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Find all packages installed with easy_install/pip?
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18 Answers
18
Active
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How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?
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10 Answers
10
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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...
Django optional url parameters
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edited Apr 16 '19 at 21:45
l0b0
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How do I remove the first characters of a specific column in a table?
...mn in a table? Column name is Student Code and an example value is ABCD123Stu1231 .
I want to remove first 4 chars from my table for all records
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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...
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...
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...
Difference between DateTime and Time in Ruby
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179
Newer versions of Ruby (2.0+) do not really have significant differences between the two class...
Finding Number of Cores in Java
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edited Nov 17 '11 at 9:03
answered Jan 21 '11 at 13:58
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