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Installing Python 3 on RHEL
...t instance to the system default with an altinstall:
$ make altinstall
Now if you want an alternative installation directory, you can pass --prefix to the configurecommand.
Example: for 'installing' Python in /opt/local, just add --prefix=/opt/local.
After the make install step: In order to u...
Format XML string to print friendly XML string
...Check the following link: How to pretty-print XML (Unfortunately, the link now returns 404 :()
The method in the link takes an XML string as an argument and returns a well-formed (indented) XML string.
I just copied the sample code from the link to make this answer more comprehensive and convenie...
Proxies with Python 'Requests' module
...', proxies=urllib.request.getproxies())
It works really well and urllib knows about getting Mac OS X and Windows settings as well.
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Detect if Android device has Internet connection
...eck if there is an active Internet connection is to try and connect
to a known server via http.
public static boolean hasActiveInternetConnection(Context context) {
if (isNetworkAvailable(context)) {
try {
HttpURLConnection urlc = (HttpURLConnection) (new URL("http://www.go...
Can I use view pager with views (not with fragments)
... me a lot... i extended PageAdapter instead of FragmentPageAdapter........ now its work fine.....
– ranjith
Sep 10 '13 at 4:39
3
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Clear terminal in Python [duplicate]
...
Or now, in Python3, print(chr(27) + "[2J")
– david.barkhuizen
Jan 18 '14 at 19:01
4
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What is the difference between is_a and instanceof?
... must accept an Object as the first argument, but PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_string (defaults to false) to allow comparisons of string class names instead:
class MyBaseClass {}
class MyExtendingClass extends MyBaseClass {}
// Original behavior, ev...
Why does ConcurrentHashMap prevent null keys and values?
...eature, which wasn't available back then (Java 5). You could use Optionals now, indeed.
– Bruno
Sep 18 '18 at 15:02
@A...
Gitignore not working
...m your system use: git rm --cached filename
To untrack every file that is now in your .gitignore:
First commit any outstanding code changes, and then, run this command:
git rm -r --cached .
This removes any changed files from the index(staging area), then just run:
git add .
Commit it:
git ...
What's the difference between “Layers” and “Tiers”?
...e compile the projects we get the respective layer DLL. So we have 3 DLL's now.
Depending upon how we deploy our application, we may have 1 to 3 tiers. As we now have 3 DLL's, if we deploy all the DLL's on the same machine, then we have only 1 physical tier but 3 logical layers.
If we choose to de...