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How do I compare strings in Java?
...he same object).
.equals() tests for value equality (whether they are logically "equal").
Objects.equals() checks for null before calling .equals() so you don't have to (available as of JDK7, also available in Guava).
Consequently, if you want to test whether two strings have the same value you ...
Android - Center TextView Horizontally in LinearLayout
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What's happening is that since the the TextView is filling the whole width of the inner LinearLayout it is already in the horizontal center of the layout. When you use android:layout_gravity it places the widget, as a whole, in the gravity specified. Instead of placing the whole widget center w...
How to add number of days to today's date? [duplicate]
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I wouldn't call this dd/mm/yyyy format. I call this d/m/yyyy.
– Sam
May 22 '13 at 8:52
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How to save all the variables in the current python session?
... Could you please tell, does this work exactly like Spyder that it automatically catches all the varibles, or I have to specify the variables I want to use?
– cqcn1991
Jun 6 '16 at 10:28
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How to convert a char array back to a string?
...t = String.valueOf(data);
is arguably better (encapsulates the new String call).
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Comparison of Lucene Analyzers
...e? I am getting a maxClauseCount exception and I understand that I can avoid this by using a KeywordAnalyzer but I don't want to change from the StandardAnalyzer without understanding the issues surrounding analyzers. Thanks very much.
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Check for column name in a SqlDataReader object
...create a method that builds the same object for multiple stored procedures calls. One of the stored procedures has an additional column that is not used by the other stored procedures. I want to modified the method to accommodate for every scenario.
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test if event handler is bound to an element in jQuery [duplicate]
...ecuting twice and fix that bug. Or figure out where else the bind is being called and prevent it.
– mattalxndr
Feb 3 '14 at 3:38
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XPath OR operator for different nodes
...e below:
xpath1 | xpath2
Eg:
//input[@name="username"] | //input[@id="wm_login-username"]
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What are the use cases for selecting CHAR over VARCHAR in SQL?
...rchar. You will make much better use of your time writing good code (fewer calls to the database) and efficient SQL (how do indexes work, how does the optimizer make decisions, why is exists faster than in usually...).
Final thought: I have seen all sorts of problems with use of CHAR, people lookin...