes were committed to the disk. Corruption was detected on the volume. If the dirty bit is set w...
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Best practices: throwing exceptions from properties

...t's available as a bound book, and large portions of it are also available online. From section 5.2: Property Design AVOID throwing exceptions from property getters. Property getters should be simple operations and should not have preconditions. If a getter can throw an exception, it sh...
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What happens if I define a 0-size array in C/C++?

... are known at compile time. The flexible array term comes from gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Zero-Length.html and doe qualify int content[]; here as far as I understand. Since I am not too savvy on C terms of the art... could you confirm whether my reasoning seems correct ? ...
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Choice between vector::resize() and vector::reserve()

...ts 0 cout <<(v2.capacity()==1000)<< endl; //prints 1 Output (online demo): 1 1 0 1 So resize() may not be desirable, if you don't want the default-created objects. It will be slow as well. Besides, if you push_back() new elements to it, the size() of the vector will further increase...
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How do I set up a basic Ruby project?

...by documentation tool. And besides all of the above tools, their're some online service for ruby project: CI(Continuous Integration) travis-ci circleci codeship Code Review codeclimate And you can even genearate badges via http://shields.io/ for your open source project. That's my exper...
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When would you use delegates in C#? [closed]

... delegates in .NET? My answer was very short and one that he had not found online: to delay execution of a method. Source: LosTechies Just like LINQ is doing. share | improve this answer ...
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What is an efficient way to implement a singleton pattern in Java? [closed]

... System.out.println(Arrays.toString(favoriteSongs)); } } Edit: An online portion of "Effective Java" says: "This approach is functionally equivalent to the public field approach, except that it is more concise, provides the serialization machinery for free, and provides an ironclad gua...
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HTML table with 100% width, with vertical scroll inside tbody [duplicate]

...19% is less than (100% / 5 cols) = 20% */ float: left; } Here is the Online Demo. Note: This approach will fail if the content of each column breaks the line, i.e. the content of each cell should be short enough. In the following, there are two simple example of pure CSS solution which I c...
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Why does find -exec mv {} ./target/ + not work?

... The manual page (or the online GNU manual) pretty much explains everything. find -exec command {} \; For each result, command {} is executed. All occurences of {} are replaced by the filename. ; is prefixed with a slash to prevent the shell from i...
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Getting image dimensions without reading the entire file

...rsion, height and width of a GIF image but couldn’t find anything useful online. Fortunately in case of GIF, all the required information was in the first 10 bytes: Type: Bytes 0-2 Version: Bytes 3-5 Height: Bytes 6-7 Width: Bytes 8-9 PNG are slightly more complex (width and height are 4-bytes...