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How is CountDownLatch used in Java Multithreading?
...mplements Runnable {
CountDownLatch latch;
long workDuration;
String name;
public ProcessThread(String name, CountDownLatch latch, long duration){
this.name= name;
this.latch = latch;
this.workDuration = duration;
}
public void run() {
try ...
How best to determine if an argument is not sent to the JavaScript function
.... On the other hand, the comparison === undefined might be faster than the string comparison. My tests seem to indicate that you're right, though: x === undefined needed ~1.5x the time of typeof x === 'undefined'
– Christoph
Jan 4 '09 at 21:26
...
Date format Mapping to JSON Jackson
...ntly store the variable in a MongoDB DB collection as Date (not as Long or String). Is this even possible? Thank you
– RedEagle
Aug 4 '16 at 22:36
...
How to get current date & time in MySQL?
...
You can use NOW():
INSERT INTO servers (server_name, online_status, exchange, disk_space, network_shares, c_time)
VALUES('m1', 'ONLINE', 'exchange', 'disk_space', 'network_shares', NOW())
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...
How to prevent browser page caching in Rails
...
Finally figured this out - http://blog.serendeputy.com/posts/how-to-prevent-browsers-from-caching-a-page-in-rails/ in application_controller.rb
After Rails 5:
class ApplicationController < ActionController::Base
before_a...
The role of #ifdef and #ifndef
...o do something like that with the old #ifdef/#ifndef pair.
#if defined(ORA_PROC) || defined(__GNUC) && __GNUC_VERSION > 300
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What's the recommended way to connect to MySQL from Go?
... on go-wiki.
Import when using MyMySQL :
import (
"database/sql"
_ "github.com/ziutek/mymysql/godrv"
)
Import when using Go-MySQL-Driver :
import (
"database/sql"
_ "github.com/go-sql-driver/mysql"
)
Connecting and closing using MyMySQL :
con, err := sql.Open("mymysql", datab...
Running script upon login mac [closed]
...list version="1.0">
<dict>
<key>Label</key>
<string>com.user.loginscript</string>
<key>ProgramArguments</key>
<array><string>/path/to/executable/script.sh</string></array>
<key>RunAtLoad</key>
<true...
How to format numbers by prepending 0 to single-digit numbers?
... myNumber - dec;
var formattedNumber = ("0" + myNumber).slice(-2) + dec.toString().substr(1);
console.log(formattedNumber);
Lastly, if you're having to deal with the possibility of negative numbers, it's best to store the sign, apply the formatting to the absolute value of the number, and r...
Filtering collections in C#
...
How does this work for filtering by strings. Like finding all items in a list of strings that start with "ch"
– joncodo
Oct 27 '11 at 14:38
2...