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How to parse JSON in Java

...").getString("pageName"); JSONArray arr = obj.getJSONArray("posts"); for (int i = 0; i < arr.length(); i++) { String post_id = arr.getJSONObject(i).getString("post_id"); ...... } You may find more examples from: Parse JSON in Java Downloadable jar: http://mvnrepository.com/artifact/o...
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Create a list from two object lists with linq

...turns an identifier for this instance /// </summary> public override int GetHashCode() { return Name.GetHashCode(); } /// <summary> /// Checks if the provided Person is equal to the current Person /// </summary> /// <param name="personToCompareTo">Person to compare to th...
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How to debug heap corruption errors?

...8. On seemingly random occasions, I get a "Windows has triggered a break point..." error with a note that this might be due to a corruption in the heap. These errors won't always crash the application right away, although it is likely to crash short after. ...
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Android RelativeLayout programmatically Set “centerInParent”

...ertical with true and false. private void addOrRemoveProperty(View view, int property, boolean flag){ RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) view.getLayoutParams(); if(flag){ layoutParams.addRule(property); }else { layoutParams.removeRu...
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Difference between char* and const char*?

... char* is a mutable pointer to a mutable character/string. const char* is a mutable pointer to an immutable character/string. You cannot change the contents of the location(s) this pointer points to. Also, compilers are required to give error mes...
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What does iterator->second mean?

...air containing the key and its associated value. std::map<std::string, int> m = /* fill it */; auto it = m.begin(); Here, if you now do *it, you will get the the std::pair for the first element in the map. Now the type std::pair gives you access to its elements through two members: first a...
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Update value of a nested dictionary of varying depth

... Another minor "feature" causes this to raise TypeError: 'int' object does not support item assignment. when you, e.g. update({'k1': 1}, {'k1': {'k2': 2}}). To change this behavior, and instead expand the depth of dictionaries to make room for deeper dictionaries you can add an eli...
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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [

... so 8 validation errors. Actually you should see the errors if you drill into that array in Visual studio during debug. But you can also catch the exception and then write out the errors to some logging store or the console: try { // Your code... // Could also be before try if you know th...
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How to give ASP.NET access to a private key in a certificate in the certificate store?

...rchase certificate. Make sure it has a private key. Import the certificate into the "Local Computer" account. Best to use Certificates MMC. Make sure to check "Allow private key to be exported" Based upon which, IIS 7.5 Application Pool's identity use one of the following. IIS 7.5 Website is runni...
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Java client certificates over HTTPS/SSL

... Finally solved it ;). Got a strong hint here (Gandalfs answer touched a bit on it as well). The missing links was (mostly) the first of the parameters below, and to some extent that I overlooked the difference between keystores and truststores. The self-signed...