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Postgresql: Conditionally unique constraint
...le slower, the advantage of the exclude solution is that it is deferrable (and by default defers until the end of the statement). In contrast, the accepted unique index solution cannot be deferred (and is checked after every row change). So a bulk update is often not possible because steps during th...
jQuery selector for inputs with square brackets in the name attribute
...attribute selector syntax is [name=value] where name is the attribute name and value is the attribute value.
So if you want to select all input elements with the attribute name having the value inputName[]:
$('input[name="inputName[]"]')
And if you want to check for two attributes (here: name an...
How to concatenate two IEnumerable into a new IEnumerable?
...erator will attempt to use the two passed-in enumerable items (call them A and B) in sequence. If the passed-in enumerables represent sequences which will not change during the lifetime of Cat, and which can be read from without side-effects, then Cat may be used directly. Otherwise, it may be a g...
How to exclude specific folders or files from validation in Eclipse?
...of malformed XML files used in unit tests to check if our application can handle them.
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How do I configure a Python interpreter in IntelliJ IDEA with the PyCharm plugin?
... Project Structure.
Under the Project menu for Project SDK, select "New" and
Select "Python SDK", then select "Local".
Provided you have a Python SDK installed, the flow should be natural from there - navigate to the location your Python installation lives.
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Using C++ library in C code
...lemented in C++.
If you need to expose a full C++ class with data members and methods, then you may need to do more work than this simple function example.
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HTML Submit-button: Different value / button-text?
...ing what you could do (I use the different field name one) but the simple (and as-yet unstated) answer to your question is 'no' - you can't have a different text and value using just HTML.
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Match whole string
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Use the start and end delimiters: ^abc$
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How to get the parents of a merge commit in git?
Some git commands take the parent as a revision; others (such as git revert ), as a parent number. How to get the parents for both cases. I don’t want to use the graphical log command as that often requires scrolling down a long tree to find the second parent.
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MS-DOS Batch file pause with enter key
Is it possible in MS-DOS batch file to pause the script and wait for user to hit enter key?
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