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Manipulating an Access database from Java without ODBC
...class was stuck with this issue believing it to be a file system privilege error. Helped me loads and it took a surprising amount of digging to realize Oracle done away with the JDBC-ODBC bridge from Java 8.
– wilbomc
Jan 22 '15 at 1:23
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What does “dereferencing” a pointer mean?
...
allocated and the pointer must be set
to point to it. The most common error
in pointer code is forgetting to set
up the pointee. The most common
runtime crash because of that error in
the code is a failed dereference
operation. In Java the incorrect
dereference will be flagged polit...
How do you parse and process HTML/XML in PHP?
...DOMDocument extends the standard DOM to use exceptions at all occasions of errors instead of PHP warnings or notices. They also add various custom methods and shortcuts for convenience and to simplify the usage of DOM.
sabre/xml
sabre/xml is a library that wraps and extends the XMLReader and X...
Convert array to JSON
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I decided to use the json2 library and I got an error about “cyclic data structures”.
I got it solved by telling json2 how to convert my complex object. Not only it works now but also I have included only the fields I need. Here is how I did it:
OBJ.prototype.toJSON ...
Escape Character in SQL Server
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@MichaelMunsey try it for yourself: select ' returns the error Unclosed quotation mark after the character string ''. Nowhere in my answer do I use " only two ', not sure why mine is the only answer with down votes.
– Seph
Aug 19 '15 at 12:23
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How to get a float result by dividing two integer values using T-SQL?
...understand that CASTing to FLOAT is not allowed in MySQL and will raise an error when you attempt to CAST(1 AS float) as stated at MySQL dev.
The workaround to this is a simple one. Just do
(1 + 0.0)
Then use ROUND to achieve a specific number of decimal places like
ROUND((1+0.0)/(2+0.0), 3)
...
How to get access to HTTP header information in Spring MVC REST controller?
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Should mention, you'll get a 400 bad request error as a response in case if request will not contain such header. More flexible way is direct access to request headers as described in: stackoverflow.com/a/28209710/1828296
– lospejos
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Stopwatch vs. using System.DateTime.Now for timing events [duplicate]
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I checked your blog's link. There is a slight error in the calculation of the average timing. Instead of double averageTime = ((double)totalTime) / (count - discardCount); it should be double averageTime = ((double)totalTime) / (count - (2*discardCount));. No?
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VC DDE（Dynamic Data Exchange）与EXCEL连接 - C/C++ - 清泛网 - 专注C/C++及内核技术
... APPCLASS_STANDARD | APPCMD_CLIENTONLY, 0 );
if (iReturn!=DMLERR_NO_ERROR)
{
printf("DDE Initialization Failed: 0xx\n", iReturn);
Sleep(1500);
return 0;
}
//Start DDE Server and wait for it to become idle.
HINSTANCE hRet = ShellExecute(0, "open",...
Grouping functions (tapply, by, aggregate) and the *apply family
...so you will end up with either the exact expected output or an informative error. On the other hand, sapply will try to simplify the output following rules that aren't always obvious, and fall back to a list otherwise. For instance, try to predict the type of output this will produce: sapply(list(1:...