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Printing HashMap In Java
...y returns a set of keys from your hashmap, you should iterate this key set and the get the value from the hashmap using these keys.
In your example, the type of the hashmap's key is TypeKey, but you specified TypeValue in your generic for-loop, so it cannot be compiled. You should change it to :
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Delete newline in Vim
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If you are on the first line, pressing (upper case) J will join that line and the next line together, removing the newline. You can also combine this with a count, so pressing 3J will combine all 3 lines together.
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Converting .NET DateTime to JSON [duplicate]
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This will come in handy too: var re = /-?\d+/; var m = re.exec(json_date_string); var d = new Date(parseInt(m[0]));
– Tominator
Sep 15 '09 at 8:03
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How to avoid the “divide by zero” error in SQL?
...nullif(divisor, 0) ..." breaks if divisor is NULL.
– Anderson
Dec 1 '14 at 10:51
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Is there any way to do a “Replace Or Insert” using web.config transformation?
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I found a cheap workaround. It ain't pretty and won't work very well if you have a lot of elements that needs to be "Replace Or Insert".
Do a "Remove" and then an "InsertAfter|InsertBefore".
For example,
<authorization xdt:Transform="Remove" />
<authorizati...
C dynamically growing array
I have a program that reads a "raw" list of in-game entities, and I intend to make an array holding an index number (int) of an indeterminate number of entities, for processing various things. I would like to avoid using too much memory or CPU for keeping such indexes...
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PHP: Storing 'objects' inside the $_SESSION
I just figured out that I can actually store objects in the $_SESSION and I find it quite cool because when I jump to another page I still have my object. Now before I start using this approach I would like to find out if it is really such a good idea or if there are potential pitfalls involved....
Long-held, incorrect programming assumptions [closed]
I am doing some research into common errors and poor assumptions made by junior (and perhaps senior) software engineers.
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Keyboard shortcut to change font size in Eclipse?
...ively straightforward to change font sizes in Eclipse through preferences (and answered several times in this forum).
10 A...
Why is exception.printStackTrace() considered bad practice?
...() writes the stack trace to System.err PrintStream. The System.err stream and the underlying standard "error" output stream of the JVM process can be redirected by
invoking System.setErr() which changes the destination pointed to by System.err.
or by redirecting the process' error output stream. ...