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Default value to a parameter while passing by reference in C++
... with '0' b.f2(); // f2(int) called with '0'
– Pietro
Jun 19 '11 at 19:45
4
...
What is stack unwinding?
...form way, with somewhat less flexibility.
– Patrick Niedzielski
Sep 7 '10 at 12:04
10
I've just t...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
...ing the text also says:
If you are inserting many rows from the same client at the same time, use INSERT statements with multiple VALUES lists to insert several rows at a time. This is considerably faster (many times faster in some cases) than using separate single-row INSERT statements.
...
Gzip versus minify
...xpanded.js.gz
-rwx------ 1 xxxxxxxx mkgroup-l-d 81 Apr 30 09:18 minified.js.gz
Here's a further test using a real-world JS example. The source file is "common.js" The original file size is 73134 bytes. Minified, it came to 26232 bytes.
Original file:
-rwxrwxrwx 1 xxxxxxxx mkgroup-l-d 73...
Cannot push to GitHub - keeps saying need merge
...
This worked for me. I have tried $ git pull origin master -v but it gives error fatal: refusing to merge unrelated histories. Then I tried this and it worked and my local files appeared on github remote repo.
– Vir
...
Hidden Features of JavaScript? [closed]
...ly expensive -- the best examples are in Safari, Firefox, and Chrome nightlies where merely referencing the arguments object makes calling a function much slower -- eg. if(false) arguments; will hurt perf.
– olliej
Feb 18 '09 at 3:20
...
How to check whether dynamically attached event listener exists or not?
... past. My recommendation would be to use a very specific syntax structure. IE instead of "listener", use the event itself. So "data-event-click". This provides some flexibility in the event you're looking to do more than one event, and keeps things a bit more readable.
– conrad...
Performing a Stress Test on Web Application?
...sy to get started with, and easy to use once you grasp the core concepts. (Ie, how to create a request, how to create an assertion, how to work with variables etc).
Very scalable. I've run tests with 11 machines generating load on the server to the tune of almost a million hits/hour. It was much eas...
Mysql - How to quit/exit from stored procedure
...you can throw an exception. Negating exception handlers, etc. that will achieve the same result, but in a cleaner, more poignant manner.
Here's how:
DECLARE CUSTOM_EXCEPTION CONDITION FOR SQLSTATE '45000';
IF <Some Error Condition> THEN
SIGNAL CUSTOM_EXCEPTION
SET MES...
Calculate text width with JavaScript
...lementById("Test");
test.style.fontSize = fontSize;
var height = (test.clientHeight + 1) + "px";
var width = (test.clientWidth + 1) + "px"
console.log(height, width);
#Test
{
position: absolute;
visibility: hidden;
height: auto;
width: auto;
white-space: nowrap; /* T...