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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
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198
The problem is that there are several different time functions available in C and C++, and som...
E731 do not assign a lambda expression, use a def
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edited Mar 4 at 17:50
answered Jul 29 '14 at 7:31
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Django optional url parameters
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edited Apr 16 '19 at 21:45
l0b0
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R object identification
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128
I usually start out with some combination of:
typeof(obj)
class(obj)
sapply(obj, class)
sappl...
Checking if a string array contains a value, and if so, getting its position
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12 Answers
12
Active
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Check if pull needed in Git
...ps. This can be summarized in the following script:
#!/bin/sh
UPSTREAM=${1:-'@{u}'}
LOCAL=$(git rev-parse @)
REMOTE=$(git rev-parse "$UPSTREAM")
BASE=$(git merge-base @ "$UPSTREAM")
if [ $LOCAL = $REMOTE ]; then
echo "Up-to-date"
elif [ $LOCAL = $BASE ]; then
echo "Need to pull"
elif [ $R...
Find if current time falls in a time range
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10 Answers
10
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T-SQL stored procedure that accepts multiple Id values
...skog has maintained the authoritative answer to this question for the last 16 years: Arrays and Lists in SQL Server.
There are at least a dozen ways to pass an array or list to a query; each has their own unique pros and cons.
Table-Valued Parameters. SQL Server 2008 and higher only, and probabl...
Postgres: INSERT if does not exist already
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17 Answers
17
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Why not abstract fields?
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105
You can do what you described by having a final field in your abstract class that is initialis...