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Why would someone use WHERE 1=1 AND in a SQL clause?

...' is replaced at runtime by an actual parameter value selected from a drop-down box. The choices in the drop-down are given by: select distinct a from t union all select '*' from sysibm.sysdummy1 so that you get all possible values plus "*". If the user selects "*" from the drop down box (meani...
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Android 4.2: back stack behaviour with nested fragments

...ackStack(String name), by pressing the back button the system does not run down the back stack to the previous fragment. On the other hand, when using getFragmentManager() and addToBackStack(String name), by pressing the back button the system returns to the previous fragment. ...
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Swift - Split string over multiple lines

...x to be solved in a reasonable amount of time" and to consider breaking it down to simpler expressions. That's ugly but easy enough to accomplish, just wrap sections in parens. – clearlight Dec 7 '14 at 0:02 ...
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Is there a ceiling equivalent of // operator in Python?

... You can just do upside-down floor division: def ceildiv(a, b): return -(-a // b) This works because Python's division operator does floor division (unlike in C, where integer division truncates the fractional part). This also works with Pyt...
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Send a pull request on GitHub for only latest commit

...branch my-feature-request 9685770 git checkout my-feature-request git pull https://github.com/original_project/original_project.git git cherry-pick b67627b git push origin my-feature-request Then I picked my-feature-request as the branch for my pull request to the original project. ...
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ERROR 2006 (HY000): MySQL server has gone away

...one via client-side only configuration/options, and I wasn't willing to go down a programmatic solution via PHP or other. – Richard Sitze Dec 16 '12 at 21:15 160 ...
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Group query results by month and year in postgresql

... Take a look at example E of this tutorial -> https://www.postgresqltutorial.com/postgresql-group-by/ You need to call the function on your GROUP BY instead of calling the name of the virtual attribute you created on select. I was doing what all the answers above recom...
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Put buttons at bottom of screen with LinearLayout?

..._width="fill_parent" android:layout_height="78dp" android:id="@+id/down" android:layout_alignParentBottom="true" > <include android:layout_width="fill_parent" android:layout_height="78dp" layout="@layout/footer" > </include> </LinearLayo...
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How to get distinct values from an array of objects in JavaScript?

...many of the performance pitfalls involved (obsolete jsperf). Performance https://jsperf.com/filter-vs-dictionary-more-data When I ran this dictionary was 96% faster. share | improve this answer ...
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How to resize images proportionally / keeping the aspect ratio?

... have images that will be quite big in dimension and I want to shrink them down with jQuery while keeping the proportions constrained, i.e. the same aspect ratio. ...