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How do I modify a MySQL column to allow NULL?
...ge case which is the TIMESTAMP type, which depending on your MySQL version and config can be NOT NULL specifying NULL as suggested by @ConroyP is more correct.
– Matthew Buckett
Jan 26 '16 at 13:37
...
How can bcrypt have built-in salts?
...m PasswordEncoder interface documentation from Spring Security,
* @param rawPassword the raw password to encode and match
* @param encodedPassword the encoded password from storage to compare with
* @return true if the raw password, after encoding, matches the encoded password from
* storage
*...
“use database_name” command in PostgreSQL
...you must get a new connection.
Using \c in psql closes the old connection and acquires a new one, using the specified database and/or credentials. You get a whole new back-end process and everything.
share
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MYSQL OR vs IN performance
...e is the simplest possible use case. Using Eloquent for syntax simplicity, raw SQL equivalent executes the same.
$t = microtime(true);
for($i=0; $i<10000; $i++):
$q = DB::table('users')->where('id',1)
->orWhere('id',2)
->orWhere('id',3)
->orWhere('id',4)
->orWhere...
Converting DateTime format using razor
...playFormat] attribute is only used in EditorFor/DisplayFor, and not by the raw HTML APIs like TextBoxFor. I got it working by doing the following,
Model:
[Display(Name = "When was that document issued ?")]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:d}")]
public DateTime? L...
npm failed to install time with make not found error
... This solved the issue because the program 'make' es missing and the build-essential package installs it along with several other build tools like g++ which is needed to compile node if you want to go that route. This should be marked as the answer, at least for the OS which is not me...
“#include” a text file in a C program as a char[]
... done with only little changes to the included text file thanks to the new raw string literals:
In C++ do this:
const char *s =
#include "test.txt"
;
In the text file do this:
R"(Line 1
Line 2
Line 3
Line 4
Line 5
Line 6)"
So there must only be a prefix at the top of the file and a suffix at ...
How to insert a SQLite record with a datetime set to 'now' in Android application?
...tValues". Either you can use :
SQLiteDatabase.execSQL so you can enter a raw SQL query.
mDb.execSQL("INSERT INTO "+DATABASE_TABLE+" VALUES (null, datetime()) ");
Or the java date time capabilities :
// set the format to sql date time
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM...
Git interactive rebase no commits to pick
I'm on master and I did rebase -i <my_branch>
4 Answers
4
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Convert a string to int using sql query
...question since it was in relation to SQL Server 2005, but since it is 2019 and fewer folks are strapped to such an old version of SQL Server, this answer is definitely helpful.
– shaune
Mar 4 '19 at 14:54
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