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What is the benefit of using $() instead of backticks in shell scripts?
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166
The major one is the ability to nest them, commands within commands, without losing your sanit...
How do I pass a unique_ptr argument to a constructor or a function?
I'm new to move semantics in C++11 and I don't know very well how to handle unique_ptr parameters in constructors or functions. Consider this class referencing itself:
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How to find out which processes are using swap space in Linux?
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17 Answers
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Retrieve filename from file descriptor in C
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122
You can use readlink on /proc/self/fd/NNN where NNN is the file descriptor. This will give you...
NSObject +load and +initialize - What do they do?
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185
The load message
The runtime sends the load message to each class object, very soon after the...
Draw radius around a point in Google map
I'm using the Google Maps API and have added markers. Now I want to add a 10 mile radius around each marker, meaning a circle that behaves appropriately while zooming. I have no idea how to do that and it seems it's not something common.
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Execute another jar in a Java program
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How do I analyze a program's core dump file with GDB when it has command-line parameters?
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183
You can use the core with GDB in many ways, but passing parameters which is to be passed to th...
How to use getJSON, sending data with post method?
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217
The $.getJSON() method does an HTTP GET and not POST. You need to use $.post()
$.post(url, da...
How do I find where JDK is installed on my windows machine?
...ow Leopard):
$ which java
/usr/bin/java
$ ls -l /usr/bin/java
lrwxr-xr-x 1 root wheel 74 Nov 7 07:59 /usr/bin/java -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java
If you are using Windows:
c:\> for %i in (java.exe) do @echo. %~$PATH:i
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