大约有 8,100 项符合查询结果（耗时：0.0211秒） [XML]
Check if a div exists with jquery [duplicate]
...rst is just that little bit shorter, so you'll save on bytes. The third is plain wrong, because that condition will always evaluate true because the object will never be null or falsy for that matter.
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List all tables in postgresql information_schema
What is the best way to list all of the tables within PostgreSQL's information_schema?
8 Answers
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MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...据说带着问题学习更有效，那就先看一个MongoDB服务器的top命令结果：
shell> top -p $(pidof mongod)
Mem: 32872124k total, 30065320k used, 2806804k free, 245020k buffers
Swap: 2097144k total, 100k used, 2097044k free, 26482048k cached
VIRT RES SHR %MEM
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How to select between brackets (or quotes or …) in Vim?
I'm sure there used to be a plugin for this kinda stuff, but now that I need it, I can't seem to find it (naturally), so I'll just ask nice and simple.
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Why doesn't logcat show anything in my Android?
Why doesn't logcat show anything in my Android (while developing apps with Eclipse)?
27 Answers
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How to Import .bson file format on mongodb
I've exported the database on the server using mongodump command and dump is stored in .bson file. I need to import that in my local server using mongorestore command. However it's not working. What is the correct mongorestore command and what are the other tools to restore db ?
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Heroku deployment error H10 (App crashed)
I have a RoR app working on my local computer, but when I send it to heroku, it crashes. The error log gives an error H10 & says:
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convert a list of objects from one type to another using lambda expression
I have a foreach loop reading a list of objects of one type and producing a list of objects of a different type. I was told that a lambda expression can achieve the same result.
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How do you copy and paste into Git Bash
I'm using msysgit running on Windows XP.
30 Answers
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Determine whether JSON is a JSONObject or JSONArray
...ceof JSONArray)
//you have an array
tokenizer is able to return more types: http://developer.android.com/reference/org/json/JSONTokener.html#nextValue()
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