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How do I print out the contents of an object in Rails for easy debugging?
...t the PHP equivalent of print_r() (print human-readable); at present the raw output is:
8 Answers
...
Building vs. Compiling (Java)
...t code.
Linking is the act of combining object code with libraries into a raw executable.
Building is the sequence composed of compiling and linking, with possibly other tasks such as installer creation.
Many compilers handle the linking step automatically after compiling source code.
What is th...
ActiveRecord OR query
..."column = ? or other_column = ?", value, other_value)
This also includes raw sql but I dont think there is a way in ActiveRecord to do OR operation. Your question is not a noob question.
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i...
Brew doctor says: “Warning: /usr/local/include isn't writable.”
...
For High Sierra:
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Then, try your brew commands.
Issue #3285
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MySQL load NULL values from CSV data
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Thanks for the tip - I am sceptical to edit the raw source data but if this is the only way around it I will try it out.
– Spiros
Apr 20 '10 at 13:55
7
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How to write PNG image to string with the PIL?
...ired to use BytesIO:
from io import BytesIO
from PIL import Image, ImageDraw
image = Image.new("RGB", (300, 50))
draw = ImageDraw.Draw(image)
draw.text((0, 0), "This text is drawn on image")
byte_io = BytesIO()
image.save(byte_io, 'PNG')
Read more: http://fadeit.dk/blog/post/python3-flask-pil...
How to change string into QString?
...QString::fromUtf8(const char * str, int size = -1)
const char* str = read_raw("hello.txt"); // assuming hello.txt is UTF8 encoded, and read_raw() reads bytes from file into memory and returns pointer to the first byte as const char*
QString qstr = QString::fromUtf8(str);
There's also method for...
Java: Difference between PrintStream and PrintWriter
...ns between PrintStream and PrintWriter are that a PrintWriter cannot write raw bytes and the two classes wrap different types of destinations.
– Ted Hopp
May 9 '13 at 3:47
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How do I encode/decode HTML entities in Ruby?
...
To decode characters in Rails use:
<%= raw '<html>' %>
So,
<%= raw '&lt;br&gt;' %>
would output
<br>
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How to urlencode data for curl command?
...
Here is the pure BASH answer.
rawurlencode() {
local string="${1}"
local strlen=${#string}
local encoded=""
local pos c o
for (( pos=0 ; pos<strlen ; pos++ )); do
c=${string:$pos:1}
case "$c" in
[-_.~a-zA-Z0-9] ) o="${c}" ;...