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How do I make a branch point at a specific commit? [duplicate]
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But you have to be careful about doing this. It may well rewrite the history of that branch. That would create problems if you have published it and other people are working on the branch.
Also, the git reset --hard command will throw away any uncommitted changes (i.e. those just in your working ...
How to check if an email address exists without sending an email?
... can connect to the server, and issue a VRFY command. Very few servers support this command, but it is intended for exactly this. If the server responds with a 2.0.0 DSN, the user exists.
VRFY user
You can issue a RCPT, and see if the mail is rejected.
MAIL FROM:<>
RCPT TO:<user@domain&...
How to stop Gradle task execution in Android Studio?
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Error: Could not find or load main class org.gradle.wrapper.GradleWrapperMain
– kartikag01
Sep 5 '16 at 18:23
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Where does Jenkins store configuration files for the jobs it runs?
I'm adding continuous integration to an EC2 project at work using Jenkins. The Jenkins machine itself is kept on an EC2 machine - one that might need to be taken offline and brought back on an entirely different EC2 instance at any point. We have a bunch of Puppet manifests allowing us to easily rei...
What is the difference between shallow copy, deepcopy and normal assignment operation?
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Normal assignment operations will simply point the new variable towards the existing object. The docs explain the difference between shallow and deep copies:
The difference between shallow and deep copying is only relevant...
How to initialise memory with new operator in C++?
...bits. If I have just allocated an array of type int with the new operator, how can I initialise them all to 0 without looping through them all myself? Should I just use memset ? Is there a “C++” way to do it?
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JS - get image width and height from the base64 code
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I would also add that the order here is very important. If you do this the other way around (src before onload) you may miss the event. See: stackoverflow.com/a/2342181/4826740
– maxshuty
Apr 4 '17 at 17:58
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How do I get the day of the week with Foundation?
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NSDateFormatter *dateFormatter = [[[NSDateFormatter alloc] init] autorelease];
[dateFormatter setDateFormat:@"EEEE"];
NSLog(@"%@", [dateFormatter stringFromDate:[NSDate date]]);
outputs current day of week as a string in locale ...
Difference between “!==” and “==!” [closed]
...else. I was baffled that a simple comparison ( if ($var ==! " ") ) didn't work as expected. After some testing I realized that whoever wrote that code used ==! instead of !== as comparison operator. I've never seen ==! in any language so I wondered how the hell this code could even work and di...
Get controller and action name from within controller?
For our web application I need to save the order of the fetched and displayed items depending on the view - or to be precise - the controller and action that generated the view (and the user id of course, but that's not the point here).
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