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Difference Between Invoke and DynamicInvoke
...long hand to make it clear that an object[] is involved. There are lots of extra costs here:
the array
validating the passed arguments are a "fit" for the actual MethodInfo
unboxing etc as necessary
reflection-invoke
then the caller needs to do something to process the return value
Basically, av...
How to initialize a struct in accordance with C programming language standards
...lize a struct this way:
typedef struct Item {
int a;
float b;
char* name;
} Item;
int main(void) {
Item item = { 5, 2.2, "George" };
return 0;
}
An important thing to remember, at the moment you initialize even one object/ variable in the struct, all of its other variables wi...
Why are quaternions used for rotations?
... because they can do more than rotations. But in the case of rotations the extra components are determined in terms of the others.
– JMP
Jan 18 '12 at 23:45
2
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How do I pass command line arguments to a Node.js program?
...ecause options that start with a single dash are only supposed to a single character. Anything that follows a single char option is taken as an argument for the option (no space required). Starting the option with two dashes (i.e. --n5) should produce 'n5: true'. This is fairly standard behaviour fo...
Why do we need RESTful Web Services?
...ot to the service. Consider a service that returns an "Employee": {int id; string firstName, lastName, streetAddress1, streetAddress2, city, state; int zip;}. You seem to be suggesting either that we register "Employee" with IANA, or that we just consider "Employee" to be an associative array of nam...
How to intercept all AJAX requests made by different JS libraries
... for other reasons.
And, the only performance impact is really only one extra function call for each .open() plus whatever code you execute yourself which is probably immaterial when a networking call is involved.
In IE, this won't catch any code that tries to use the ActiveXObject control met...
Return number of rows affected by UPDATE statements
...ATE PROCEDURE UpdateTables
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
DECLARE @RowCount1 INTEGER
DECLARE @RowCount2 INTEGER
DECLARE @RowCount3 INTEGER
DECLARE @RowCount4 INTEGER
UPDATE Tab...
What's the difference between KeyDown and KeyPress in .NET?
...ctical difference between KeyDown and KeyPress is that KeyPress relays the character resulting from a keypress, and is only called if there is one.
In other words, if you press A on your keyboard, you'll get this sequence of events:
KeyDown: KeyCode=Keys.A, KeyData=Keys.A, Modifiers=Keys.None
Key...
How to detect if a specific file exists in Vimscript?
...t g:hasVundle = 1 endif
filereadable is what is required, but there's an extra handy step of expand, should you be using ~ in your path:
:function! SomeCheck()
: if filereadable(expand("SpecificFile"))
: echo "SpecificFile exists"
: endif
:endfunction
For example
:echo filereadabl...
CSS: bolding some text without changing its container's size
... and @workaholic_gangster911's ::after drawing trick, which leaves awkward extra space so the bold text can expand without nudging neighboring text items (I put the attribution after the bold text so you can see how it does not move).
In the future, we'll have more variable fonts capable of thing...