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JSON Array iteration in Android/Java
...to download and synchronise with an online database, I am sending my query from the app to a php page which returns the relevant rows from a database in JSON format.
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Getting command-line password input in Python
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Use getpass.getpass():
from getpass import getpass
password = getpass()
An optional prompt can be passed as parameter; the default is "Password: ".
Note that this function requires a proper terminal, so it can turn off echoing of typed character...
How do I make a delay in Java?
.... Every time you run code and then sleep you will be drifting a little bit from running, say, every second. If this is an issue then don't use sleep.
Further, sleep isn't very flexible when it comes to control.
For running a task every second or at a one second delay I would strongly recommend a S...
Show dialog from fragment?
... @CliveJefferies It can, but still isn't supposed to show other dialogs from within itself. I think guys here are getting the question wrong.
– Marcel Bro
Sep 13 '16 at 10:17
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Difference between “git add -A” and “git add .”
... <path>" now, so that
"git add dir/" will notice paths you removed from the directory and
record the removal.
In older versions of Git, "git add <path>" ignored removals.
You can say "git add --ignore-removal <path>" to
add only added or modified paths in <path>...
bool to int conversion
...ortable. Standard conformant. bool to int conversion is implicit!
§4.7/4 from the C++ Standard says (Integral Conversion)
If the source type is bool, the value false is converted to zero and
the value true is converted to one.
As for C, as far as I know there is no bool in C. (before 199...
What Android tools and methods work best to find memory/resource leaks? [closed]
...he Activity is destroyed, created again and the layouts are “inflated” from the XML consuming the VM memory avaiable for bitmaps.
Bitmaps on the previous activity layout are not properly deallocated by the garbage collector because they have crossed references to their activity. After many expe...
Creating .pem file for APNS?
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Here is what I did, From:blog.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pezzillo.
With the aps_developer_identity.cer in the keychain:
Launch Keychain Access from your local Mac and from the login keychain, filter by the Ce...
Why is there a difference in checking null against a value in VB.NET and C#?
... Why answer the question by trial and error? Should be possible to do it from the language specifications.
– David Heffernan
Mar 20 '13 at 12:59
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List comprehension rebinds names even after scope of comprehension. Is this right?
...don't. While this makes some sense in that the former were all back-ported from Python 3, it really makes the contrast with list comprehensions jarring.
– Matt B.
Nov 27 '11 at 20:47
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