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1052: Column 'id' in field list is ambiguous
I have 2 tables. tbl_names and tbl_section which has both the id field in them. How do I go about selecting the id field, because I always get this error:
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CMake: Project structure with unit tests
...tructure my project to include the production sources (in src subfolder) and tests (in test subfolder). I am using CMake to build this. As a minimal example I have the following files:
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Why should Java ThreadLocal variables be static
... avoid any static fields in your class - make the class itself a singleton and then you can safely use the an instance level ThreadLocal as long as you have that singleton available globally.
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Java List.contains(Object with field value equal to x)
...at has a field with a certain value. Now, I could use a loop to go through and check, but I was curious if there was anything more code efficient.
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How do I interactively unstage a particular hunk in git?
... according to the documentation. The short form -p also works for both commands.
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Given a URL to a text file, what is the simplest way to read the contents of the text file?
...xt file, what is the simplest way to access the contents off the text file and print the contents of the file out locally line-by-line without saving a local copy of the text file?
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How to create a custom exception type in Java? [duplicate]
... it can be thrown with a simple throw new WordContainsException(); Updated and added usage.
– Rion Williams
Dec 7 '11 at 22:52
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Two divs side by side - Fluid display
I am trying to place two divs side by side and using the following CSS for it.
8 Answers
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Express next function, what is it really for?
...cumentation it says that next('route') can be used to jump to that route and skip all routes in between, but sometimes next is called without arguments. Anybody knows of a good tutorial etc that describes the next function?
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Delete empty lines using sed
...gs (E.g. spaces). All matched lines will be removed by sed, with the d command.
– Kent
Feb 26 '17 at 19:41
Perhaps sed...