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c# why can't a nullable int be assigned null as a value [duplicate]
...cast on the Convert.ToInt32() was not necessary. There is an implicit cast from int to int?. The cast on the null is necessary regardless of whether you use int? or long?. The other options is to cast only the Convert.ToInt32() to an int? or long? (as suggested by Will Dean) as this will make the nu...
CSS submit button weird rendering on iPad/iPhone
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Brilliant, and here is a great article about it from CSS tricks. It lists all the other elements changed by WebKit and Mozilla.
– Patrick
Jun 6 '13 at 11:25
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Is passing 'this' in a method call accepted practice in java
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The ONLY bad thing about using this from within a constructor is if this is passed into a method or context from which the not-yet-fully-contructed object reference is published to untrusted or unknown clients (or client code that assumes it has a view to a ful...
How to squash all git commits into one?
...ject
and emits the new commit object id on stdout. The log message is
read from the standard input, unless -m or -F options are given.
The expression HEAD^{tree} means the tree object corresponding to HEAD, namely the tip of your current branch. see Tree-Objects and Commit-Objects.
reset the curre...
Spring @PostConstruct vs. init-method attribute
...nit-method in xml was preferred way , as it decouples java classes (beans) from any spring specific classes/annotations.So if you are building a library that does not need to be dependent on spring infrastructure beans then use of init-method was preferred.During creation method u can specify the me...
Are NSLayoutConstraints animatable? [duplicate]
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Just follow this exact pattern:
self.heightFromTop.constant = 550.0f;
[myView setNeedsUpdateConstraints];
[UIView animateWithDuration:0.25f animations:^{
[myView layoutIfNeeded];
}];
where myView is the view where self.heightFromTop was added to. Your view is "j...
Appending a vector to a vector [duplicate]
... standard specifically says that the iterators given to insert must not be from the same range as the receiver object's elements, so I suppose that technically speaking it's UB.
– templatetypedef
Jan 30 '14 at 21:47
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Different bash prompt for different vi editing mode?
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Fresh bash 4.3 and readline 6.3 have something for you guys.. from the changelog:
4. New Features in Readline
j. New user-settable variable, show-mode-in-prompt, adds a characters to the
beginning of the prompt indicating the current editing mode.
So putting
set show-mode-in-p...
AJAX Mailchimp signup form integration
...ass.php'); // same directory as store-address.php
// grab an API Key from http://admin.mailchimp.com/account/api/
$api = new MCAPI('123456789-us2');
$merge_vars = Array(
'EMAIL' => $_GET['email'],
'FNAME' => $_GET['fname'],
'LNAME' => $_GET['lname']
...
Using smart pointers for class members
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This is something that only you as a designer of your program can tell; from the example you provide, it is hard for me to tell whether this is the case or not.
To help you figure it out, you may ask yourself whether there are any other objects apart from Settings that are entitled to keep the D...