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What do Clustered and Non clustered index actually mean?
...Ordoñez: Sure, you can use almost any that's stored in-row, so no XML, VARCHAR(MAX), or VARBINARY(MAX). Note that it usually makes sense to cluster on the date field first, as a clustered index is most efficient for range scans, which are most common on date types. YMMV.
– u...
Indent multiple lines quickly in vi
...er summarises the other answers and comments of this question, and it adds extra information based on the Vim documentation and the Vim wiki. For conciseness, this answer doesn't distinguish between Vi and Vim-specific commands.
In the commands below, "re-indent" means "indent lines according to yo...
What's the use/meaning of the @ character in variable names in C#?
...ing, in VB.NET you can use [ ] to specify a verbatim identifier, e.g. Dim [String] As String.
– MicroVirus
Apr 28 '14 at 11:24
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pdf2htmlEX实现pdf转html - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...成的html文件名称
* @return
*/
public static boolean pdf2html(String command,String pdfName,String htmlName){
Runtime rt = Runtime.getRuntime();
try {
Process p = rt.exec(command);
StreamGobbler errorGobbler = new StreamGobbler(p.getErrorStream(), "ERROR");
...
How do I find the caller of a method using stacktrace or reflection?
...ate static abstract class GetCallerClassNameMethod {
public abstract String getCallerClassName(int callStackDepth);
public abstract String getMethodName();
}
/**
* Uses the internal Reflection class
*/
private static class ReflectionMethod extends GetCallerClassNameMethod {
...
How do I clear the std::queue efficiently?
...anyway when getting destroyed. So the accepted answer is O(n) plus it does extra allocations and initializations for brand new queue.
– Shital Shah
Dec 2 '16 at 1:08
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AngularJS-Twig conflict with double curly braces
...}}
You should use single quotes, not double quotes. Double quotes enable string interpolation by Twig so you have to be more careful with the contents, especially if you are using expressions.
If you still hate seeing all those curly braces, you can also create a simple macro to automate the pr...
What is the use case of noop [:] in bash?
...can discover that : ignores them. Mostly, you are just making the shell do extra work in expanding * to a list of files in the current directory; it won't actually affect how the script works.
– chepner
Nov 5 '14 at 14:48
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How to safely call an async method in C# without await
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You should first consider making GetStringData an async method and have it await the task returned from MyAsyncMethod.
If you're absolutely sure that you don't need to handle exceptions from MyAsyncMethod or know when it completes, then you can do this:
publi...
Python SQL query string formatting
I'm trying to find the best way to format an sql query string. When I'm debugging
my application I'd like to log to file all the sql query strings, and it is
important that the string is properly formated.
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