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How can I get column names from a table in Oracle?
... this question works better as a general one. (I came here looking for the mySQL one.)
– icedwater
Feb 17 '14 at 6:02
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How can I compare two dates in PHP?
...ould'nt do this with PHP.
A database should know, what day is today.( use MySQL->NOW() for example ), so it will be very easy to compare within the Query and return the result, without any problems depending on the used Date-Types
SELECT IF(expireDate < NOW(),TRUE,FALSE) as isExpired FROM ta...
postgresql - sql - count of `true` values
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In MySQL, you can do this as well:
SELECT count(*) AS total
, sum(myCol) AS countTrue --yes, you can add TRUEs as TRUE=1 and FALSE=0 !!
FROM yourTable
;
I think that in Postgres, this works:
SELECT count(*) AS total
...
How to run .APK file on emulator [duplicate]
... way to do this:
Install Android SDK
Start the emulator by going to $SDK_root/emulator.exe
Go to command prompt and go to the directory $SDK_root/platform-tools (or else add the path to windows environment)
Type in the command adb install
Bingo. Your app should be up and running on the emulator
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Where are my postgres *.conf files?
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@A-B-B "...accessible exclusively by root, postgres, or the products user only." Run it as root and it's reliable.
– dhaupin
Sep 8 '16 at 15:49
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How to set up a cron job to run an executable every hour?
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Note that you also need an absolute path (ie from the root directory) afaik
– drevicko
Apr 25 at 1:11
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How to fully clean bin and obj folders within Visual Studio?
...rget>
Notice that this snippet also wipes out the .vs folder from the root directory of your solution. You may want to comment out the associated line if you feel that removing the .vs folder is an overkill. I have it enabled because I noticed that in some third party projects it causes issues ...
SQL Server SELECT INTO @variable?
...not all support TOP 1 as Adrian mentioned. SQL Server / MS Access use TOP, MySQL uses LIMIT, and Oracle uses ROWNUM. See w3schools.com/sql/sql_top.asp for more information.
– Tyler
Jul 7 '17 at 12:08
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How do I find duplicate values in a table in Oracle?
...over 8 year later, still works well for both latest versions of Oracle and MySQL (remove space after count function in having line).
– PhatHV
Apr 19 '16 at 2:34
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OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...口就不知道哪个窗口发的(当然可以用参数进行约定)。
如何解决这个问题？
有几种思路：1.重写ON_MESSAGE宏，增加ID的限制；2.模拟按钮单击消息；3.自定义WM_NOTIFY消息。基于这些思路都不能修改MFC底层的代码。
用调试的方式查...