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What's the difference between QMainWindow, QWidget and QDialog?
...tions to make it work well with common buttons on dialogs (accept, reject, etc.).
QMainWindow is designed around common needs for a main window to have. It has predefined places for a menu bar, a status bar, a toolbar, and other widgets. It does not have any built-in allowances for buttons like Q...
How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du
...ou just need to ensure that all resources, CSS, Javascript and image files etc in the web page HTML need to use absolute URLs' then you use JavaScript to get the outer HTML and pass it to GrabzIt's API.
– PHP Rocks
May 11 '18 at 10:34
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What does #defining WIN32_LEAN_AND_MEAN exclude exactly?
... mention the "repercussions" of not using the define (WinSock name clashes etc).
– 0xC0000022L
Apr 20 at 12:26
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Is there a command to undo git init?
..."if you just inited it"- what if i've done some stuff since, a few commits etc, would simply removing this be a problem?
– Yarin
Jul 9 '10 at 12:23
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Run Java Code Online [closed]
codepad.org allow you to run C,C++,D etc code online but not Java... is there a site that I can use for Java?
9 Answers
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How to parse/format dates with LocalDateTime? (Java 8)
... like "Can't create Instant" or "Zone offset missing" or "unknown zone id" etc.
Unable to obtain OffsetDateTime from TemporalAccessor
Unable to obtain ZonedDateTime from TemporalAccessor
Unable to obtain LocalDateTime from TemporalAccessor
Unable to obtain Instant from TemporalAccessor
Does it c...
How should I organize Python source code? [closed]
...s utils.py for this example)
Move whatever classes, functions, statements, etc you need from main.py into utils.py
In main.py add a single line at the top: import utils
Conceptually what this does is to create a new module called utils in another source file. You can then import it wherever it's ...
php Replacing multiple spaces with a single space [duplicate]
... Unlike other answers, this command only replaces spaces (not newlines, etc...), which is exactly what is needed! Thank you so much!
– itoctopus
Oct 23 '19 at 12:21
add a c...
c++ boost::multi_index composite keys efficiency - C/C++ - 清泛网 - 专注C/C++及内核技术
...performed by the first key, then the second key if the first one is equal, etc". Does this mean that the structure is stored such that a lookup for a specific 2-part composite key will take O(n=1) time, i.e. is the container sorted such that there is a pointer directly to each item, or does the boos...
CORS - What is the motivation behind introducing preflight requests?
...rticular HTTP verb", "Now I'll allow cookies/auth information to be sent", etc. This scenario benefits from the preflight mechanism.
New servers that are written with an awareness of CORS. According to standard security practices, the server has to protect its resources in the face of any incoming r...