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Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?
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After deleting large data, user have to shrink the tables and log files also to reclaim the disk space.
– Muhammad Yousaf Sulahria
Oct 22 '16 at 16:15
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What is the difference between syntax and semantics in programming languages?
What is the difference between syntax and semantics in programming languages (like C, C++)?
10 Answers
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JUnit: how to avoid “no runnable methods” in test utils classes
... I don't think it would help, because he moved to JUnit 4.4 and that should not matter.
– guerda
Mar 23 '09 at 7:46
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How do I scroll to an element using JavaScript?
...e an anchor to "focus" the div. I.e:
<div id="myDiv"></div>
and then use the following javascript:
// the next line is required to work around a bug in WebKit (Chrome / Safari)
location.href = "#";
location.href = "#myDiv";
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Measure elapsed time in Swift
...Project Euler problems in Swift
As of Swift 3, there is now a version of Grand Central Dispatch that is "swiftified". So the correct answer is probably to use the DispatchTime API.
My function would look something like:
// Swift 3
func evaluateProblem(problemNumber: Int, problemBlock: () -> Int) ...
combinations between two lists?
It’s been a while and I’m having trouble wrapping my head around a algorithm I’m try to make. Basically, I have two lists and want to get all the combinations of the two lists.
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Use HTML5 to resize an image before upload
I have found a few different posts and even questions on stackoverflow answering this question. I am basically implementing this same thing as this post .
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How to hash a password
... byte array you could use
var data = Encoding.ASCII.GetBytes(password);
and to get back string from md5data or sha1data
var hashedPassword = ASCIIEncoding.GetString(md5data);
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iPhone Debugging: How to resolve 'failed to get the task for process'?
...ust added a provisioning profile to XCode (needed to support notifications and in app purchase), setup as needed the build configuration for ad hoc distribution, and tried to run the app on the device (I have done this several times in the past, without any problem).
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How to drop columns using Rails migration
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And make sure to do this inside up and down methods, not change, as explained in the answer by @Powers.
– XåpplI'-I0llwlg'I -
Aug 30 '13 at 5:32
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