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C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
... compile time, the compiler can't simply execute TimeSpan.FromSeconds(2.0) and stick the bytes of the result into your compiled code.
As an example, consider if you tried to use DateTime.Now instead. The value of DateTime.Now changes every time it's executed. Or suppose that TimeSpan.FromSeconds to...
How do I use grep to search the current directory for all files having the a string “hello” yet disp
How do I use grep to search the current directory for any and all files containing the string "hello" and display only .h and .cc files?
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What does “program to interfaces, not implementations” mean?
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Interfaces are just contracts or signatures and they don't know
anything about implementations.
Coding against interface means, the client code always holds an Interface object which is supplied by a factory. Any instance returned by the factory would be of type In...
DateTimePicker: pick both date and time
Is it possible to use DateTimePicker (Winforms) to pick both date and time (in the dropdown)? How do you change the custom display of the picked value? Also, is it possible to enable the user to type the date/time manually?
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How to run Unix shell script from Java code?
It is quite simple to run a Unix command from Java.
17 Answers
17
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Eclipse jump to closing brace
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Place the cursor next to an opening or closing brace and punch Ctrl + Shift + P to find the matching brace. If Eclipse can't find one you'll get a "No matching bracket found" message.
edit: as mentioned by Romaintaz below, you can also get Eclipse to auto-select all of the cod...
jQuery hasClass() - check for more than one class
... ... um, but I just ran this in jsperf for Chrome 21.0.1180 and the is() method is now about 20% faster. But the hasClass() seems more readable.
– Danyal Aytekin
Sep 27 '12 at 12:27
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When using a Settings.settings file in .NET, where is the config actually stored?
...ion" scope.
User scope
User scope settings are stored in
C:\Documents and Settings\ username \Local Settings\Application Data\ ApplicationName
You can read/write them at runtime.
For Vista and Windows 7, folder is
C:\Users\ username \AppData\Local\ ApplicationName
or
C:\Users\ username \...
Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
Below is the error message I receive in the debug area. It runs fine and nothing is wrong except that I receive this error. Would this prevent apple accepting the app? How do I fix it?
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What characters do I need to escape in XML documents?
... to escape all five characters in text. However, the three characters ", ' and > needn't be escaped in text:
<?xml version="1.0"?>
<valid>"'></valid>
Attributes
The safe way is to escape all five characters in attributes. However, the > character needn't be escaped in ...