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Why is it important to override GetHashCode when Equals method is overridden?

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Check if element is visible in DOM

...; return (style.display === 'none') } Option #2 is probably a little more straightforward since it accounts for more edge cases, but I bet its a good deal slower, too, so if you have to repeat this operation many times, best to probably avoid it. ...
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Display current time in 12 hour format with AM/PM

...snippet : DateFormat dateFormat = new SimpleDateFormat("hh:mm a"); Read more on documentation - SimpleDateFormat java 7 share | improve this answer | follow ...
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What are the rules about using an underscore in a C++ identifier?

...SIX 2008 reserved symbols are defined here. The restrictions are somewhat more nuanced than those above. share | improve this answer | follow | ...
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Dialog to pick image from gallery or from camera

...ermission, then using this Intent as a fallback throws SecurityException. More info: plus.google.com/+AndroidDevelopers/posts/e9kyM7VXajz – tasomaniac Jan 12 '17 at 8:46 ...
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How can I get column names from a table in SQL Server?

... You can obtain this information and much, much more by querying the Information Schema views. This sample query: SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = N'Customers' Can be made over all these DB objects: CHECK_CONSTRAINTS COLUMN_DOMAIN_USAG...
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Change Circle color of radio button

... More simple, just set the buttonTint color: (only works on api level 21 or above) <RadioButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/radio" android:check...
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Determine a string's encoding in C#

... to check of the file (to save processing). Higher // value is slower, but more reliable (especially UTF-8 with special characters // later on may appear to be ASCII initially). If taster = 0, then taster // becomes the length of the file (for maximum reliability). 'text' is simply // the string wit...
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How can I use Python to get the system hostname?

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What command means “do nothing” in a conditional in Bash?

...ou are correct), it returns true (status 0) just like true does, and it is more difficult to read. Bash is a DevOps language, and if : is written by someone on my team, I'd have them change it. – SaintHax May 29 '17 at 19:51 ...