大约有 47,000 项符合查询结果(耗时:0.0674秒) [XML]

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Why does “pip install” inside Python raise a SyntaxError?

I'm trying to use pip to install a package. I try to run pip install from the Python shell, but I get a SyntaxError . Why do I get this error? How do I use pip to install the package? ...
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What is a Proxy in Doctrine 2?

...protected $lastname; // bunch of setters/getters here } DQL query: SELECT u.id, u.username FROM Entity\User u WHERE u.id = :id As you can see this query doesn't return firstname and lastname properties, therefore you cannot create User object. Creation of incomplete entity could lead to un...
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app-release-unsigned.apk is not signed

...ettings. Go to Signing Tab. Add a signing config and fill in information. Select your keychain as well. Go to Build Type tab. Select release mode and set: -Debuggable to true. -Signing Config to the config. (The one you just created). Sync your gradle. Enjoy! ...
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'App not Installed' Error on Android

...earing all of my cached data. Then, finally I realized all I had to do was select both signature versions when building my signed apk. Before I only had V2 (Full APK Signature) selected, but after selecting V1 Jar Signature as well, I was able to successfully install my signed APK on my 4.4.2 devic...
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“Remote System Explorer Operation” causing freeze for couple of seconds

... Here are the steps: Click on the Windows > Preferences menu Select General > Workspace > Build in the tree Uncheck Use default build order Select RemoteSystemsTempFiles Click Remove Project Click Apply and Close ...
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Is there a JSON equivalent of XQuery/XPath?

...g tools including filtering, recursive search, sorting, mapping, range selection, and flexible expressions with wildcard string comparisons and various operators. JSONselect has another point of view on the question (CSS selector-like, rather than XPath) and has a JavaScript implementation. ...
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Filling a DataSet or DataTable from a LINQ query result set

...order.Field<DateTime>("OrderDate") > new DateTime(2001, 8, 1) select order; // Create a table from the query. DataTable boundTable = query.CopyToDataTable<DataRow>(); Why won't that work for you? share ...
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Facebook Android Generate Key Hash

...generate key hash you need to follow some easy steps. 1) Download Openssl from: here. 2) Make a openssl folder in C drive 3) Extract Zip files into this openssl folder created in C Drive. 4) Copy the File debug.keystore from .android folder in my case (C:\Users\SYSTEM.android) and paste into JD...
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facebook: permanent Page Access Token?

...ken. 1. Get User Short-Lived Access Token Go to the Graph API Explorer. Select the application you want to get the access token for (in the "Application" drop-down menu, not the "My Apps" menu). Click "Get Token" > "Get User Access Token". In the pop-up, under the "Extended Permissions" tab, c...
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What is in your Mathematica tool bag? [closed]

...pplication of Reap and Sow which mimics/extends the behavior of GatherBy: SelectEquivalents[x_List,f_:Identity, g_:Identity, h_:(#2&)]:= Reap[Sow[g[#],{f[#]}]&/@x, _, h][[2]]; This allows me to group lists by any criteria and transform them in the process. The way it works is that a c...