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Detect if Android device has Internet connection
...User-Agent", "Test");
urlc.setRequestProperty("Connection", "close");
urlc.setConnectTimeout(1500);
urlc.connect();
return (urlc.getResponseCode() == 200);
} catch (IOException e) {
Log.e(LOG_TAG, "Error checking internet connectio...
Insert line after first match using sed
...
Note the standard sed syntax (as in POSIX, so supported by all conforming sed implementations around (GNU, OS/X, BSD, Solaris...)):
sed '/CLIENTSCRIPT=/a\
CLIENTSCRIPT2="hello"' file
Or on one line:
sed -e '/CLIENTSCRIPT=/a\' -e 'CLIENTSCRIPT2="hello"' file
(-expressions (and t...
InputStream from a URL
...
Calling this method in UI thread in Android will raise an exception. Do it in a background thread. Use Bolts-Android
– Behrouz.M
Mar 6 '19 at 10:16
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When should I use nil and NULL in Objective-C?
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technically, they are exactly equal, you can send messages to both nil and to NULL. Idiomatically though nil is usually used to represent an object
– cobbal
Oct 14 '09 at 5:43
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Where does Chrome store extensions?
...s local paths, they are left in the place where there are selected from in all Operating Systems.
Ex: If i load a unpacked Extension from E:\Chrome Extension the unpacked Extension is still in the same location
Storage Location for Packed Extensions
Navigate to chrome://version/ and look for Prof...
Where is PATH_MAX defined in Linux?
...ef'd article in part seems to confuse these two, at least in part). Note: POSIX <limits.h> says: A definition of one of the symbolic constants in the following list shall be omitted from the <limits.h> header […] where the corresponding value is equal to or greater than the stated mini...
open read and close a file in 1 line of code
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You don't really have to close it - Python will do it automatically either during garbage collection or at program exit. But as @delnan noted, it's better practice to explicitly close it for various reasons.
So, what you can do to keep ...
Increasing the maximum number of TCP/IP connections in Linux
...local_port_range = 32768 61000
net.ipv4.tcp_fin_timeout = 60
This basically means your system cannot consistently guarantee more than (61000 - 32768) / 60 = 470 sockets per second. If you are not happy with that, you could begin with increasing the port_range. Setting the range to 15000 61000 is...
How to delete a file from SD card?
... I think Inner children are not deleted.. you have to delete all inner childs.See my answer below..
– AndroidGeek
May 15 '14 at 7:56
2
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django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
...pip install mysql-python
or if not using a virtual environment (on *nix hosts):
sudo pip install mysql-python
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