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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
... very frequently asked question here is how to do an upsert, which is what MySQL calls INSERT ... ON DUPLICATE UPDATE and the standard supports as part of the MERGE operation.
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Is there a way to automatically build the package.json file for Node.js projects
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I don't really appreciate having the entirety of my answer, save for a line, rewritten and still attributed to me. Regardless of whether or not it was outdated.
– nzondlo
Jul 29 '14 at 15:19
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Is it possible to use Swift's Enum in Obj-C?
I'm trying to convert some of my Obj-C class to Swift. And some other Obj-C classes still using enum in that converted class. I searched In the Pre-Release Docs and couldn't find it or maybe I missed it. Is there a way to use Swift enum in Obj-C Class? Or a link to the doc of this issue?
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MFC CString::Format()函数详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...参数，而且每个参数可以不同。
如以下例子：
Format("my name is %6s","wind");
返回后就是
my name is wind
现在来看Format参数的详细情况：
Format里面可以写普通的字符串，比如"my name is"
但有些格式指令字符具有特殊意义，...
Spring vs EJB. Can Spring replace EJB? [closed]
... Web services have taken over for EJBs. The EJB solution is dead. (Just my opinion.)
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Internal Error 500 Apache, but nothing in the logs?
...nal Server errors when I try to make an HTTP POST to a specific address in my app. I've looked into the server logs in the custom log directory specified in the virtual hosts file, but the error doesn't show up there so debugging this has been a pain in the ass.
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Install Application programmatically on Android
...his way. I don't know why, but setting data and type separately screwed up my intent.
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How to calculate a Mod b in Casio fx-991ES calculator
...you would turn it to positive so your example -0.5 mod 23 would be 22.5 in my book. But again, some applications might define modulo in different way.
– NightElfik
Apr 1 '14 at 19:17
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How to dynamically create CSS class in JavaScript and apply?
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My use case is a bookmarklet that is highlighting certain elements for QA purposes.
– TomG
Apr 29 '11 at 19:14
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Java Class.cast() vs. cast operator
Having being taught during my C++ days about evils of the C-style cast operator I was pleased at first to find that in Java 5 java.lang.Class had acquired a cast method.
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