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what's data-reactid attribute in html?
...ike .0.1.4.3), whereas server-rendered ones will be prefixed with a random string (such as .loqi70ccu80.1.4.3). This is because the application might be rendered across multiple servers and it's important that there are no collisions. At the client-side, there is only one rendering process, which me...
Ruby: kind_of? vs. instance_of? vs. is_a?
....is_a? Object and "hello".kind_of? Object return true because "hello" is a String and String is a subclass of Object.
However "hello".instance_of? Object returns false.
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Is it possible to cast a Stream in Java 8?
... specific to generics. A List<Object> is not a super type of List<String>, so you can't just cast a List<Object> to a List<String>.
Similar is the issue here. You can't cast Stream<Object> to Stream<Client>. Of course you can cast it indirectly like this:
Strea...
PDO's query vs execute
...are on the : calories is that kind of the equivalent of mysql_real_escape_string() to stop injections or do you need more than just $sth->bindParam(':calories', $calories); to heighten security?
– Dan
Jan 5 '12 at 12:52
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Parsing JSON from XmlHttpRequest.responseJSON
...buffer or other response types then you have to check if the response is a string.
in any case you have to add more checks e.g. if it's not able to parse the json.
Object.defineProperty(XMLHttpRequest.prototype,'responseJSON',{value:function(){
return (typeof this.response==='string'?JSON.parse(t...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...seeing if postgres works, create a scaffold:
$ rails g scaffold cats name:string age:integer colour:string
3) As of rails 4.0.1 the -d postgresql option generates a YAML that doesn't include a host parameter. I found I needed this. Edit the development section and create the following parameters:...
How to call asynchronous method from synchronous method in C#?
...;TUser, TKey>(this UserManager<TUser, TKey> manager, TKey userId, string role) where TUser : class, IUser<TKey> where TKey : IEquatable<TKey>
{
if (manager == null)
{
throw new ArgumentNullException("manager");
}
return AsyncHelper.RunSync<bool>(() ...
Django connection to PostgreSQL: “Peer authentication failed”
...s.djangoproject.com/en/1.6/ref/settings/#host ) lies: "HOST [...] An empty string means localhost". This is not true, I had the same problem and I fixed it writing 'localhost'. Thank you for the tip.
– Marco Sulla
Nov 25 '13 at 20:03
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Pass An Instantiated System.Type as a Type Parameter for a Generic Class
...}", typeof(T));
}
}
class Test
{
static void Main()
{
string typeName = "System.String";
Type typeArgument = Type.GetType(typeName);
Type genericClass = typeof(Generic<>);
// MakeGenericType is badly named
Type constructedClass = genericCla...
How can I set up an editor to work with Git on Windows?
...single-quotes so you must use double quotes "to specify the space embedded string argument".
Cygwin (which I believe is the underlying platform for Git's Bash) on the other hand likes both ' and "; you can specify a CMD-like paths, using / instead of \, so long as the string is quoted i.e. in this ...