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Difference between os.getenv and os.environ.get
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One difference observed (Python27):
os.environ raises an exception if the environmental variable does not exist.
os.getenv does not raise an exception, but returns None
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npm failed to install time with make not found error
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475
Which OS are you using?
If it's Ubuntu you'll need to install the build-essential package:
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Print all but the first three columns
... if(NF) printf "%s",$NF; printf ORS}'
### Example ###
$ echo '1 2 3 4 5 6 7' |
awk '{for(i=4;i<NF;i++)printf"%s",$i OFS;if(NF)printf"%s",$NF;printf ORS}' |
tr ' ' '-'
4-5-6-7
Sudo_O proposes an elegant improvement using the ternary operator NF?ORS:OFS
$ echo '1 2 3 4 5 6 7' |
awk '{ for...
Get java.nio.file.Path object from java.io.File
...ile object by using File.toPath(). Keep in mind that this is only for Java 7+. Java versions 6 and below do not have it.
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Which iomanip manipulators are 'sticky'?
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answered Oct 7 '09 at 17:56
Martin YorkMartin York
226k7171 gold badges302302 silver badges521521 bronze badges
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How do I get a distinct, ordered list of names from a DataTable using LINQ?
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7 Answers
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.NET List Concat vs AddRange
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answered Sep 19 '08 at 7:17
Greg BeechGreg Beech
119k3939 gold badges198198 silver badges238238 bronze badges
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How can I do SELECT UNIQUE with LINQ?
...ped me so much.
– Ron
Apr 4 '13 at 17:11
Seems like it would be nice if there was an OrderedBy() for ordering by the e...
What are the “standard unambiguous date” formats for string-to-date conversion in R?
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answered Feb 7 '13 at 16:10
Joshua UlrichJoshua Ulrich
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Nexus 7 not visible over USB via “adb devices” from Windows 7 x64
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When the Nexus 7 is plugged in there is a persistent notification that indicates "CONNECT AS / Media Device (MTP)". In this state adb devices will not show the Nexus, or undoubtedly any other device. Not exactly obvious, but if you select t...