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sqlite database default time value 'now'
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i believe you can use
CREATE TABLE test (
id INTEGER PRIMARY KEY AUTOINCREMENT,
t TIMESTAMP
DEFAULT CURRENT_TIMESTAMP
);
as of version 3.1 (source)
share
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How to pass a single object[] to a params object[]
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A simple typecast will ensure the compiler knows what you mean in this case.
Foo((object)new object[]{ (object)"1", (object)"2" }));
As an array is a subtype of object, this all works out. Bit of an odd solution though, I'll agree.
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Why is Double.MIN_VALUE in not negative
Can anyone shed some light on why Double.MIN_VALUE is not actually the minimum value that Doubles can take? It is a positive value, and a Double can of course be negative.
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Overloaded method selection based on the parameter's real type
...In Java, dynamic method dispatch happens only for the object the method is called on, not for the parameter types of overloaded methods.
Citing the Java Language Specification:
When a method is invoked (§15.12), the
number of actual arguments (and any
explicit type arguments) and the
com...
_DEBUG vs NDEBUG
...and reincluding <assert.h> changes the assert macro accordingly). Because this is different than expected/desired, it's common to use another macro to control a "compile-wide" debug flag as this answer says.
– Roger Pate
Feb 18 '10 at 17:23
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How to set host_key_checking=false in ansible inventory file?
...pdated my answer to account for more recent versions of ansible.
Yes, you can do it at the host/inventory level (Which became possible on newer ansible versions) or global level:
inventory:
Add the following.
ansible_ssh_common_args='-o StrictHostKeyChecking=no'
host:
Add the following.
ansi...
AtomicInteger lazySet vs. set
...me other volatile write or synchronizing action occurs).
The main use case is for nulling out fields of nodes in
non-blocking data structures solely for the sake of avoiding
long-term garbage retention; it applies when it is harmless
if other threads see non-null values for a while, but y...
Handle Guzzle exception and get HTTP body
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Guzzle 3.x
Per the docs, you can catch the appropriate exception type (ClientErrorResponseException for 4xx errors) and call its getResponse() method to get the response object, then call getBody() on that:
use Guzzle\Http\Exception\ClientErrorResponseE...
How to jQuery clone() and change id?
... many elements with IDs like klon--5 but scrambled (not in order). Here we cannot go for :last or :first, therefore we need a mechanism to retrieve the highest ID:
const $all = $('[id^="klon--"]');
const maxID = Math.max.apply(Math, $all.map((i, el) => +el.id.match(/\d+$/g)[0]).get());
con...
Entity Framework code first unique column
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In Entity Framework 6.1+ you can use this attribute on your model:
[Index(IsUnique=true)]
You can find it in this namespace:
using System.ComponentModel.DataAnnotations.Schema;
If your model field is a string, make sure it is not set to nvarchar(MA...