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How do I remove a single file from the staging area (undo git add)?
...ve the staged files. Guess I've been looking at that screen so long I was selectively choosing what I wanted to see.
– PHLAK
Oct 1 '09 at 20:34
2
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Import CSV to SQLite
...ables
.tables
Find your table schema
.schema tripdata
Find table data
select * from tripdata limit 10;
Count the number of rows in the table
select count (*) from tripdata;
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How do I ignore ampersands in a SQL script running from SQL Plus?
..., I've chose the # character, but that choice is just an example.
SQL> select '&var_ampersand #var_hash' from dual;
Enter value for var_ampersand: a value
'AVALUE#VAR_HASH'
-----------------
a value #var_hash
SQL> set define #
SQL> r
1* select '&var_ampersand #var_hash' from du...
Unresolved reference issue in PyCharm
...
After all this don't forget to restart. In PyCharm menu select: File --> Invalidate Caches / Restart
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What's the difference between ng-model and ng-bind
...
ngModel
The ngModel directive binds an input,select, textarea (or custom form control) to a property on the scope.
This directive executes at priority level 1.
Example Plunker
JAVASCRIPT
angular.module('inputExample', [])
.controller('ExampleController', ['$scope...
How does `is_base_of` work?
...;B, D>&)
D* (Host<B, D>&)
This would mean that we can't select by constness anymore. In an ordinary overload resolution scenario, the call would now be ambiguous because normally the return type won't participate in overload resolution. For conversion functions, however, there is ...
CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
...
if not exists (select * from sysobjects where name='cars' and xtype='U')
create table cars (
Name varchar(64) not null
)
go
The above will create a table called cars if the table does not already exist.
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Eclipse error: indirectly referenced from required .class files?
...nfigured project)
Remove the "JRE System Library"
Hit "Add Library ...", Select "JRE System Library" and add the appropriate JRE for the project (eg. 'Workspace default JRE')
Hit "Finish" in the library selection and "OK" in the project properties and then wait for the re-build of the project
Ho...
Randomize a List
...uffle();
The code above uses the much criticised System.Random method to select swap candidates. It's fast but not as random as it should be. If you need a better quality of randomness in your shuffles use the random number generator in System.Security.Cryptography like so:
using System.Security....
missing private key in the distribution certificate on keychain
...ain Access application to export both the certificate and the private key. Select both using shift or command and right click to export to a .p12 file.
Attached a screenshot to make it very clear.
On your mac, import that .p12 file and you are good to go (just make sure you have a valid provisioni...