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How to access parent Iframe from JavaScript

...imply a matter of iterating through the parent window's frames[] array and testing each frame's contentWindow against the window in which your code is running. Example: var arrFrames = parent.document.getElementsByTagName("IFRAME"); for (var i = 0; i < arrFrames.length; i++) { if (arrFrames[i]...
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Java: Detect duplicates in ArrayList?

...- it just needs to be consistent with your definition of equality), the fastest duplicate removal solution is going to sort the list ( 0(n log(n)) ) then to do a single pass and look for repeated elements (that is, equal elements that follow each other) (this is O(n)). The overall complexity is goi...
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Unix tail equivalent command in Windows Powershell

... documented well in v2. Here is an example Get-Content -Path "C:\scripts\test.txt" -Wait Once you run this, update and save the file and you will see the changes on the console. share | improve ...
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window.location.reload with clear cache [duplicate]

...avaScript but I want to clear cache too, so on page refresh the page has latest versions of everything from server. Other browsers except IE are not getting latest content. ...
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How to use Git Revert

...e clear, with a log like this: # git log --oneline cb76ee4 wrong 01b56c6 test 2e407ce first commit Using git revert cb76ee4 will by default bring your files back to 01b56c6 and will add a further commit to your history: 8d4406b Revert "wrong" cb76ee4 wrong 01b56c6 test 2e407ce first commit gi...
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Generate random password string with requirements in javascript

...t = String.fromCharCode(this._getRandomByte()); if(this._pattern.test(result)) { return result; } } }, this) .join(''); } }; <input type='text' id='p'/><br/> <input type='button' value ='generate' oncl...
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Force drop mysql bypassing foreign key constraint

...technical_specification`, `pwishlist`, `role_perms`, `roles`, `settings`, `test`, `testanother`, `user_perms`, `user_roles`, `users`, `wishlist`; | +-------------------------------------------------------------------------------------------------------------------------------------------------------...
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How to check whether a string is a valid HTTP URL?

... Try this to validate HTTP URLs (uriName is the URI you want to test): Uri uriResult; bool result = Uri.TryCreate(uriName, UriKind.Absolute, out uriResult) && uriResult.Scheme == Uri.UriSchemeHttp; Or, if you want to accept both HTTP and HTTPS URLs as valid (per J0e3gan's ...
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Copy array by value

... Regarding performance the following jsPerf tests actually show that var arr2 = arr1.slice() is just as fast as var arr2 = arr1.concat(); JSPerf: jsperf.com/copy-array-slice-vs-concat/5 and jsperf.com/copy-simple-array . The result of jsperf.com/array-copy/5 kind of s...
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Remove accents/diacritics in a string in JavaScript

...he Combining Diacritical Marks Unicode block. See comment for performance testing. Alternatively, if you just want sorting Intl.Collator has sufficient support ~95% right now, a polyfill is also available here but I haven't tested it. const c = new Intl.Collator(); ["creme brulee", "crème brulée"...