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What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...ple, I like to use the following style:
(list
filter (...)
map (...)
mkString ", "
)
That's the same thing as:
list filter (...) map (...) mkString ", "
Now, why am I using parenthesis here, if filter and map take a single parameter? It's because I'm passing anonymous functions to them. I c...
Search for string and get count in vi editor
I want to search for a string and find the number of occurrences in a file using the vi editor.
8 Answers
...
ASP.NET MVC HandleError
...log in file
if (ConfigurationManager.AppSettings["SaveErrorLog"].ToString().Trim().ToUpper() == "TRUE")
{
SaveErrorLog(ex, filterContext);
}
// if the request is AJAX return JSON else view.
if (IsAjax(filterContext))
{
//Becaus...
Check if my app has a new version on AppStore
...Dictionary* infoDictionary = [[NSBundle mainBundle] infoDictionary];
NSString* appID = infoDictionary[@"CFBundleIdentifier"];
NSURL* url = [NSURL URLWithString:[NSString stringWithFormat:@"http://itunes.apple.com/lookup?bundleId=%@", appID]];
NSData* data = [NSData dataWithContentsOfURL:...
how to check if object already exists in a list
...r data structure. For example,
public class MyClass
{
public string Property1 { get; set; }
public string Property2 { get; set; }
}
public class MyClassComparer : EqualityComparer<MyClass>
{
public override bool Equals(MyClass x, MyClass y)
{...
Check if string matches pattern
How do I check if a string matches this pattern?
6 Answers
6
...
How to convert boost path type to string?
...
You just need to call myPath.string().
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Does a const reference class member prolong the life of a temporary?
...Here's the simplest way to explain what happened:
In main() you created a string and passed it into the constructor. This string instance only existed within the constructor. Inside the constructor, you assigned member to point directly to this instance. When when scope left the constructor, the st...
Match everything except for specified strings
...
If you want to make sure that the string is neither red, green nor blue, caskey's answer is it. What is often wanted, however, is to make sure that the line does not contain red, green or blue anywhere in it. For that, anchor the regular expression with ^ a...
How do I find out which process is locking a file using .NET?
...anagedType.ByValTStr, SizeConst = CCH_RM_MAX_APP_NAME + 1)]
public string strAppName;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = CCH_RM_MAX_SVC_NAME + 1)]
public string strServiceShortName;
public RM_APP_TYPE ApplicationType;
public uint AppStatus;
...