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What's the difference between the various methods to get a Context?
...e:
public class MyApplication extends Application {
public static String getPackageName() {
String packageName = null;
try {
PackageInfo mPackageInfo = getApplicationContext().getPackageManager().getPackageInfo(getApplicationContext().getPackageName(), 0);
...
read subprocess stdout line by line
...
process = subprocess.Popen(command, stdout=subprocess.PIPE)
list_of_byte_strings = process.stdout.readlines()
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Capturing Groups From a Grep RegEx
... name="${BASH_REMATCH[1]}"
echo "${name}.jpg" # concatenate strings
name="${name}.jpg" # same thing stored in a variable
else
echo "$f doesn't match" >&2 # this could get noisy if there are a lot of non-matching files
fi
done
It's better to put the ...
Red black tree over avl tree
...ack tree.
AVL trees store the balance factor at each node. This takes O(N) extra space. However, if we know that the keys that will be inserted in the tree will always be greater than zero, we can use the sign bit of the keys to store the colour information of a red-black tree. Thus, in such cases r...
BAT file: Open new cmd window and execute a command in there
...e-batch-commands-here"
/c Carries out the command
specified by string and then
terminates
/k Carries out the
command specified by string but
remains
Consult the cmd.exe documentation using cmd /? for more details.
The proper formating of the command string gets a little m...
JavaScript + Unicode regexes
...e.
Situation for ES 5 and below
Even though JavaScript operates on Unicode strings, it does not implement Unicode-aware character classes and has no concept of POSIX character classes or Unicode blocks/sub-ranges.
Issues with Unicode in JavaScript regular expressions
Check your expectations here: ...
Suppress Scientific Notation in Numpy When Creating Array From Nested List
...r 1D and 2D arrays you can use np.savetxt to print using a specific format string:
>>> import sys
>>> x = numpy.arange(20).reshape((4,5))
>>> numpy.savetxt(sys.stdout, x, '%5.2f')
0.00 1.00 2.00 3.00 4.00
5.00 6.00 7.00 8.00 9.00
10.00 11.00 12.00 13.00 14.00
15...
Entity Framework 5 Updating a Record
...hen to call, for example:
public void UpdatePasswordAndEmail(long userId, string password, string email)
{
var user = new User {UserId = userId, Password = password, Email = email};
Update(user, u => u.Password, u => u.Email);
Save();
}
I like one trip to the database. Its pro...
SQL Switch/Case in 'where' clause
... @selectedValue varchar (50)
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
SELECT
drugstock_drugname.n_cur_bal,drugname.cdrugname,clinic.cclinicname
FROM drugstock_drugname
INNER JOIN drugname ON drugstock_drugname.dr...
How do I change selected value of select2 dropdown with JqGrid?
...ng with select 2 boxes where both boxes are populated with Ajax and I used extra data properties for the first box to set the value of the second using this. Again thank you!!!!
– Sam
Oct 26 '16 at 11:06
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