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warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
...
You will need to have root access to do this. If you aren't already the administrative user, login as the administrator. Then use 'sudo' to change the permissions:
sudo chmod go-w /usr/local/bin
Obviously, that will mean you can no longer ins...
How to select all records from one table that do not exist in another table?
...E b.Key IS NULL;
https://www.cloudways.com/blog/how-to-join-two-tables-mysql/
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ActiveRecord.find(array_of_ids), preserving order
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The answer is for mysql only
There is a function in mysql called FIELD()
Here is how you could use it in .find():
>> ids = [100, 1, 6]
=> [100, 1, 6]
>> WordDocument.find(ids).collect(&:id)
=> [1, 6, 100]
>> WordD...
Mac SQLite editor [closed]
I am aware of CocoaMySQL but I have not seen a Mac GUI for SQLite, is there one?
15 Answers
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Simulate delayed and dropped packets on Linux
...y to all packets going out of the local Ethernet.
# tc qdisc add dev eth0 root netem delay 100ms
Now a simple ping test to host on the local network should show an increase of 100 milliseconds. The delay is limited by the clock resolution of the kernel (Hz). On most 2.4 systems, the system cl...
What are the use cases for selecting CHAR over VARCHAR in SQL?
...rchar, it's free to use 1-3 bytes per character as needed. This is in the MySQL manual: dev.mysql.com/doc/refman/5.0/en/charset-unicode-utf8.html
– Gavin Towey
Mar 27 '14 at 2:14
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How to create a self-signed certificate for a domain name for development?
...n an elevated command prompt):
makecert.exe -n "CN=My Company Development Root CA,O=My Company,
OU=Development,L=Wallkill,S=NY,C=US" -pe -ss Root -sr LocalMachine
-sky exchange -m 120 -a sha1 -len 2048 -r
You can then create a certificate bound to your subdomain and signed by your new authority...
Emulator error: This AVD's configuration is missing a kernel file
...r the SDK files and will look something like:
emulator: found ANDROID_SDK_ROOT: C:\Program Files (x86)\Android\android-sdk
Make sure that location is correct.
In my case, ANDROID_SDK_ROOT was initially set incorrectly to my home directory. This is because I set it that way by blindly following t...
Get Output From the logging Module in IPython Notebook
...y creating a
StreamHandler with a default Formatter and adding it to the root
logger. The functions debug(), info(), warning(), error() and
critical() will call basicConfig() automatically if no handlers are
defined for the root logger.
This function does nothing if the root logger alre...
How does RewriteBase work in .htaccess
...writeBase, Apache usually detects it correctly for paths under the DocumentRoot unless:
You are using Alias directives
You are using .htaccess rewrite rules to perform HTTP redirects (rather than just silent rewriting) to relative URLs
In these cases, you may find that you need to specify the Re...