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What do 3 dots next to a parameter type mean in Java?
...who decided to use optional arguments to properly implement the method to handle having zero or more of them.
– kiswa
May 16 '13 at 13:08
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How to use Chrome's network debugger with redirects
...ittle red dot on the left now has the purpose to switch network logging on and off completely.
Older versions
In older versions of Chrome (v21 here), there's a little, clickable red dot in the footer of the "Network" tab.
If you hover over it, it will tell you, that it will "Preserve Log Upon...
Error: CUICatalog: Invalid asset name supplied: (null), or invalid scale factor : 2.000000
...on on 32-bit iPhone, or $x2 == nil on 64-bit iPhone.
Run your application and see where debugger will stop.
P.S. Keep in mind this also happens if image name is empty string. You can check this by adding [(NSString*)$x2 length] == 0 to the condition.
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Captured variable in a loop in C#
...ariable declaration. In fact it'll create appropriate new closure objects, and it gets complicated (in terms of implementation) if you refer to variables in multiple scopes, but it works :)
Note that a more common occurrence of this problem is using for or foreach:
for (int i=0; i < 10; i++) //...
What is the difference between typeof and instanceof and when should one be used vs. the other?
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typeof []; //object
{} instanceof Object; // true
typeof {}; // object
And the last one is a little bit tricky:
typeof null; // object
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How to convert a file into a dictionary?
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with is used here to handle the file clean up. When you leave the block (either just by normal execution flow or by an exception) there file will be automatically closed. You can read more about context-managers in Python here: effbot.org/zone/pyt...
To prevent a memory leak, the JDBC Driver has been forcibly unregistered
...iver in question), not in yours. Be happy that Tomcat did its job properly and wait until the JDBC driver vendor get it fixed so that you can upgrade the driver. On the other hand, you aren't supposed to drop a JDBC driver in webapp's /WEB-INF/lib, but only in server's /lib. If you still keep it in ...
postgres default timezone
I installed PostgreSQL 9 and the time it is showing is 1 hour behind the server time.
7 Answers
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Anyway to prevent the Blue highlighting of elements in Chrome when clicking quickly?
Most of the time I'm not worried about it but I have an image carousel and if I click on the next and previous divs quickly, they will be highlighted in Chrome.
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How to set a default value with Html.TextBoxFor?
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Curious to know why capital 'V' works and lowercase 'v' does not? Also, this solution overrides the model value for Age, even if one is present.
– Derek Hunziker
Sep 1 '10 at 23:46
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