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How do you connect to multiple MySQL databases on a single webpage?
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Warning : mysql_xx functions are deprecated since php 5.5 and removed since php 7.0 (see http://php.net/manual/intro.mysql.php), use mysqli_xx functions or see the answer below from @Troelskn
You can make multiple calls to mysql_connect()...
How to update Python?
... in the 2.7 root folder it will not delete them ;)
– XXN
Jan 24 '19 at 16:12
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Cassandra port usage - how are the ports used?
...or current versions of Cassandra:
7199 - JMX (was 8080 pre Cassandra 0.8.xx)
7000 - Internode communication (not used if TLS enabled)
7001 - TLS Internode communication (used if TLS enabled)
9160 - Thrift client API
9042 - CQL native transport port
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Virtual Memory Usage from Java under Linux, too much memory used
...M's memory footprint. This might reduce the virtual memory footprint:
-XX:ReservedCodeCacheSize=32m Reserved code cache size (in bytes) - maximum
code cache size. [Solaris 64-bit,
amd64, and -server x86: 48m; in
1.5.0_06 and earlier, Solaris 64-bit and and64: 1024m.]
-XX:MaxPermSize=6...
MongoDB/NoSQL: Keeping Document Change History
... version: 3, value: "Something cool" }
]
},
{
author: "xxx",
body: [
{ version: 4, value: "Spam" },
{ version: 5, deleted: true }
]
},
{
author: "jim",
body: [
{ version: 7, value: "Not bad" },
{ version: 8, value: "...
Colored logcat in android studio by colorpid
...ndroidStudio and copy in
Mac: /Users/.../Library/Preferences/AndroidStudioXX.XX/ Windows: C:\Users....AndroidStudioXX.XX\config\
Then go to logcat in settings and choose the file.
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SSL Connection / Connection Reset with IISExpress
... : 0.0.0.0:44300
Certificate Hash : eb380ba6bd10fb4f597cXXXXXXXXXX
Application ID : {214124cd-d05b-4309-XXX-XXXXXXX}
Also look in the IIS express management console (RUN (Ctrl+R) -> inetmgr.exe)
and find if the corresponding certificate exists in the Server Cer...
Backwards migration with Django South
...gration name at the end of the parameters:
./manage.py migrate app-name 00xx-migration-name
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Callback on CSS transition
...a chunk of code that looks a bit like this:
var transitionEndEventName = "XXX"; //figure out, e.g. "webkitTransitionEnd"..
var elemToAnimate = ... //the thing you want to animate..
var done = false;
var transitionEnded = function(){
done = true;
//do your transition finished stuff..
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C# How can I check if a URL exists/is valid?
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I would add that some status codes in the 3xx range will actually cause an error to be thrown e.g. 304 Not Modified in which case you should be handling that in your catch block
– RobV
Aug 25 '11 at 8:43
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