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Which is faster: while(1) or while(2)?
...intel with an optimization flag):
With -O0:
.file "main.c"
.intel_syntax noprefix
.def __main; .scl 2; .type 32; .endef
.text
.globl main
.def main; .scl 2; .type 32; .endef
.seh_proc main
main:
push rbp
.seh_pushreg rbp
mov rbp,...
How do you make lettered lists using markdown?
Markdown allows ordered lists using numbers. How can I instead get an ordered list using letters ? i.e.
5 Answers
...
Why use bzero over memset?
...
+1. That memset violates a common parameter ordering of "buffer, buffer_size" makes it particularly error-prone IMO.
– jamesdlin
Aug 20 '13 at 8:53
...
Attach parameter to button.addTarget action in Swift
...tton.addTarget(self, action: #selector(YourViewController.webButtonTouched(_:)), for:.touchUpInside)
webButton.params["myvalue"] = "bob"
then finally catch it all here
@IBAction func webButtonTouched(_ sender: PassableUIButton) {
print(sender.params["myvalue"] ?? "")
}
You do this one time ...
IE 8: background-size fix [duplicate]
...
I use the filter solution above, for ie8.
However..
In order to solve the freezing links problem , do also the following:
background: no-repeat center center fixed\0/; /* IE8 HACK */
This has solved the frozen links problem for me.
...
What is the purpose and use of **kwargs?
... it simply interpolates the passed args to the parameters(in left-to-right order) while **kwargs behaves intelligently by placing the appropriate value @ the required place
share
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How to properly reuse connection to Mongodb across NodeJs application and modules
...re( 'mongodb' ).MongoClient;
const url = "mongodb://localhost:27017";
var _db;
module.exports = {
connectToServer: function( callback ) {
MongoClient.connect( url, { useNewUrlParser: true }, function( err, client ) {
_db = client.db('test_db');
return callback( err );
} );...
Find rows that have the same value on a column in MySQL
...LECT email,
count(*) AS c
FROM TABLE
GROUP BY email
HAVING c > 1
ORDER BY c DESC
If you want the full rows:
select * from table where email in (
select email from table
group by email having count(*) > 1
)
...
How can jQuery deferred be used?
...he new Deferred object and the attached methods .when , .Deferred and ._Deferred .
11 Answers
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How can we redirect a Java program console output to multiple files?
... It seems that you also need to close with System.out.flush() in order to avoid possibly missing some output.
– Robert Tupelo-Schneck
Mar 30 '15 at 15:23
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