java - Checking Database Server/Client User -


i have java application has server , client user.
want know if there's way notify server or client user
updated table.
example client has updated field in database,
in server user, table must updated automatically.(no refresh needed)
thinking of using timer think lag application.
using jetbrains , java swing app.

i suggest consider using "observer" design pattern, can start reading here.


Comments

Post a Comment

Popular posts from this blog

routing - AngularJS State management ->load multiple states in one page -

Image
i developing site in angularjs ui-router. have situation on button click need change , load 3 state page , 3 looks image .please me how can load multiple pages. in 1 page you need configure router config this: $stateprovider .state("state1", { url: "/url1", controller: "firstcontroller", views: { view1: { templateurl: "templates/template1.html" }, view2: { templateurl: "templates/template2.html" }, view3: { templateurl: "templates/template3.html" } } }).state("state2", { url: "/url2", controller: "secondcontroller", views: { view1: { templateurl: "templates/template4.html" }, view2: { templateurl: "templates/template5.html" }, view3: { templateurl: "templates/template6.html" } }).state("state3", { ...
Read more

python - GRASS parser() error -

i'm trying use grass on python 2.7, i'm having problems @ setting script on idle, i'm getting error @ parser() function: here script: import os import sys gisbase = os.environ['gisbase'] = 'c:\program files (x86)\grass gis 7.0.1rc1' gisrc = 'c:\grassdata' gisdbase = 'c:\grassdata' location = 'newlocation' mapset = 'tc' ld_library_path = 'c:\program files (x86)\grass gis 7.0.1rc1\lib' path = 'c:\program files (x86)\grass gis 7.0.1rc1\etc';'c:\program files (x86)\grass gis 7.0.1rc1\etc\python';'c:\program files (x86)\grass gis 7.0.1rc1\lib';'c:\program files (x86)\grass gis 7.0.1rc1\bin';'c:\python27';'c:\program files (x86)\grass gis 7.0.1rc1\python27';'c:\program files (x86)\grass gis 7.0.1rc1\msys' pythonlib = 'c:\python27' pythonpath = 'c:\program files (x86)\grass gis 7.0.1rc1\etc\python' sys.path.append(os.path.join(os.environ['...
Read more

post - imageshack API cURL -

i credentials correct. when send image through form this:(action="http://api.imageshack.com/v2/images/"). working fine when tried send $ch = curl_init($url); failed. code: enter code here <form action="" method="post" enctype="multipart/form-data"> select image upload: <input type="file" name="file" id="file" multiple> <input type="text" name="auth_token" id="auth_token" value="xxxxxxxxxxxxxxxx"> <input type="text" name="api_key" id="api_key" value="xxxxxxxxxxxxxxx"> <input type="submit" value="upload image" > </form> $url = ' http://api.imageshack.com/v2/images/ '; $temp = $_files["file"]['tmp_name']; echo $temp."<br>" ; $ch = curl_init($url); curl_setopt($ch, curlopt_post, true); curl...
Read more