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How to redirect stderr to null in cmd.exe
...pect copy foo.txt con >> bar 2>nul. bar will contain the text one file(s) copied and the console will containt the content of foo.txt.
– Patrick Fromberg
Jul 2 '14 at 8:31
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Get the new record primary key ID from MySQL insert query?
... a MySQL INSERT into one of my tables and the table has the column item_id which is set to autoincrement and primary key .
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Android hide listview scrollbar?
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Try to type this in layout xml file
android:scrollbars="none"
Tutorial is here.
http://developer.android.com/reference/android/view/View.html#attr_android:scrollbars
Hope, it helps you
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Stop Mongoose from creating _id property for sub-document array items
If you have subdocument arrays, Mongoose automatically creates ids for each one. Example:
6 Answers
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Grouped LIMIT in PostgreSQL: show the first N rows for each group?
...)
SELECT
*
FROM (
SELECT
ROW_NUMBER() OVER (PARTITION BY section_id ORDER BY name) AS r,
t.*
FROM
xxx t) x
WHERE
x.r <= 2;
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How do I get the backtrace for all the threads in GDB?
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To save the output to a file: gdb <binary> <coredump> -ex "thread apply all bt" -ex "quit" > output.log
– Doomsday
Mar 28 '18 at 9:32
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How do I drop a foreign key constraint only if it exists in sql server?
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The more simple solution is provided in Eric Isaacs's answer. However, it will find constraints on any table. If you want to target a foreign key constraint on a specific table, use this:
IF EXISTS (SELECT *
FROM sys.foreign_keys
WHERE object_id = O...
Android TextView Justify Text
... I mentioned in those threads, I found a resolution: if you create an HTML file and place it in the assets, loading it via view.loadUrl() works, whereas view.loadData() does not. I have no clue why the latter doesn't.
– Paul Lammertsma
Sep 12 '11 at 22:13
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How to check an Android device is HDPI screen or MDPI screen?
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type="bool"
name="is_xxhdpi">[bool]</item>
to 4 values.xml files, put these under corresponding res/values-[xxx]/ folders.
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In CSS what is the difference between “.” and “#” when declaring a set of styles?
...yles for an element and what are the semantics that come into play when deciding which one to use?
9 Answers
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