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Shell command to sum integers, one per line?
... for a: count all documents’ pages script: ls $@ | xargs -i pdftk {} dump_data | grep NumberOfPages | awk '{s+=$2} END {print s}'
– flying sheep
Jul 10 '13 at 14:42
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Distinct not working with LINQ to Objects
...answered Aug 25 '16 at 8:19
Ashu_90Ashu_90
68666 silver badges88 bronze badges
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How to modify Github pull request？
...nswered Apr 29 '14 at 18:08
user_19user_19
55177 silver badges1212 bronze badges
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Installing SciPy and NumPy using pip
... To install BLAS and LAPACK you need to run yum install lapack-devel.x86_64 blas-devel.x86_64
– Max L
Apr 5 '16 at 11:27
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How to Convert all strings in List to lower case using LINQ?
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var _reps = new List(); // with variant data
_reps.ConvertAll<string>(new Converter<string,string>(delegate(string str){str = str.ToLower(); return str;})).Contains("invisible"))
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invalid target release: 1.7
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You need to set JAVA_HOME to your jdk7 home directory, for example on Microsoft Windows:
"C:\Program Files\Java\jdk1.7.0_40"
or on OS X:
/Library/Java/JavaVirtualMachines/jdk1.7.0_40.jdk/Contents/Home
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Programmatically update widget from activity/service/receiver
...(this, MyAppWidgetProvider.class);
intent.setAction(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
// Use an array and EXTRA_APPWIDGET_IDS instead of AppWidgetManager.EXTRA_APPWIDGET_ID,
// since it seems the onUpdate() is only fired on that:
int[] ids = AppWidgetManager.getInstance(getApplication())
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Difference between fmt.Println() and println() in Go
...Strings(1, 5)
func rangeOverIntsAndStrings(args ...interface{}) {
for _, v := range args {
println(v)
}
}
// output
(0x108f060,0x10c5358)
(0x108f060,0x10c5360)
vs
func rangeOverIntsAndStrings(args ...interface{}) {
for _, v := range args {
fmt.Println(v)
}
}
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How to set timeout for http.Get() requests in Golang?
...ontext.WithTimeout(context.Background(), time.Second*3)
defer cncl()
req, _ := http.NewRequestWithContext(ctx, http.MethodGet, "https://google.com", nil)
resp, _ := http.DefaultClient.Do(req)
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Rails 4 - passing variable to partial
...buyer } %>
<%= render "account", account: @buyer %>
# @account.to_partial_path returns 'accounts/account', so it can be used to replace:
# <%= render partial: "accounts/account", locals: { account: @account} %>
<%= render @account %>
# @posts is an array of Post instances, so ...