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How do I turn off Oracle password expiration?

...racle first check which profile the user is using: select profile from DBA_USERS where username = '<username>'; Then you can change the limit to never expire using: alter profile <profile_name> limit password_life_time UNLIMITED; If you want to previously check the limit you may us...
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Groovy Shell warning “Could not open/create prefs root node …”

... Is it possible to do this progmatically? – facetoe Oct 15 '13 at 6:20 13 ...
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What is base 64 encoding used for?

...you have some binary data that you want to ship across a network, you generally don't do it by just streaming the bits and bytes over the wire in a raw format. Why? because some media are made for streaming text. You never know -- some protocols may interpret your binary data as control character...
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How to sort an array of integers correctly

... By default, the sort method sorts elements alphabetically. To sort numerically just add a new method which handles numeric sorts (sortNumber, shown below) - var numArray = [140000, 104, 99]; numArray.sort(function(a, b) { return a - b; }); console.log(numArray); ...
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How to create a memory leak in Java?

...a thread pool to leak even faster). The thread loads a class via an (optionally custom) ClassLoader. The class allocates a large chunk of memory (e.g. new byte[1000000]), stores a strong reference to it in a static field, and then stores a reference to itself in a ThreadLocal. Allocating the extra ...
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How do I undo 'git add' before commit?

...ing anything else. You can use git reset without any file name to unstage all due changes. This can come in handy when there are too many files to be listed one by one in a reasonable amount of time. In old versions of Git, the above commands are equivalent to git reset HEAD <file> and git re...
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How to convert latitude or longitude to meters?

...a javascript function: function measure(lat1, lon1, lat2, lon2){ // generally used geo measurement function var R = 6378.137; // Radius of earth in KM var dLat = lat2 * Math.PI / 180 - lat1 * Math.PI / 180; var dLon = lon2 * Math.PI / 180 - lon1 * Math.PI / 180; var a = Math.sin(dL...
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How to center align the cells of a UICollectionView?

...nt, you could adjust that one too, if you want to center the content vertically in the screen. share | improve this answer | follow | ...
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What is the difference between DSA and RSA?

...being a bit more complex than, but related to El Gamal. Note that nearly all the calculations are mod q, and hence are much faster. But, In contrast to RSA, DSA can be used only for digital signatures DSA Security The presence of a subliminal channel exists in many schemes (any that need a ran...
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REST API - why use PUT DELETE POST GET?

...rough some articles on creating REST API's. And some of them suggest using all types of HTTP requests: like PUT DELETE POST GET . We would create for example index.php and write API this way: ...