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Allow user to select camera or gallery for image

...e)); yourIntentsList.add(finalIntent); } List<ResolveInfo> listGall = packageManager.queryIntentActivities(gallIntent, 0); for (ResolveInfo res : listGall) { final Intent finalIntent = new Intent(gallIntent); finalIntent.setComponent(new ComponentName(res.activityInfo.packageName,...
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Easy way to test a URL for 404 in PHP?

...hat sometimes the URL's that I feed into my code return 404, which gums up all the rest of my code. 15 Answers ...
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remove legend title in ggplot

... This will remove all legend titles. For more local control, the guide = guide_legend() command works. To remove the fill legend title, but to keep the color legend title, e.g. scale_fill_brewer(palette = "Dark2", guide = guide_legend(title = ...
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How can I get zoom functionality for images?

...t this might slow it down. 3. Do you have a phone you could test on? 4. If all else fails, see if multiplying mScaleFactor by 2 (if > 1) or 0.5 (if < 1) helps your situation. – Mike Ortiz Oct 4 '11 at 0:51 ...
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Use RSA private key to generate public key?

I don't really understand this one: 9 Answers 9 ...
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Should I pass a shared_ptr by reference? [duplicate]

...mber of bugs arise from improper lifetime management. What's worse conceptually is that it is never clear who owns the objects whose pointers the container stores. The pointers could even be a mix of pointers to dynamic objects, automatic objects, and garbage. Nobody can tell. So the standard soluti...
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Empty arrays seem to equal true and false at the same time

... You're testing different things here. if (arr) called on object (Array is instance of Object in JS) will check if the object is present, and returns true/false. When you call if (arr == false) you compare values of this object and the primitive false value. Internally, a...
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Extracting Nupkg files using command line

Firstly, I do not want to use Visual Studio at all when dealing with the certain .nupkg files. 6 Answers ...
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Why is char[] preferred over String for passwords?

... believe this is implementation-specific - the garbage collector may clear all memory as it goes, to avoid this sort of thing. Even if it does, there's still the time during which the char[] contains the actual characters as an attack window. ...
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How do popular apps authenticate user requests from their mobile app to their server?

...I imagine they use a "token" based security system, so the password is actually never stored anywhere, just used the first time to authenticate. So the app initially posts the username/password (over ssl) and the server returns a token that the app stores. For subsequent sync attempts the token is s...