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What is an OS kernel ? How does it differ from an operating system? [closed]
...ams, which is surrounded by the "shell" of the seed that is what users see from the outside.
Some people want to tie "kernel" (and, indeed, "shell") down to be more specific than that. But in truth there's a lot of variation across operating systems. Not the least these variations is what constit...
Android update activity UI from service
...ground operations even when no
Activity is running, also start the service from the Application
class so that it does not get stopped when unbound.
The advantages I have found in this approach compared to the startService()/LocalBroadcast technique are
No need for data objects to implement Parce...
ViewDidAppear is not called when opening app from background
...roller in which my value is 0 (label) and when I open that View Controller from another ViewController I have set viewDidAppear to set value 20 on label. It works fine but when I close my app and than again I open my app but the value doesn't change because viewDidLoad , viewDidAppear and v...
Add text to Existing PDF using Python
... with canvas>
can.save()
packet.seek(0)
input = PdfFileReader(packet)
From here you can merge the pages of the input file with another document.
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Difference between android-support-v7-appcompat and android-support-v4
...roid 4.0 (API level 14) for most library packages.
Below is difference from Support Library Packages:
v4 Support Library
This library is designed to be used with Android 1.6 (API level 4) Android 2.3 (API level 9) Android 4.0 (API level 14) and higher. It includes the largest set of API...
How does `scp` differ from `rsync`?
An article about setting up Ghost blogging says to use scp to copy from my local machine to a remote server:
7 Answers
...
How do I put an already-running process under nohup?
...your shell) This allows you to see all the jobs that this shell started." (from [quantprinciple.com/invest/index.php/docs/tipsandtricks/unix/…)
– Dr. Jan-Philip Gehrcke
Mar 17 '11 at 13:46
...
Invoke(Delegate)
...nd are not
thread safe. Therefore, if you are calling a control's method from a
different thread, you must use one of the control's invoke methods to
marshal the call to the proper thread. This property can be used to
determine if you must call an invoke method, which can be useful if
you ...
.NET obfuscation tools/strategy [closed]
...1.1 obfuscation was essential: decompiling code was easy, and you could go from assembly, to IL, to C# code and have it compiled again with very little effort.
Now with .Net 3.5 I'm not at all sure. Try decompiling a 3.5 assembly; what you get is a long long way from compiling.
Add the optimisati...
Merge PDF files
... that works with both versions.
#!/usr/bin/env python
import sys
try:
from PyPDF2 import PdfFileReader, PdfFileWriter
except ImportError:
from pyPdf import PdfFileReader, PdfFileWriter
def pdf_cat(input_files, output_stream):
input_streams = []
try:
# First open all the fil...