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How to call multiple JavaScript functions in onclick event?
... the event handler to the DOM node through your Javascript code. This is known as unobtrusive javascript.
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How to convert a set to a list in python?
...to a list. You can use the newly built list like any normal list in python now.
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...iable and if it’s undefined , you can check variable == undefined ; I know that, but how can you compare a value that you don’t know yet if it’s in memory?
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What is an MDF file? [closed]
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SQL Server databases use two files - an MDF file, known as the primary database file, which contains the schema and data, and a LDF file, which contains the logs. See wikipedia. A database may also use secondary database file, which normally uses a .ndf extension.
As John S....
Getting Java version at runtime
...= version.substring(0, dot); }
} return Integer.parseInt(version);
}
Now you can check the version much more comfortably:
if(getVersion() < 6) {
// ...
}
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Processing Symbol Files in Xcode
...ake forever. I force restart my phone with both of on/off and home button. Now quickly finished symbolicating and I am starting run my app via xcode.
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What happened to “HelveticaNeue-Italic” on iOS 7.0.3
...t it is a bug. I have filed it as such with Apple. Sadly for me, my app is now crashing. The font is used in a 3rd party library I am using. Many folks on Twitter are reporting problems.
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How to have the cp command create any necessary folders for copying a file to a destination [duplica
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I didn't know you could do that with cp.
You can do it with mkdir ..
mkdir -p /var/path/to/your/dir
EDIT
See lhunath's answer for incorporating cp.
shar...
How can I pretty-print JSON using Go?
Does anyone know of a simple way to pretty-print JSON output in Go?
11 Answers
11
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Quick unix command to display specific lines in the middle of a file?
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I found two other solutions if you know the line number but nothing else (no grep possible):
Assuming you need lines 20 to 40,
sed -n '20,40p;41q' file_name
or
awk 'FNR>=20 && FNR<=40' file_name
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