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How to search file text for a pattern and replace it with a given value
...mes = ['foo.txt', 'bar.txt']
file_names.each do |file_name|
text = File.read(file_name)
new_contents = text.gsub(/search_regexp/, "replacement string")
# To merely print the contents of the file, use:
puts new_contents
# To write changes to the file, use:
File.open(file_name, "w") {|f...
Is there a unique Android device ID?
... Secure.ANDROID_ID);
Also read Best practices for unique identifiers: https://developer.android.com/training/articles/user-data-ids
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Write bytes to file
...ck. You'll need add using System.IO at the top of your file if you don't already have it.
public bool ByteArrayToFile(string fileName, byte[] byteArray)
{
try
{
using (var fs = new FileStream(fileName, FileMode.Create, FileAccess.Write))
{
fs.Write(byteArray, 0, ...
How to run a python script from IDLE interactive shell?
...
Python3:
exec(open('helloworld.py').read())
If your file not in the same dir:
exec(open('./app/filename.py').read())
See https://stackoverflow.com/a/437857/739577 for passing global/local variables.
In deprecated Python versions
Python2
Built-in functi...
Why are mutable structs “evil”?
Following the discussions here on SO I already read several times the remark that mutable structs are “evil” (like in the answer to this question ).
...
how to read all files inside particular folder
I want to read all xml files inside a particular folder in c# .net
7 Answers
7
...
Django rest framework, use different serializers in the same ModelViewSet
...idden to provide dynamic behavior, such as using different serializers for reading and write operations or providing different serializers to the different types of users.
the serializer_class attribute.
class DualSerializerViewSet(viewsets.ModelViewSet):
# mapping serializer into the action...
How do I remove the border around a focused contenteditable pre?
...
You can also add the :read-write pseudo-class to style elements that are editable.
For instance (jsFiddle):
.element:read-write:focus {
outline: none;
}
Read more here on codrops.
The :read-write pseudo-class selector is supported in ...
Provide an image for WhatsApp link sharing
...tter, Facebook and bookmark icons for pc's and mobile devices. If you like reading go to ogp.me - but make sure to read steps 1 - 6 in this answer to get the best WhatsApp preview.
Please note: some apps or websites use cache or even store the website preview to their database. This means when you'r...
Unable to read data from the transport connection : An existing connection was forcibly closed by th
...hLoginAtClient == true && ajutor < 30) { Thread.Sleep(300); ajutor++; } client = this.tcpListener.AcceptTcpClient(); Program.waitToFinishLoginAtClient = true; ........... and Program.waitToFinishAtClient gets modified in the thread that contains t...