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How do you install an APK file in the Android emulator?
... find sdk path in your mac system, do the following steps: Open finder->select Go option on top menu -> select Go to Folder option -> it will popup a window with a textfield: /Users/your_system_username/Library/Android/sdk/ -> now open platform-tools folder and paste your copied .apk fi...
NSAttributedString add text alignment
... least it displayed the line as centered, but the thing seems to be buggy, selection doesn't work properly with centered text.
– omz
Jul 24 '11 at 0:53
...
How do I make a checkbox required on an ASP.NET form?
... ClientValidationFunction="CheckBoxRequired_ClientValidate">You must select this box to proceed.</asp:CustomValidator>
and finally, in your postback - whether from a button or whatever...
if (Page.IsValid)
{
// your code here...
}
...
How do I list all files of a directory?
...'work.txt', '3ebooks.txt', 'documents']
glob
I found glob easier to select the file of the same type or with something in common. Look at the following example:
import glob
txtfiles = []
for file in glob.glob("*.txt"):
txtfiles.append(file)
glob with list comprehension
import glo...
How to Update Multiple Array Elements in mongodb
...n the search result to just those that match the conditions for the update selection:
db.collection.aggregate([
{ "$match": { "events.handled": 1 } },
{ "$project": {
"events": {
"$setDifference": [
{ "$map": {
"input": "$events",
...
SQL Server Script to create a new user
...s using the Login you just declared:
Use YourDatabase;
GO
IF NOT EXISTS (SELECT * FROM sys.database_principals WHERE name = N'NewAdminName')
BEGIN
CREATE USER [NewAdminName] FOR LOGIN [NewAdminName]
EXEC sp_addrolemember N'db_owner', N'NewAdminName'
END;
GO
Now, Logins are a bit more flu...
How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...y the System Preferences Java Control Panel doesn't just present a list to select from, rather than have to resort to shell scripts/commands. I suspect this is just for Applets that run in the browser...
– JGFMK
Aug 14 '14 at 17:56
...
Python: Checking if a 'Dictionary' is empty doesn't seem to work
...e for statement. As a result, your code will process only one, arbitrarily selected key, if a key exists. If a key does not exist, the function will return None, which will be cast to boolean False. Ouch! All the empty dictionaries will be classified as false-nagatives.
If the dictionary is not emp...
How to add http:// if it doesn't exist in the URL?
...
This should be the selected answer - why roll your own when the language has native support? Nice work.
– Tom Auger
Aug 19 '13 at 15:24
...
Retrieve only the queried element in an object array in MongoDB collection
...her answers if you are using a more recent version of MongoDB.
The field selector parameter is limited to complete properties. It cannot be used to select part of an array, only the entire array. I tried using the $ positional operator, but that didn't work.
The easiest way is to just filter the ...