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How to link to apps on the app store
...n' s openURL: method to open your item in the App Store.
Sample code:
NSString *iTunesLink = @"itms://itunes.apple.com/app/apple-store/id375380948?mt=8";
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:iTunesLink]];
Swift 4.2
let urlStr = "itms-apps://itunes.apple.com/app/ap...
How do I rename a project in Xcode 5?
...t will include the info.plist and various files, but also all the relevant strings from nib/xib files like MainMenu menus.
Accept the changes and you will get the prompt to save a snapshot of the project.
Always make a snapshot when Xcode asks, it will be useful to restore if something does not wor...
General guidelines to avoid memory leaks in C++ [closed]
...e heap internally (note the double negation... :-) ...). For example, std::string implemented with Small String Optimization will have a buffer "on the stack of the class" for small strings (~15 chars), and will use a pointer to a memory in the heap for larger strings... But from the outside, std::s...
How to design a product table for many kinds of product where each product has many parameters
...e table for Products, storing attributes common to all product types. One extra column stores a BLOB of semi-structured data, in XML, YAML, JSON, or some other format. This BLOB allows you to store the attributes specific to each product type. You can use fancy Design Patterns to describe this, s...
What's the difference between Spring Data's MongoTemplate and MongoRepository?
... changes.
Example: given a document like this: { _id: "ID1", field1: "a string", field2: 10.0 } and two different threads concurrently updating it...
With MongoTemplate it would look somewhat like this:
THREAD_001 THREAD_002
| ...
What is the difference between varchar and varchar2 in Oracle?
...ARCHAR is reserved by Oracle to support distinction between NULL and empty string in future, as ANSI standard prescribes.
VARCHAR2 does not distinguish between a NULL and empty string, and never will.
If you rely on empty string and NULL being the same thing, you should use VARCHAR2.
...
Storing money in a decimal column - what precision and scale?
...es are stored using an integer for the smallest unit.
class Currency {
String code; // eg "USD"
int value; // eg 2500
boolean converted;
}
class Price {
Currency grossValue;
Currency netValue;
Tax taxRate;
}
In the database, the values are stored as a string in ...
Insert code into the page context using a content script
...n('\n');
Method 2b: Using a function
For a big chunk of code, quoting the string is not feasible. Instead of using an array, a function can be used, and stringified:
var actualCode = '(' + function() {
// All code is executed in a local scope.
// For example, the following does NOT overwrit...
What are attributes in .NET?
...lDescriptionAttribute : Attribute
{
public:
ControlDescriptionAttribute (String ^name, String ^description) :
_name (name),
_description (description)
{
}
property String ^Name
{
String ^get () { return _name; }
}
property String ^Description
{
String ^get () { retu...
Check if a variable is a string in JavaScript
How can I determine whether a variable is a string or something else in JavaScript?
25 Answers
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