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Should methods that throw RuntimeException indicate it in method signature?
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answered May 5 '09 at 13:24
RobinRobin
22.8k44 gold badges4747 silver badges5757 bronze badges
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Split delimited strings in a column and insert as new rows [duplicate]
... of doing it..
df <- read.table(textConnection("1|a,b,c\n2|a,c\n3|b,d\n4|e,f"), header = F, sep = "|", stringsAsFactors = F)
df
## V1 V2
## 1 1 a,b,c
## 2 2 a,c
## 3 3 b,d
## 4 4 e,f
s <- strsplit(df$V2, split = ",")
data.frame(V1 = rep(df$V1, sapply(s, length)), V2 = unlist(...
REST API Token-based Authentication
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94
Let me seperate up everything and solve approach each problem in isolation:
Authentication
For...
Concatenating Files And Insert New Line In Between Files
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124
You can do:
for f in *.txt; do (cat "${f}"; echo) >> finalfile.txt; done
Make sure the ...
How to implement classic sorting algorithms in modern C++?
...gorithm is only available for C++11 and beyond.
Syntactical goodies
C++14 provides transparent comparators of the form std::less<> that act polymorphically on their arguments. This avoids having to provide an iterator's type. This can be used in combination with C++11's default function tem...
Using sed and grep/egrep to search and replace
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edited Mar 16 '14 at 0:34
toxalot
9,28955 gold badges3131 silver badges5656 bronze badges
answ...
Checking if a key exists in a JS object
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edited Dec 5 '14 at 15:30
answered Jun 15 '13 at 18:10
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Why wasn't PyPy included in standard Python?
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edited Apr 17 '15 at 4:38
answered Oct 12 '12 at 21:35
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boost::flat_map and its performance compared to map and unordered_map
...stabilize it).
2) RDTSC accuracy measure
I also recommend doing this:
u64 g_correctionFactor; // number of clocks to offset after each measurement to remove the overhead of the measurer itself.
u64 g_accuracy;
static u64 const errormeasure = ~((u64)0);
#ifdef _MSC_VER
#pragma intrinsic(__rdtsc...
How do I horizontally center a span element inside a div
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Jase
1,23922 gold badges1212 silver badges2424 bronze badges
answered May 10 '13 at 20:01
adriftadrift
48.9k1111 gold bad...