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Rails: create on has_one association

... 123 First of all, here is how to do what you want: @user = current_user @shop = Shop.create(params...
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How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he

... You can use strcmp: break x:20 if strcmp(y, "hello") == 0 20 is line number, x can be any filename and y can be any variable. share | improve this an...
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How to check for Is not Null And Is not Empty string in SQL server?

... 329 If you only want to match "" as an empty string WHERE DATALENGTH(COLUMN) > 0 If you want...
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How to write an async method with out parameter?

... 283 You can't have async methods with ref or out parameters. Lucian Wischik explains why this is ...
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Java unchecked: unchecked generic array creation for varargs parameter

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Linux command to list all available commands and aliases

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How do I enable the column selection mode in Eclipse?

... edited May 18 '18 at 13:12 Leos313 3,16244 gold badges2323 silver badges5454 bronze badges answered Jun...
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Can't start site in IIS (use by another process)

...command to find the task from your command prompt: tasklist /FI "PID eq 123" Note: change 123 with the PID returned from the first command. share | improve this answer | ...
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How to change the decimal separator of DecimalFormat from comma to dot/point?

... 328 You can change the separator either by setting a locale or using the DecimalFormatSymbols. If ...
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How do I find which rpm package supplies a file I'm looking for?

...um would install the mod_files.sh file with the php-devel x86_64 5.1.6-23.2.el5_3 package, but the file appears to not to be installed on my filesystem. ...