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What is the purpose of the “final” keyword in C++11 for functions?
...hat is the purpose of the final keyword in C++11 for functions? I understand it prevents function overriding by derived classes, but if this is the case, then isn't it enough to declare as non-virtual your final functions? Is there another thing I'm missing here?
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Updating MySQL primary key
...delete u from user_interactions u, fixit
where fixit.user_2 = u.user_2
and fixit.user_1 = u.user_1
and fixit.type = u.type
and fixit.timestamp != u.timestamp;
alter table user_interactions add primary key (user_2, user_1, type );
unlock tables;
The lock should stop further updates comi...
The necessity of hiding the salt for a hash
...ifferent for each user but is readily available to us. The other product randomly generates a salt for each user and changes each time the user changes the password. The salt is then encrypted in the database.
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jQuery & CSS - Remove/Add display:none
...hide the div
$('.news').hide();
or
$('.news').css('display','none');
and to show the div:
$('.news').show();
or
$('.news').css('display','block');
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How can I search Git branches for a file or directory?
...hell) so the shell passes the glob pattern to git unchanged, instead of expanding it (just like with Unix find).
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How to use the “required” attribute with a “radio” input field
...ll have the same name value. This allows only one to be selected at a time and applies required to the whole group.
<form>
Select Gender:<br>
<label>
<input type="radio" name="gender" value="male" required>
Male
</label><br>
<labe...
How to install pip with Python 3?
...
edit: Manual installation and use of setuptools is not the standard process anymore.
If you're running Python 2.7.9+ or Python 3.4+
Congrats, you should already have pip installed. If you do not, read onward.
If you're running a Unix-like System
You c...
“The file ”MyApp.app“ couldn't be opened because you don't have permission to view it” when running
... been changing other similar fields in my <appname>-Info.plist file, and once I'd changed Executable File back to ${EXECUTABLE_NAME} as you suggested, it built and ran.
– Slowburner
Nov 6 '14 at 3:50
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What should I set JAVA_HOME environment variable on macOS X 10.6?
...nvironment variable to start the correct version of Java, locate JRE JARs, and so on.
14 Answers
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How to remove .html from URL?
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The tip on the 301s and the browser cache is what solved my issues.
– bgfvdu3w
Feb 8 '18 at 17:10
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