大约有 47,000 项符合查询结果(耗时:0.0583秒) [XML]

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Entity framework self referencing loop detected [duplicate]

...anonymous type with the props you want example (psuedo)code: departments.select(dep => new { dep.Id, Employee = new { dep.Employee.Id, dep.Employee.Name } }); share | i...
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Liquibase lock - reasons?

...ONTINUE"> <sqlCheck expectedResult="0"> select count(*) from user_sequences where sequence_name = 'SEQUENCE_NAME_SEQ'; </sqlCheck> </preConditions> <createSequence sequenceName="SEQUENCE_NAME_SEQ"/> </changeSet> Lockd...
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Lock, mutex, semaphore… what's the difference?

... just one active thread from many others within one process. The other non selected threads (@ acquiring this object) are put to sleep. [No interprocess capability, very primitive object]. 2) Mutex Semaphore (aka Mutex)= Kernel object used for allowing the execution of just one active thread from ...
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How does TestFlight do it?

...l from web. Remember - you still need to sign the beta distribution for a select set of UDIDs you can't just willy nilly install it on any device. All they are doing is taking the email the IPA step out of things. See: http://www.alexcurylo.com/blog/2010/08/27/wireless-ad-hoc-distribution/ Upd...
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What difference does .AsNoTracking() make?

... Can we get the same benefits for anonymous classes in select query, such as context.Users.Select(u=> new { Name = u.Name })? Thanks. – Dilhan Jayathilake Feb 6 '17 at 23:33 ...
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can we use xpath with BeautifulSoup?

...tree.HTMLParser() tree = etree.parse(response, htmlparser) tree.xpath(xpathselector) There is also a dedicated lxml.html() module with additional functionality. Note that in the above example I passed the response object directly to lxml, as having the parser read directly from the stream is more...
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How do I find an element that contains specific text in Selenium Webdriver (Python)?

... tag and if //* is categories it will not work as expected. If you need to select any specific then You can get it by declaring HTML Element tag. Like: driver.find_element_by_xpath("//div[contains(text(),'Add User')]") driver.find_element_by_xpath("//button[contains(text(),'Add User')]") ...
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How to find the Windows version from the PowerShell command line

...fo. Powershell wrapper: PS C:\> systeminfo /fo csv | ConvertFrom-Csv | select OS*, System*, Hotfix* | Format-List OS Name : Microsoft Windows 7 Enterprise OS Version : 6.1.7601 Service Pack 1 Build 7601 OS Manufacturer : Microsoft Corporation OS Configuration : Stan...
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Android emulator shows nothing except black screen and adb devices shows “device offline”

...Verify Configuration dialog. It forces turn off gpu mode whatever you have selected in the Emulated Performance. So change config.ini directly. hw.gpu.enabled=yes and hw.gpu.mode=on. The config files is normally in /user folder/.android/avd/emulator name.avd/. – Sungsuh Park ...
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Tools to get a pictorial function call graph of code [closed]

...that contains a lot of interesting performance data. On the bottom right, select the "Call graph" tab. This shows an interactive call graph that correlates to performance metrics in other windows as you click the functions. To export the graph, right click it and select "Export Graph". The exporte...