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How do I create a basic UIButton programmatically?
...onWithType:UIButtonTypeCustom];
[button addTarget:self
action:@selector(aMethod:)
forControlEvents:UIControlEventTouchUpInside];
[button setTitle:@"Show View" forState:UIControlStateNormal];
button.frame = CGRectMake(80.0, 210.0, 160.0, 40.0);
[view addSubview:button];
...
How to add to the PYTHONPATH in Windows, so it finds my modules/packages?
...Explorer.
Right-click 'Computer' in the Navigation Tree Panel on the left.
Select 'Properties' at the bottom of the Context Menu.
Select 'Advanced system settings'
Click 'Environment Variables...' in the Advanced Tab
Under 'System Variables':
Add
PY_HOME
C:\Python27
PYTHONPATH
%PY_HOME%\Lib;%...
Shell command to sum integers, one per line?
...Paste typically merges lines of multiple files, but it can also be used to convert individual lines of a file into a single line. The delimiter flag allows you to pass a x+x type equation to bc.
paste -s -d+ infile | bc
Alternatively, when piping from stdin,
<commands> | paste -s -d+ - | ...
Read Excel File in Python
...ues for a given column
values = df['Arm_id'].values
#get a data frame with selected columns
FORMAT = ['Arm_id', 'DSPName', 'Pincode']
df_selected = df[FORMAT]
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When do you use the Bridge Pattern? How is it different from Adapter pattern?
...ge pattern looks a lot like the Adapter pattern in that a class is used to convert one kind of interface to another. However, the intent of the Adapter pattern is to make one or more classes' interfaces look the same as that of a particular class. The Bridge pattern is designed to separate a class's...
How to allow remote connection to mysql
...SQL and noticed there were multiple root users with different passwords.
select user, host, password from mysql.user;
So in MySQL I set all the passwords for root again and I could finally log in remotely as root.
use mysql;
update user set password=PASSWORD('NEWPASSWORD') where User='root';
fl...
Exception thrown inside catch block - will it be caught again?
...lause of the try statement, then the first (leftmost) such catch clause is selected. The value V is assigned to the parameter of the selected catch clause, and the Block of that catch clause is executed. If that block completes normally, then the try statement completes normally; if that block compl...
“Prevent saving changes that require the table to be re-created” negative effects
...ESCALATION = TABLE)
GO
SET IDENTITY_INSERT raw.Tmp_Contact ON
GO
IF EXISTS(SELECT * FROM raw.Contact)
EXEC('INSERT INTO raw.Tmp_Contact (ContactID, ProfileID, AddressType, ContactText)
SELECT ContactID, ProfileID, AddressType, ContactText FROM raw.Contact WITH (HOLDLOCK TABLOCKX)')
GO
S...
Stretch and scale CSS background
... svg images independently along each axis. You may have to scale it up and convert it to a raster image.
– Mike
Dec 19 '19 at 21:24
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What is difference between monolithic and micro kernel?
...e microkernels. Mach was initially a microkernel (not Mac OS X), but later converted into a hybrid kernel. Minix (before version 3) wasn't a pure microkernel because device drivers were compiled as part of the kernel.
Monolithic kernels are usually faster than microkernels. The first microkernel Mac...