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LINQ Single vs First
...if it finds more than one record matching the criteria.
First will always select the first record from the list. If the query returns just 1 record, you can go with First().
Both will throw an InvalidOperationException exception if the collection is empty.
Alternatively you can use SingleOrDefau...
Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile
...s--> Installed JREs-->Point to java folder in c: drive (Windows) and select JDK folder and ok.
2.Remove the already present JRE from build path.
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Default value in Doctrine
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This should be the selected answer!
– Acelasi Eu
Sep 23 '14 at 20:22
2
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possibly undefined macro: AC_MSG_ERROR
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Does autoreconf not select the proper libtoolize on Darwin?
– William Pursell
Jan 11 '12 at 15:04
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Import Error: No module named numpy
...Windows key. Type "cmd". Right-click on the
suggested "Command Prompt" and select "Run as Administrator)
Navigate to the Python installation directory's Scripts folder using the "cd" (change directory) command. e.g. "cd C:\Program Files (x86)\PythonXX\Scripts"
This might be: C:\Users\\AppData\Loca...
How do I comment out a block of tags in XML?
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In the Android Studio, select the block, then Ctrl + Slash to comment it (or Ctrl + Shift + Slash).
– Kamran Bigdely
Jul 20 '16 at 22:33
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Linux下安装项目管理工具Redmine - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...默认配置
这里会要求选择默认语言，我选的中文zh：
Select language: bg, ca, cs, da, de, en, es, fi, fr, he, hu, it, ja, ko, lt, nl, no, pl, pt, pt-br, ro, ru, sk, sr, sv, th, tr, uk, vn, zh, zh-tw [en] zh
这个默认设置只是在未登录时的界面语言，当用户登...
Python Charts库(Highcharts API的封装) - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
....8,
'sliced': True,#控制是否脱离整个pie
'selected': True #http://api.highcharts.com/highcharts/plotOptions.pie
},
['Safari', 8.5],
['Opera', 6.2],
['Others', 0.7]
]
}]
charts.plot(series, options={'title': {'text...
Tools to make CSS sprites? [closed]
... i'm a little dissatisfied with this tool so i unchose it as my selected answer. it ended up cropping my image and it doesnt explain very well why it leaves big gaps between images
– Simon_Weaver
Feb 12 '09 at 7:43
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Fragments within Fragments
...e if you instantiate the Fragments within the xml layout after a tab was unselected and then reselected I would get the inflator error.
I solved this replacing all the fragments in xml with Linearlayouts and then useing a Fragment manager/ fragment transaction to instantiate the fragments everythi...