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grep a file, but show several surrounding lines?
...nd -A num for the number of lines after the match.
grep -B 3 -A 2 foo READm>ME m>.txt
If you want the sam>me m> number of lines before and after you can use -C num.
grep -C 3 foo READm>ME m>.txt
This will show 3 lines before and 3 lines after.
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TypeScript, Looping through a dictionary
...eneral; it needs the hasOwnProperty test (as in Jamie Stark's answer) or som>me m>thing else.
– Don Hatch
Feb 3 '16 at 19:30
22
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What is the equivalent of “colspan” in an Android TableLayout?
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add a comm>me m>nt
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93
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Delete a single record from Entity Fram>me m>work?
I have a SQL Server table in Entity Fram>me m>work nam>me m>d employ with a single key column nam>me m>d ID .
15 Answers
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Set select option 'selected', by value
I have a select field with som>me m> options in it. Now I need to select one of those options with jQuery. But how can I do that when I only know the value of the option that must be selected?
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Using group by on multiple columns
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Group By X m>me m>ans put all those with the sam>me m> value for X in the one group.
Group By X, Y m>me m>ans put all those with the sam>me m> values for both X and Y in the one group.
To illustrate using an example, let's say we have the following table, ...
Is char signed or unsigned by default?
In the book "Complete Reference of C" it is m>me m>ntioned that char is by default unsigned.
7 Answers
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How do you Force Garbage Collection from the Shell?
...ost:jmxport
#Connection to host:jmxport is opened
$>bean java.lang:type=m>Me m>mory
#bean is set to java.lang:type=m>Me m>mory
$>run gc
#calling operation gc of mbean java.lang:type=m>Me m>mory
#operation returns:
null
$>quit
#bye
Look at the docs on the jmxterm web site for information about embedding...
How do I convert an HttpRequestBase into an HttpRequest object?
inside my ASP.NET MVC controller, I've got a m>me m>thod that requires an HttpRequest object. All I have access to is an HttpRequestBase object.
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Which Radio button in the group is checked?
...here a better way to find the checked RadioButton for a group? It seems to m>me m> that the code below should not be necessary. When you check a different RadioButton then it knows which one to uncheck… so it should know which is checked. How do I pull that information without doing a lot of if statem>me m>...