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Can you supply arguments to the map(&:method) syntax in Ruby?
...And even work with inject, which passes two arguments to the block:
%w(abecd ab cd).inject(&:gsub.with('cde'))
# => "cdeeecde"
Or something super cool as passing [shorthand] blocks to the shorthand block:
[['0', '1'], ['2', '3']].map(&:map.with(&:to_i))
# => [[0, 1], [2, 3]]
[...
Calling JMX MBean method from a shell script
....google.com/p/jmxfuse/
For example, to read an attribute:
me@oddjob:jmx$ cd log4j/root/attributes
me@oddjob:jmx$ cat priority
to write an attribute:
me@oddjob:jmx$ echo "WARN" > priority
to invoke an operation:
me@oddjob:jmx$ cd Catalina/none/none/WebModule/localhost/helloworld/operations...
How do I clone a single branch in Git?
...s all branches. See @frerich=raabe's answer below.
– cdunn2001
Mar 17 '12 at 20:33
3
Thanks you. ...
How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)
...t to install the whole ia32-lib instead, try the following order:
sudo -i
cd /etc/apt/sources.list.d
echo "deb http://old-releases.ubuntu.com/ubuntu/ raring main restricted universe multiverse" >ia32-libs-raring.list
apt-get update
apt-get install ia32-libs
PS: In this way, you can install i...
Remove folder and its contents from git/GitHub's history
...h runs much quicker:
# Make a fresh clone of YOUR_REPO
git clone YOUR_REPO
cd YOUR_REPO
# Create tracking branches of all branches
for remote in `git branch -r | grep -v /HEAD`; do git checkout --track $remote ; done
# Remove DIRECTORY_NAME from all commits, then remove the refs to the old commits...
How to solve Permission denied (publickey) error when using Git?
...rk.
On most systems you can use ssh-keygen.
First you'll want to cd into your .ssh directory. Open up the terminal and run:
cd ~/.ssh && ssh-keygen
Next you need to copy this to your clipboard.
On OS X run: cat id_rsa.pub | pbcopy
On Linux run: cat id_rsa....
Generating a unique machine id
...e stepping and model)
System Drive Serial Number (Not Volume Label)
Memory
CD-ROM model & vendor
Video Card model & vendor
IDE Controller
SCSI Controller
However, rather than just hashing the components and creating a pass/fail system, we create a comparable fingerprint that can be used to...
How to Sort Multi-dimensional Array by Value?
...,
],
[
'hashtag' => 'b24ce0cd392a5b0b8dedc66c25213594',
'title' => 'Free',
'order' => 2,
],
[
'hashtag' => 'e7d31fc0602fb2ede144d18cdffd816b',
'title'...
How to go to a specific file in Chrome Developer Tools?
... answered Jan 30 '13 at 15:52
CD..CD..
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phpcms v9内容页/下载页更新时间（updatetime）为空的解决方法 - 更多技术 ...
...确导致。updatetime原本应该设置为int（10）类型，可能由于什么原因被设置成了datetime类型（可以查看数...这是由于模型管理中字段的设置不正确导致。
updatetime原本应该设置为int（10）类型，可能由于什么原因被设置成了datetime类...