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What's the use of session.flush() in Hibernate
...) I have class where I am saving object using code id = session.save(obj); and transaction is committed at very next line but obj is not getting saved to DB ,Why? 2) I saved obj using session.save(obj); with commit and while returning I used return obj.getprimaryID(); In this case obj is saved to DB...
Sorted collection in Java
...n/should be used for maintaining a sorted list in Java. I have tried Map and Set , but they weren't what I was looking for.
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Controlling the screenshot in the iOS 7 multitasking switcher
... to find some information regarding the new multitasking switcher in iOS 7 and especially the screenshot that the OS takes when the app is going into hibernation.
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Writing to an Excel spreadsheet
... to write some data from my program to a spreadsheet. I've searched online and there seem to be many packages available (xlwt, XlsXcessive, openpyxl). Others suggest to write to a .csv file (never used CSV and don't really understand what it is).
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mysql Foreign key constraint is incorrectly formed error
I have two tables, table1 is the parent table with a column ID and table2 with a column IDFromTable1 (not the actual name) when I put a FK on IDFromTable1 to ID in table1 I get the error Foreign key constraint is incorrectly formed error . I would like to delete table 2 record if tab...
Passing arguments to “make run”
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@Rob: Nmake has never supported ${} for macro expansion, and it appears to be an archaic form now in make. $() is recommended by every online tutorial I've looked at. $() is also more consistent with other tools such as bash.
– John Knoeller
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Client-server synchronization pattern / algorithm?
... should look at how distributed change management works. Look at SVN, CVS and other repositories that manage deltas work.
You have several use cases.
Synchronize changes. Your change-log (or delta history) approach looks good for this. Clients send their deltas to the server; server consolidat...
How to Sign an Already Compiled Apk
...ssues with the layout xml files. I've then rebuilt it back up with apktool and when I tried to install it on my device (using adb: adb install appname.apk) it gave me this error:
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How to resolve git stash conflict without commit?
...swers
Well, you can follow them :). But I don't think that doing a commit and then resetting the branch to remove that commit and similar workarounds suggested in other answers are the clean way to solve this issue.
Clean solution
The following solution seems to be much cleaner to me and it's als...
How to access the request body when POSTing using Node.js and Express?
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Express 4.0 and above:
$ npm install --save body-parser
And then in your node app:
const bodyParser = require('body-parser');
app.use(bodyParser);
Express 3.0 and below:
Try passing this in your cURL call:
--header "Content-Type...