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Encoding an image file with base64
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I'm not sure I understand your question. I assume you are doing something along the lines of:
import base64
with open("yourfile.ext", "rb") as image_file:
encoded_string = base64.b64encode(image_file.read())
You have to open the file first...
How can I delete a git alias?
I'm learning to work with git, and I tried to set some aliases like this:
4 Answers
4
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Practical use of `stackalloc` keyword
... native allocator (like malloc or the .Net equivalent) you also gain speed and automatic deallocation on scope exit.
Performance wise, if you use stackalloc you greatly increase the chance of cache hits on the CPU due to the locality of data.
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How to specify mapping rule when names of properties differ
I am a newbie to the Automapper framework. I have a domain class and a DTO class as follows:
4 Answers
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Execute another jar in a Java program
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If I understand correctly it appears you want to run the jars in a separate process from inside your java GUI application.
To do this you can use:
// Run a java app in a separate system process
Process proc = Runtime.getRuntime().exec...
Is the 'type' attribute necessary for tags?
... This attribute specifies the scripting language of the element's contents and overrides the default scripting language. The scripting language is specified as a content type (e.g., "text/javascript"). Authors must supply a value for this attribute. There is no default value for this attribute.
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Ruby convert Object to Hash
... |var,hash| hash[var.to_s.delete("@")] = gift.instance_variable_get(var) } and get rid of the trailing ; hash
– Narfanator
Jun 10 '13 at 0:14
1
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How to delete last item in list?
...this program that calculates the time taken to answer a specific question, and quits out of the while loop when answer is incorrect, but i want to delete the last calculation, so i can call min() and it not be the wrong time, sorry if this is confusing.
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How can i use iptables on centos 7? [closed]
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It is possible to go back to a more classic iptables setup. First, stop and mask the firewalld service:
systemctl stop firewalld
systemctl mask firewalld
Then, install the iptables-services package:
yum install iptables-services
Enable the service at boot-time:
systemctl enable iptables
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Detect all changes to a (immediately) using JQuery
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This jQuery code catches immediate changes to any element, and should work across all browsers:
$('.myElements').each(function() {
var elem = $(this);
// Save current value of element
elem.data('oldVal', elem.val());
// Look for changes in the value
elem.bind("prop...