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Unix tail equivalent command in Windows Powershell
... - optionally waiting on new content.
SYNTAX
Get-FileTail [-Path] <String[]> [-Count <Int32>] [-Encoding <EncodingParameter>] [-LineTerminator <String>] [-Wait] [<CommonParameters>]
Get-FileTail [-LiteralPath] <String[]> [-Count <Int32>] [-Encoding...
What is global::?
...cted static global::Foo bar = new global::Foo();
static void Main(string[] args)
{
bar.baz(); // would write Foo 1 to console as it refers to global scope
Foo qux = new Foo();
qux.baz(); // would write Foo 2 to the console as it refers to the Demo...
What does a colon following a C++ constructor name do? [duplicate]
...or base/member initializer list
class MyClass {
public :
MyClass(std::string& arg) {
member_ = arg;
}
std::string& member_;
};
The only correct way is:
class MyClass {
public :
MyClass(std::string& arg)
: member_(arg)
{
}
std::string&...
Why does C# forbid generic attribute types?
... like [PropertyReference(x => x.SomeProperty)]. Instead, you need magic strings and typeof(), which I think kind of sucks.
– Asbjørn Ulsberg
Jun 25 '11 at 12:38
13
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Why does the 260 character path length limit exist in Windows?
...r. For example, the maximum path on drive D is "D:\some 256-character path string<NUL>" where "<NUL>" represents the invisible terminating null character for the current system codepage. (The characters < > are used here for visual clarity and cannot be part of a valid path string....
What is the best way to create constants in Objective-C
...declare them as static const at the top of the .m file, like so:
static NSString *const MyThingNotificationKey = @"MyThingNotificationKey";
If they pertain to a single class but should be public/used by other classes, declare them as extern in the header and define them in the .m:
//.h
extern NS...
Passing an array to a query using a WHERE clause
...prepare and execute the query as noted above.
Using the IN() operator with strings
It is easy to change between strings and integers because of the bound parameters. For PDO there is no change required; for MySQLi change str_repeat('i', to str_repeat('s', if you need to check strings.
[1]: I've omit...
Non-alphanumeric list order from os.listdir()
...
You can use the builtin sorted function to sort the strings however you want. Based on what you describe,
sorted(os.listdir(whatever_directory))
Alternatively, you can use the .sort method of a list:
lst = os.listdir(whatever_directory)
lst.sort()
I think should do the...
What can , and be used for?
......
</h:dataTable>
With basically this @RequestScoped bean:
private String query;
private List<Result> results;
public void search() {
results = service.search(query);
}
Note that the <h:message> is for the <f:viewParam>, not the plain HTML <input type="text">! A...
Get boolean from database using Android and SQLite
...
The decent way to do this would be to use
Boolean.parseBoolean(cursor.getString(booleanColumnIndex));`
though you are now limited to storing the strings "true" and "false" rather than 0 or 1.
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