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Determine if Android app is being used for the first time

...SET_APP_RUN_FIRST_TIME, "FIRST"); return App_runFirst; } } Now Open Your Activity & Initialize . private SharedPreference sharedPreferenceObj; // Declare Global Now Call this in OnCreate section sharedPreferenceObj=new SharedPreference(YourActivity.this)...
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Method has the same erasure as another method in type

... formally equal to my superclass' signature, your method still overrides. Now, time passes and you decide you are ready to update your class. But you screw up a little, and instead of editing the existing, raw toList() method, you add a new method like this: class Overrider extends CollectionConve...
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Provide an image for WhatsApp link sharing

...orithm if you haven't already. If you completed the steps above, you can now see your preview in WhatsApp! However, be aware of the "please note" section above. Step 7: og:type In order for your object to be represented within the graph, you need to specify its type. Here's a list of the global ...
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Get an object properties list in Objective-C

...ion, which is mainly taken from an Apple code sample (can't remember right now the exact source): static const char *getPropertyType(objc_property_t property) { const char *attributes = property_getAttributes(property); char buffer[1 + strlen(attributes)]; strcpy(buffer, attributes); ...
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Is Redis just a cache?

...r_text "No, its a lot more" answered_by 15 votes 1 OK Handling Up Votes Now, everytime someone upvotes a question or an answer, you just need to do this $ HINCRBY question:1 votes 1 (integer) 1 $ HINCRBY question:1 votes 1 (integer) 2 List of Questions for Homepage Next, we want to store the...
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Javascript object Vs JSON

...est-of-drawers in the post, so you dismantle it (read, stringify it). It's now useless in terms of furniture. It is now JSON. Its in flat pack form. {"color":"red","numberOfDrawers":4} When you receive it, you then rebuild the chest-of-drawers (read, parse it). Its now back in an object form. Th...
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How do you increase the max number of concurrent connections in Apache?

...2 process can service only 50 concurrent connections/clients i.e. 25x2=50. Now if more concurrent users comes, then another child process will start, that can service another 25 users. But how many child processes can be started is controlled by ServerLimit parameter, this means that in the configur...
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What's the best way to store co-ordinates (longitude/latitude, from Google Maps) in SQL Server?

... 2010) and you will be sad! Update Jul 2017 For those reading this answer now, it is obsolete as it refers to backdated technology stack. See comments for more details. share | improve this answer...
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What blocks Ruby, Python to get Javascript V8 speed? [closed]

...mple, for certain operations, Rubinius's Hash class is faster than YARV's. Now, this doesn't sound terribly exciting until you realize that Rubinius's Hash class is implemented in 100% pure Ruby, while YARV's is implemented in 100% hand-optimized C. So, at least in some cases, Rubinius can generate...
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How to use ssh agent forwarding with “vagrant ssh”?

... user to "git clone" but I can not use "root" user to "git clone". Do you know what seem to be the issue? Thanks – Nam Nguyen Jan 20 '14 at 8:31 7 ...