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Modify table: How to change 'Allow Nulls' attribute from not null to allow null

... I wrote this so I could edit all tables and columns to null at once: select case when sc.max_length = '-1' and st.name in ('char','decimal','nvarchar','varchar') then 'alter table [' + so.name + '] alter column [' + sc.name + '] ' + st.name + '(MAX) NULL' when st.name in ('char','decimal','n...
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AngularJS : automatically detect change in model

...s model being deep dirty-checked, possibly multiple times). In that case, selective $watch()es or selective ng-change would be better. – Mark Rajcok Mar 15 '13 at 3:57 add a ...
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Error 1022 - Can't write; duplicate key in table

...ere the constraints are currently in use you can use the following query: SELECT `TABLE_SCHEMA`, `TABLE_NAME` FROM `information_schema`.`KEY_COLUMN_USAGE` WHERE `CONSTRAINT_NAME` IN ('iduser', 'idcategory'); share ...
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Why doesn't logcat show anything in my Android?

... No need restart eclipse > just select your emulator or device from DDMS – Mahesh Nov 22 '12 at 11:55 1 ...
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Some questions about Automatic Reference Counting in iOS5 SDK

... existing code, you can keep using it as is with the -fno-objc-arc you can selectively disable ARC on any file. If you want to disable ARC on MULTIPLE files: Select desired files at Target/Build Phases/Compile Sources in Xcode PRESS ENTER. (double click selects only one file) Type -fno-objc-arc...
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Where is Android Studio layout preview?

... Select MainActivity.java file from the left pane, as shown in the red colored rectangle. Left click the XML Tag icon as shown in the red colored circle. Select the "activity_main.xml(layout)" option shown highlighted in the b...
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In android studio,cannot load 2 facets-unknown facet type:android and android-gradle

... For me I went to Settings -> Plugins and de-selected Gradle then immediately re-selected it. Android Studio then asked if I wanted to enable Groovy so I said yes and let it restart and now everything is happy again! (it was checked, but clearly somewhere deep down not ...
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How to run a program without an operating system?

...her such weird keys after power-on until you get a boot menu where you can select to boot from the USB. It is often possible to configure the search order in those menus. For example, on my T430 I see the following. After turning on, this is when I have to press Enter to enter the boot menu: The...
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Regex group capture in R with multiple capture-groups

...he capture group: However, in order for this to work, you must explicitly select elements outside your capture group as mentioned in the gsub() help. (...) elements of character vectors 'x' which are not substituted will be returned unchanged. So if your text to be selected lies in the mi...
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One-liner to recursively list directories in Ruby?

...elsif child.directory? rec_path(child, file) + [child] end end.select { |x| x }.flatten(1) end # only directories rec_path(Pathname.new(dir), false) # directories and normal files rec_path(Pathname.new(dir), true) ...