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How do I get the size of a java.sql.ResultSet?

...NLY, ResultSet.CONCUR_READ_ONLY); String from_where="FROM myTable WHERE ...blahblah... "; //h4x ResultSet rs=s.executeQuery("select count(*)as RECORDCOUNT," + "cast(null as boolean)as MYBOOL," + ...
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How do I see active SQL Server connections?

...L Server 2008 Enterprise. I want to see any active SQL Server connections, and the related information of all the connections, like from which IP address, connect to which database or something. ...
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Using StringWriter for XML Serialization

...lly added <?xml version="1.0" encoding="utf-8"?><test/> to the string, then declaring the SqlParameter to be of type SqlDbType.Xml or SqlDbType.NVarChar would give you the "unable to switch the encoding" error. Then, when inserting manually via T-SQL, since you switched the declared enco...
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How to write DataFrame to postgres table?

... the table conn = engine.raw_connection() cur = conn.cursor() output = io.StringIO() df.to_csv(output, sep='\t', header=False, index=False) output.seek(0) contents = output.getvalue() cur.copy_from(output, 'table_name', null="") # null values become '' conn.commit() ...
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Difference between Hashing a Password and Encrypting it

...sible, you apply the secure hash algorithm and you cannot get the original string back. The most you can do is to generate what's called "a collision", that is, finding a different string that provides the same hash. Cryptographically secure hash algorithms are designed to prevent the occurrence of ...
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Does Android support near real time push notification?

...M. It inherits GCM’s core infrastructure to deliver messages reliably on Android, iOS and Chrome. However they'll continue to support GCM because lot of developers are using GCM SDKs today to handle notifications, and client app upgrade takes time. As of June 26, 2012, Google Cloud Messaging is t...
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Jenkins Host key verification failed

... Change to the jenkins user and run the command manually: git ls-remote -h git@bitbucket.org:person/projectmarket.git HEAD You will get the standard SSH warning when first connecting to a new host via SSH: The authenticity of host 'bitbucket.org (20...
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How to pass the values from one activity to previous activity

.... Intent resultIntent = new Intent(); resultIntent.putExtra(PUBLIC_STATIC_STRING_IDENTIFIER, enteredTextValue); setResult(Activity.RESULT_OK, resultIntent); finish(); The final step is in the calling Activity: Override onActivityResult to listen for callbacks from the text entry Activity. Get the...
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Amazon S3 direct file upload from client browser - private key disclosure

...orary cred Once you have the cred, create a bucket policy (base 64 encoded string). Then sign the bucket policy with the temporary secret access key to generate final signature send the necessary parameters back to the UI Once this is received, create a html form object, set the required params and ...
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How to monitor network calls made from iOS Simulator

...rk request, displaying extended request details, including support for SSL and various request/reponse format, like JSON, etc... You can also configure it to sniff only requests to specific servers, not the whole traffic. It's commercial software, but there is a trial, and IMHO it's definitively a...