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What is NSZombie?
...ment. Instead of "Run" to start the app, use "Profile" and an instrument selector will come up. Select "Zombie", and the app will start running - do whatever causes your crash, an a dialog will pop up saying "Zombie Messaged".
From there, click the small arrow in the dialog box. That will take ...
How to pass prepareForSegue: an object
...ntifier:sender: method to activate the transition to a new view based on a selection or button press.
For instance, consider I had two view controllers. The first contains three buttons and the second needs to know which of those buttons has been pressed before the transition. You could wire t...
How should I detect unnecessary #include files in a large C++ project?
...t may result in undefined behaviour if that specialization would have been selected. (See: Visibility of template specialization of C++ function)
As pointed out by 'msalters', performing a full analysis of the code also allows for analysis of class usage. By checking how a class is used though a ...
How to properly import a selfsigned certificate into Java keystore that is available to all Java app
...\cacerts to another folder.
In Portecle click File > Open Keystore File
Select the cacerts file
Enter this password: changeit
Click Tools > Import Trusted Certificate
Browse for the file mycertificate.pem
Click Import
Click OK for the warning about the trust path.
Click OK when it displays the...
How to set the value to a cell in Google Sheets using Apps Script?
... var cell = sheet.getRange("B2");
cell.setValue(100);
}
You can also select a cell using row and column numbers.
var cell = sheet.getRange(2, 3); // here cell is C2
It's also possible to set value of multiple cells at once.
var values = [
["2.000", "1,000,000", "$2.99"]
];
var range = s...
Numpy index slice without losing dimension information
...[0],[1,2]] you get the one dimensional array([2, 3]) My opinion is when selecting column or row vectors it's best to make the slice simple and then use np.reshape, So in my example it would be np.reshape(x[0,[1,2]],[1,2])
– Alexander
Sep 14 '15 at 1:43
...
How to run a makefile in Windows?
...
If you install Cygwin. Make sure to select make in the installer. You can then run the following command provided you have a Makefile.
make -f Makefile
https://cygwin.com/install.html
...
What's the difference between ISO 8601 and RFC 3339 Date Formats?
...fine. (This is not really different to what RFC3339 itself does in making selective reference to ISO8601.) See also the NOTE in section 5.6.
– Graham Klyne
Feb 4 '19 at 10:14
...
What is the difference between varchar and varchar2 in Oracle?
...R2. It is NOT a SYNONYM which is an actual object type in Oracle.
SQL> select substr(banner,1,80) from v$version where rownum=1;
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
SQL> create table test (my_char varchar(20));
Table created.
SQL> desc test
Na...
LINQ Single vs First
...if it finds more than one record matching the criteria.
First will always select the first record from the list. If the query returns just 1 record, you can go with First().
Both will throw an InvalidOperationException exception if the collection is empty.
Alternatively you can use SingleOrDefau...