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send mail from linux terminal in one line [closed]
... of programs on a linux system. What you want behind it is either sendmail or postfix. I recommend the latter.
You can install it via your favorite package manager. Then you have to configure it, and once you have done that, you can send email like this:
echo "My message" | mail -s subject user@g...
Checkstyle vs. PMD
We are introducing static analysis tools into the build system for our Java product. We are using Maven2 so Checkstyle and PMD integration come for free. However it looks like there is a large overlap in functionality between these two tools, in terms of enforcing basic style rules.
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How to set target hosts in Fabric file
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I do this by declaring an actual function for each environment. For example:
def test():
env.user = 'testuser'
env.hosts = ['test.server.com']
def prod():
env.user = 'produser'
env.hosts = ['prod.server.com']
def deploy():
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Using the above ...
Find the Smallest Integer Not in a List
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If the datastructure can be mutated in place and supports random access then you can do it in O(N) time and O(1) additional space. Just go through the array sequentially and for every index write the value at the index to the index specified by value, recursively placing any va...
How do you mock out the file system in C# for unit testing?
Are there any libraries or methods to mock out the file system in C# to write unit tests? In my current case I have methods that check whether certain file exists and read the creation date. I may need more than that in future.
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dd: How to calculate optimal blocksize? [closed]
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The optimal block size depends on various factors, including the operating system (and its version), and the various hardware buses and disks involved. Several Unix-like systems (including Linux and at least some flavors of BSD) define the st_blksize member in the struct...
Why does Lua have no “continue” statement?
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In Lua 5.2 the best workaround is to use goto:
-- prints odd numbers in [|1,10|]
for i=1,10 do
if i % 2 == 0 then goto continue end
print(i)
::continue::
end
This is supported in LuaJIT since version 2.0.1
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Squash my last X commits together using Git
...> and replace "pick" on the second and subsequent commits with "squash" or "fixup", as described in the manual.
In this example, <after-this-commit> is either the SHA1 hash or the relative location from the HEAD of the current branch from which commits are analyzed for the rebase command. ...
What's the difference between “static” and “static inline” function?
...ction content into the calling code instead of executing an actual call.
For small functions that are called frequently that can make a big performance difference.
However, this is only a "hint", and the compiler may ignore it, and most compilers will try to "inline" even when the keyword is not u...
How to select lines between two marker patterns which may occur multiple times with awk/sed
Using awk or sed how can I select lines which are occurring between two different marker patterns? There may be multiple sections marked with these patterns.
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