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MySQL: Insert record if not exists in table
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I doesn't test in Oracle database. It is working fine at MySQL and tested.
– Mahbub Tito
Oct 16 '16 at 4:15
9
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How can I check if an ip is in a network in Python?
...x x86. I haven't really given any thought to endianess issues, but I have tested it against the "ipaddr" module using over 200K IP addresses tested against 8 different network strings, and the results of ipaddr are the same as this code.
def addressInNetwork(ip, net):
import socket,struct
ip...
Prevent automatic browser scroll on refresh
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Tested on Chrome 36, Firefox 30 and IE 11. Works very well!
– Fizzix
Aug 7 '14 at 1:46
24
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How to dynamically change a web page's title?
...ect! Google will index the title that was changed by JavaScript. I haven't tested on other search bots.Don't always assume a bot doesn't execute JavaScript. I created a new answer below, and then realized that simply showing and hiding tabs without changing the URL makes this more complex.
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Length of string in bash
...deplacement and other that could not be as simple...
Have a look at diffU8test.sh or diffU8test.sh.txt for more limitations.
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Convert PDF to image with high resolution
... \
-verbose \
-density 150 \
-trim \
test.pdf \
-quality 100 \
-flatten \
-sharpen 0x1.0 \
24-18.jpg
It results in the left image. Compare this to the result of my original command (the image on the right):
(To really see and a...
Android App Not Install. An existing package by the same name with a conflicting signature is alread
...have an application in LIVE in playstore, now I kept installed that app in testing device and now For updating newer version of app I'm updating "versionno" and "versionname" in app build.gradle file. Now I have made an release build with signed key, now while im trying to install that build in it ...
MySQL, Check if a column exists in a table with SQL
...questions/7384711/… for an example of how to wrap a procedure around the test for the column and the conditional DML statement.
– Christopher Schultz
Jul 23 '14 at 20:14
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How to create a WPF UserControl with NAMED content
... xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:test="clr-namespace:user_Control_Name"
xmlns:helper="clr-namespace:UI.Helpers" x:Name="mainWindow"
Title="MainWindow" Height="350" Width="525">
<Grid>
<test:TestUserCont...
How to split csv whose columns may contain ,
...(?=(?:[^\"]*\"[^\"]*\")*(?![^\"]*\"))");
String[] Fields = CSVParser.Split(Test);
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