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How to prevent SIGPIPEs (or handle them properly)
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You generally want to ignore the SIGPIPE and handle the error directly in your code. This is because signal handlers in C have many restrictions on what they can do.
The most portable way to do this is to set the SIGPIPE handler to SIG_IGN. This will prevent any socket or pipe ...
read.csv warning 'EOF within quoted string' prevents complete reading of file
...y simply adding:
quote = ""
to the read.csv() worked for me.
The error, "EOF within quoted string", occurred with:
> iproscan.53A.neg = read.csv("interproscan.53A.neg.n.csv",
+ colClasses=c(pb.id = "character",
+ ...
Finding differences between elements of a list
Given a list of numbers, how does one find differences between every ( i )-th elements and its ( i+1 )-th?
10 Answers
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Wi-Fi 是什么的缩写 - 创意 - 清泛网 - 专注C/C++及内核技术
...Know?
Wi-Fi 的标准写法是大写“W”和“F”，中间用“-”连接。
Interbrand 除了给 Wi-Fi 起名，他们还帮微软家的搜索引擎起了个响亮的名字——Bing。关于 Interbrand 还搞出了什么名堂，可以点这里看他们长长的案例列表。
Interbrand...
Difference between numpy.array shape (R, 1) and (R,)
...ame issue also occurs column-wise). We will get matrices are not aligned error since M[:,0] is in shape (R,) but numpy.ones((1, R)) is in shape (1, R) .
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“find: paths must precede expression:” How do I specify a recursive search that also finds files in
...like:
find . -name bobtest.c cattest.c snowtest.c
...causing the syntax error. So try this instead:
find . -name '*test.c'
Note the single quotes around your file expression -- these will stop the shell (bash) expanding your wildcards.
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Make $JAVA_HOME easily changable in Ubuntu [closed]
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Yes, I agree with @AlainO'Dea. If there is any error in your script, you will not be able to login. Take care.
– Evan Hu
Feb 11 '15 at 1:56
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How to check status of PostgreSQL server Mac OS X
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Given your error message, I bet SamGoody's suggestion to run your initdb command will fix your "Connection refused" problem. Once it's fixed, try my suggestions to get your postgres db server status.
– l3x
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What are queues in jQuery?
...ction() {
// lets do something with google maps:
var $map = $("#map_canvas");
var myLatlng = new google.maps.LatLng(-34.397, 150.644);
var myOptions = {zoom: 8, center: myLatlng, mapTypeId: google.maps.MapTypeId.ROADMAP};
var geocoder = new google.maps.Geocoder();
var map = n...
“std::endl” vs “\n”
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@Omnifarious: No std::cerr should be reserved for errors. The two streams are not synced together so if you output some text to cout it may be buffered and the cerr will go direct to the output this resulting in a mixed mode display. Use cerr for what it is supposed to be fo...