大约有 45,000 项符合查询结果(耗时:0.0511秒) [XML]

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How to allocate aligned memory only using the standard library?

...n successful completion, posix_memalign() shall return zero; otherwise, an error number shall be returned to indicate the error. Either or both of these could be used to answer the question now, but only the POSIX function was an option when the question was originally answered. Behind the scenes...
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Posting a File and Associated Data to a RESTful WebService preferably as JSON

...on" forHTTPHeaderField:@"Photo-Description"]; NSURLResponse *response; NSError *error; [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error]; At the server side, I receive the photo using the code: InputStream is = request.inputStream def receivedPh...
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How to add multiple columns to a table in Postgres?

... Ouch... Neither of the syntaxes above work in Redshift :-( I get errors: ERROR: syntax error at or near "," LINE 1: ALTER TABLE x ADD COLUMN col1 int, ADD COLUMN colX int – Doug P Nov 18 '19 at 23:01 ...
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What is the length of the access_token in Facebook OAuth2?

... Yes, I got 284 characters in production app so I got database error due to the column is varchar(255)... – Yuki Matsukura Mar 26 '15 at 2:15 ...
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The provider is not compatible with the version of Oracle client

...get a " The provider is not compatible with the version of Oracle client " error message. Any help would be appreciated. 2...
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Wait until file is unlocked in .NET

... the wait time between retries. NOTE: Unfortunately, the underlying Win32 error (ERROR_SHARING_VIOLATION) is not exposed with .NET, so I have added a small hack function (IsSharingViolation) based on reflection mechanisms to check this. /// <summary> /// Wraps sharing violations that...
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Remove insignificant trailing zeros from a number?

...oesn't work when you have variable with some floating point representation error, like: var n = 1.245000000000001 (assuming it is insignificant to be represented to user) – augur Jun 8 '17 at 15:04 ...
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How to mark a build unstable in Jenkins when running shell scripts

...ead of exiting with status 1 (which would fail the build), do: if ($build_error) print("TESTS FAILED!"); Than in the post-build actions enable the Text Finder, set the regular expression to match the message you printed (TESTS FAILED!) and check the "Unstable if found" checkbox under that entry. ...
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partial string formatting

...ring.Template('${x} ${y}') try: template.substitute({'x':1}) # raises KeyError except KeyError: pass # but the following raises no error partial_str = template.safe_substitute({'x':1}) # no error # partial_str now contains a string with partial substitution partial_template = string.Template(p...
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.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i

I have this error when trying to browse php files locally 8 Answers 8 ...