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Executing JavaScript without a browser?
...);
$ ls -lAF /usr/bin/js /etc/alternatives/js /usr/bin/nodejs
lrwxrwxrwx 1 root root 15 Jul 16 04:26 /etc/alternatives/js -> /usr/bin/nodejs*
lrwxrwxrwx 1 root root 20 Jul 16 04:26 /usr/bin/js -> /etc/alternatives/js*
-rwxr-xr-x 1 root root 1422004 Apr 28 20:31 /usr/bin/nodejs*
$ chm...
How to create a trie in Python
...; _end = '_end_'
>>>
>>> def make_trie(*words):
... root = dict()
... for word in words:
... current_dict = root
... for letter in word:
... current_dict = current_dict.setdefault(letter, {})
... current_dict[_end] = _end
... return ...
How to list of all the tables defined for the database when using active record?
...tionAdapters::SchemaStatements#tables. This method is undocumented in the MySQL adapter, but is documented in the PostgreSQL adapter. SQLite/SQLite3 also has the method implemented, but undocumented.
>> ActiveRecord::Base.connection.tables
=> ["accounts", "assets", ...]
See activerecor...
git clone through ssh
...bly specific commands. Instead of saying <your folder>, I will say /root/git. The only place where I am changing the original command is replacing my specific server name with example.com. I will explain the folders purpose is so you can adjust it accordingly. Please let me know of any con...
How to get Twitter-Bootstrap navigation to show active link?
... HAML implementation %li{:class => "#{'active' if current_page?(root_path)}"}=link_to "Home", root_path
– Brian
Feb 18 '13 at 0:44
...
How to use npm with node.exe?
... separately.
I was facing permission issue while running npm (npm install mysql), from the path where my nodejs resided, i.e.
C:\Program Files (x86)\nodejs
Then I followed below steps:
1) Added C:\Program Files (x86)\nodejs\npm in environment variables - Path system variable.
2) went back to onl...
Run PHP Task Asynchronously
... Perl or just about any other language. There are Gearman UDF plugins for MySQL and you can also use Net_Gearman from PHP or the gearman pear client.
– Justin Swanhart
Dec 22 '12 at 4:57
...
scp or sftp copy multiple files with single command
.... Not sure where this should work. ``` (venv) ➜ git:(master) ✗ scp root@172.29..xxx.yyy:"/usr/local/bin/kubectl /root/.kube/config" /tmp/ root@172.29..xxx.yyy's password: protocol error: filename does not match request ```
...
Sign APK without putting keystore info in build.gradle
...pretty simple.
Create a keystore.properties file (in this example, in the root directory of your project next to settings.gradle, though you can put it wherever you like:
storePassword=...
keyPassword=...
keyAlias=...
storeFile=...
Add this to your build.gradle:
allprojects {
afterEvaluate ...
scp (secure copy) to ec2 instance without password
... arguments in the wrong order. This works:
scp -i mykey.pem somefile.txt root@my.ec2.id.amazonaws.com:/
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