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How to git bundle a complete repo
... non-networked machine, preferable as a single file entity. The git bundle allows a git fetch , git pull style operation in a sneakernet environment but appears to assume that you already have a working version of the repo on the destination machine.
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How do you truncate all tables in a database using TSQL?
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agreed..i thought since he specifically asked for truncating tables, he already solved the problem with foreign keys..
– Gulzar Nazim
Oct 1 '08 at 17:31
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Select rows which are not present in other table
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There are basically 4 techniques for this task, all of them standard SQL.
NOT EXISTS
Often fastest in Postgres.
SELECT ip
FROM login_log l
WHERE NOT EXISTS (
SELECT -- SELECT list mostly irrelevant; can just be empty in Postgr...
How can I make setInterval also work when a tab is inactive in Chrome?
...o get the elapsed time since the start instead of the end of the previous call. This is usually what you want when animating things. As it is now, if an execution of the interval function takes 15ms, elapsedTime will give 35ms (instead of 50ms which is the interval) next time it is called (when the ...
How can I show the name of branches in `git log`?
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Try the decorate option.
git log --graph --all --decorate
It annotates commits which are pointed to by tags or branches.
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Get a list of all the files in a directory (recursive)
... file ->
list << file
}
Afterwards the list variable contains all files (java.io.File) of the given directory and its subdirectories:
list.each {
println it.path
}
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List All Redis Databases
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Or you can just run the following command and you will see all databases of the Redis instance without firing up redis-cli:
$ redis-cli INFO | grep ^db
db0:keys=1500,expires=2
db1:keys=200000,expires=1
db2:keys=350003,expires=1
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How enumerate all classes with custom class attribute?
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I like LINQ. Love it, actually. But it takes a dependency on .NET 3.5, which yield return does not. Also, LINQ eventually breaks down to essentially the same thing as yield return. So what have you gained? A particular C# syntax, that is a prefere...
Catching error codes in a shell pipe
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If you really don't want the second command to proceed until the first is known to be successful, then you probably need to use temporary files. The simple version of that is:
tmp=${TMPDIR:-/tmp}/mine.$$
if ./a > $tmp.1
then
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What is the difference between getFields and getDeclaredFields in Java reflection
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getFields()
All the public fields up the entire class hierarchy.
getDeclaredFields()
All the fields, regardless of their accessibility but only for the current class, not any base classes that the current class might be inheriting from...