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Incomplete type is not allowed: stringstream
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Some of the system headers provide a forward declaration of std::stringstream without the definition. This makes it an 'incomplete type'. To fix that you need to include the definition, which is provided in the <sstream> header:
#include <sstream>
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IntelliJ beginning of file keyboard shortcut
... shortcut to move to the beginning of a file? I checked IntelliJ's Keymap for Mac OS X and it doesn't list anything for navigating to the start of a file.
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difference between primary key and unique key
...e key
Unique key can be NULL ; multiple rows can have NULL values and therefore may not be considered "unique"
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Resolving conflicts: how to accept “their” changes automatically?
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Those are three lines to add to one's own .hgrc, for the newbies: [alias], then mine = resolve -t internal:local, then theirs = resolve -t internal:other. After that you can use hg mine some_file.py or hg theirs -a (for All)
– Tobia
Ap...
Determine if ActiveRecord Object is New
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Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
Stream.Seek(0, SeekOrigin.Begin) or Position = 0
...lute position and Seek when setting a relative position. Both are provided for convenience so you can choose one that fits the style and readability of your code. Accessing Position requires the stream be seekable so they're safely interchangeable.
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What is the syntax for “not equal” in SQLite?
... @ban-geoengineering, here is a bunch of comments presenting arguments for usage of != or <>.
– user8554766
Jan 14 '19 at 11:39
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SQLite string contains other string query
... Keep in mind that this isn't suitable where the string you're searching for is variable or contains a special character such as %.
– Sam
May 24 '13 at 1:32
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jQuery UI datepicker change event not caught by KnockoutJS
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I think that for the jQuery UI datepicker it is preferable to use a custom binding that will read/write with Date objects using the APIs provided by the datepicker.
The binding might look like (from my answer here):
ko.bindingHandlers.d...
Javadoc @see or {@link}?
...e thing multiple times in the description, and it is used as a replacement for multiple links to the same.
I based this opinion on randomly checking out documentation for a great variety of things in the standard library.
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