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Simplest way to check if key exists in object using CoffeeScript
... to JavaScript's key in obj. (CoffeeScript uses of when referring to keys, and in when referring to array values: val in arr will test whether val is in arr.)
thejh's answer is correct if you want to ignore the object's prototype. Jimmy's answer is correct if you want to ignore keys with a null or ...
Git: can I suppress listing of 'modified content'/dirty submodule entries in status, diff, etc?
...module within the .gitmodules file.
Just today I encountered this problem and immediately wrote an article in my blog about it after finding a solution: How to ignore changes in git submodules
The gist of it:
Once you added a submodule there will be a file named .gitmodules in the root of your...
Invoke(Delegate)
...Controls work
Controls in Windows Forms are bound to a specific thread and are not
thread safe. Therefore, if you are calling a control's method from a
different thread, you must use one of the control's invoke methods to
marshal the call to the proper thread. This property can be used to
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Gradle proxy configuration
...e causes for issues, I manually add the Artifactory plugin in build.gradle and run it from command line:
14 Answers
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How do you convert a time.struct_time object into a datetime object?
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@richvdh: C standard specifies that mktime() should take tm_isdst into account and Python time.mktime() calls C mktime() function on CPython. mktime() may choose the wrong local time when it is ambiguous (e.g., during end-of-DST ("fall ba...
How to revert a merge commit that's already pushed to remote branch?
git revert <commit_hash> alone won't work. -m must be specified, and I'm pretty confused about it.
16 Answers
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What's causing my java.net.SocketException: Connection reset? [duplicate]
...e unsure as to where the Connection reset error is actually coming from, and how to go about debugging.
14 Answers
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What exactly does git rebase --skip do?
I just did a git pull --rebase origin master and there was a conflict.
1 Answer
1
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How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?
...elow for 400
return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
and for correct request
return new ResponseEntity<>(json,HttpStatus.OK);
UPDATE 1
after spring 4.1 there are helper methods in ResponseEntity could be used as
return ResponseEntity.status(HttpStatus.BAD_REQUEST).bo...
Best GWT widget library? [closed]
...the GWT gurus out there - which is the best GWT widgets library out there? And why?
27 Answers
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