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Get records with max value for each group of grouped SQL results
...lution uses undocumented behavior, the more cautious may want to include a test to assert that it remains working should a future version of MySQL change this behavior.
Version 5.7 update:
Since version 5.7, the sql-mode setting includes ONLY_FULL_GROUP_BY by default, so to make this work you must n...
How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
...5 MB and limited to Office 2007 formats. But certainly the easiest and fastest solution which works for me.
– Josh Brown
Sep 20 '11 at 13:03
18
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How to make Regular expression into non-greedy?
...egular /(\[.+\])/g my result is : [|cơ thử|nghiệm|] thị trường [|test2|đây là test lần 2|] chứng khoán [|Mỹ|day la nuoc my|] :(
– Rueta
May 13 '10 at 4:00
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Why does AngularJS include an empty option in select?
...ed with it. And once you select something else, you won't see it again. (Test on Chrome.)
– Mark Rajcok
Mar 9 '13 at 21:17
1
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equals vs Arrays.equals in Java
...oth are <tt>null</tt>.<p>
*
* @param a one array to be tested for equality
* @param a2 the other array to be tested for equality
* @return <tt>true</tt> if the two arrays are equal
*/
public static boolean equals(Object[] a, Object[] a2) {
if (a==a2)
re...
how to stop browser back button using javascript
...event of DOM which is the ideal entry point for this code.
Working DEMO!
Tested and verified in following browsers,
Chrome.
Firefox.
IE (8-11) and Edge.
Safari.
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...
File Upload in WebView
...It works, but how come the value doesn't update as it should be? That's my test on Eclipse Android API17 emulator.
– Jeffrey Neo
Jan 15 '14 at 4:48
1
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Command line: piping find results to rm
...ry to
delete everything below the starting points you specified. When
testing a find command line that you later intend to use with
-delete, you should explicitly specify -depth in order to avoid
later surprises. Because -delete implies -depth, you cannot
usefully use -prune and ...
Need to handle uncaught exception and send log file
...and what else might happen in the handler chain? It's been a while, but I tested a number of scenarios, and calling System.exit() seemed to be the best solution. After all, the app has crashed and it needs to terminate.
– Peri Hartman
Mar 3 '14 at 18:08
...
Sometimes adding a WCF Service Reference generates an empty reference.cs
...il.
svcutil /t:code https://secure.myserver.com/services/MyService.svc /d:test /r:"C:\MyCode\MyAssembly\bin\debug\MyAssembly.dll"
Where:
/t:code generates the code from given url
/d: to specify the directory for the output
/r: to specify a reference assembly
Full svcutil command line referenc...