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Reasons that the passed Intent would be NULL in onStartCommand

...of function. Edit: Ok, I found it in the documentation of START_STICKY of all places! "if there are not any pending start commands to be delivered to the service, it will be called with a null intent object, so you must take care to check for this." http://developer.android.com/reference/android/a...
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How can I disable editing cells in a WPF Datagrid?

...e it is disabled. Disabled and ReadOnly are different because ReadOnly normally lets you select the text for copying. When you set the DataGrid to be ReadOnly you can no longer select text in the cells. – Nick Oct 5 '16 at 0:04 ...
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Test if element is present using Selenium WebDriver?

... Good call djangofan! I successfully used this strategy by changing the driver timeouts' implicit wait to zero, then changing it back to its previous value. – emery May 27 '15 at 17:18 ...
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How to read the content of a file to a string in C?

... 0, SEEK_END); length = ftell (f); fseek (f, 0, SEEK_SET); buffer = malloc (length); if (buffer) { fread (buffer, 1, length, f); } fclose (f); } if (buffer) { // start to process your data / extract strings here... } ...
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Operator Overloading with C# Extension Methods

...hods to add an operater overload to the C# StringBuilder class. Specifically, given StringBuilder sb , I'd like sb += "text" to become equivalent to sb.Append("text") . ...
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How to convert enum value to int?

...stants will break if new constants are added, and two the API docs specifically recommend against it. – jordanpg Oct 28 '14 at 3:26 8 ...
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Faster way to develop and test print stylesheets (avoid print preview every time)?

... this might not reflect the same view as provided in print preview - espacially when it comes to extra whitespace - make sure, your print preview in not different after you're done with this substep. – jave.web May 12 '17 at 2:14 ...
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Boolean.hashCode()

...ite objects it's common to add the hash codes for the components. If too small values are used in a hash set with a large number of buckets there's a risk of ending up with an uneven distribution of objects. Do collisions matter? Booleans just have two different values anyway? Maps can contain bool...
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Best way to store a key=>value array in JavaScript?

...lue for a Map. You can get the size of a Map easily while you have to manually keep track of size for an Object. share | improve this answer | follow | ...
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Convert System.Drawing.Color to RGB and Hex Value

...t be null and c.R.ToString(), c.G.ToString(), and c.B.ToString() can't actually fail (the only way I can see them failing is with a NullReferenceException, and none of them can actually be null). You could clean the whole thing up using the following: private static String HexConverter(System.Draw...