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Bitwise operation and usage
...-level communication.
As a concrete example, imagine some one gives you a file that contains raw data that was captured directly by telecommunication hardware. In this case, in order to find the frames, you will need to read the raw bytes in the file and try to find some kind of synchronization wo...
Changing git commit message after push (given that no one pulled from remote)
...r rebase 'plan' yet it doesn't begin the process of letting you rename the files, run:
git rebase --continue
If you want to change the text editor used for the interactive session (e.g. from the default vi to nano), run:
GIT_EDITOR=nano git rebase -i HEAD~n
Step3: Git will pop up another e...
Merge pull request to a different branch than default, in Github
...only work directly if you first add the following line to your .git/config file:
fetch = +refs/pull/*/head:refs/remotes/symbolic_name_origin_or_upstream/pr/*
What that does is allow you to download ALL pull requests. Since that may not be desired for huge repos, GitHub modified the instructions t...
overlay two images in android to set an imageview
...le dynamically in code.
Solution #1 (via XML):
Create a new Drawable XML file, let's call it layer.xml:
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/t" />
<item android:drawable="@drawable/tt" />
</layer-lis...
Getting Spring Application Context
...er. I think the singleton's only job was to load the container from an XML file and hold it in a static member variable. I didn't return an instance of its own class, it returned an instance of the Spring container.
– Don Kirkby
Oct 16 '17 at 16:32
...
What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?
...dy give a clear explanation of how variable assignment really works in Makefiles.
6 Answers
...
Escape a string for a sed replace pattern
... have just tried to do : sed '/CLIENTSCRIPT="foo"/a CLIENTSCRIPT2="hello"' file with sed '|CLIENTSCRIPT="foo"|a CLIENTSCRIPT2="hello"' file and that does not do the same.
– Dimitri Kopriwa
Nov 19 '18 at 13:34
...
Xcode 6 Storyboard the wrong size?
...steps to resolve the issue
In Storyboard, select any view, then go to the File inspector. Uncheck the "Use Size Classes", you will ask to keep size class data for: iPhone/iPad. And then Click the "Disable Size Classes" button.
Doing this will make the storyboard's view size with selected device.
...
How do I find out if the GPS of an Android device is enabled
...oid:name="android.permission.ACCESS_FINE_LOCATION" />
Your java class file should be
public class ExampleApp extends Activity {
/** Called when the activity is first created. */
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
set...
What are the differences between a clustered and a non-clustered index?
...er. Create a logical order for data rows and use pointers to physical data files
Data insertion/update is faster than clustered index
Use extra space to store logical structure
Apart from these differences you have to know that when table is non-clustered (when the table doesn't have a clustered...