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Oracle: how to UPSERT (update or insert into a table?)

...e mergetest(a number, b number); call ups(10); call ups(10); call ups(20); select * from mergetest; A B ---------------------- ---------------------- 10 2 20 1 s...
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Inspect element that only appear when other element is mouse overed/entered

...to the Elements panel and use the magnifying glass icon in the top left to select the tooltip If the tooltip shows up because of CSS, here's what you can do in that case: Step-by-step: Open the DevTools Select the triggering element in the dev tools (the link) Right click, and select "force el...
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How to bind RadioButtons to an enum?

..., Converter={StaticResource enumBooleanConverter}, ConverterParameter=FirstSelection}">first selection</RadioButton> <RadioButton IsChecked="{Binding Path=VeryLovelyEnum, Converter={StaticResource enumBooleanConverter}, ConverterParameter=TheOtherSelection}">the other selection&...
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Can't compile project when I'm using Lombok under IntelliJ IDEA

...ation processing is checked. Ensure Store generates sources relative to is selected based on the project's module settings (if Module output directory doesn't work, come back and try the other setting). Click Apply. Click Plugins. Click Marketplace. Set search field to: lombok Install Lombok. Click ...
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How to export iTerm2 Profiles

...fter you reinstalled your OS. If the Save settings to Folder is disabled, select a folder (e.g. empty) in the Load preferences from a custom folder or URL: text box. In iTerm2 3.3 on OSX the sequence is: iTerm2 menu, Preferences, General tab, Preferences subtab ...
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The target … overrides the `OTHER_LDFLAGS` build setting defined in `Pods/Pods.xcconfig

...n your project, find Target -> Build Settings -> Other Linker Flags, select Other Linker Flags, press delete(Mac Keyboard)/Backspace(Normal keyboard) to recover the setting. It works for me. Example: Before After ...
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Log all queries in mysql

...global general_log = 1; SET global log_output = 'table'; View the log select * from mysql.general_log Disable Query logging on the database SET global general_log = 0; share | improve thi...
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Rails: Using greater than/less than with a where statement

...s behavior. User.where(id: 201..Float::INFINITY) will generate the SQL SELECT `users`.* FROM `users` WHERE (`users`.`id` >= 201) The same can be done for less than with -Float::INFINITY. I just posted a similar question asking about doing this with dates here on SO. >= vs > To avo...
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Where can I find the IIS logs?

... %SystemDrive%\inetpub\logs\LogFiles Otherwise, check under IIS Manager, select the computer on the left pane, and in the middle pane, go under "Logging" in the IIS area. There you will se the default location for all sites (this is however overridable on all sites) You could also look into %Sy...
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What is in your Mathematica tool bag? [closed]

...pplication of Reap and Sow which mimics/extends the behavior of GatherBy: SelectEquivalents[x_List,f_:Identity, g_:Identity, h_:(#2&)]:= Reap[Sow[g[#],{f[#]}]&/@x, _, h][[2]]; This allows me to group lists by any criteria and transform them in the process. The way it works is that a c...