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T-SQL Cast versus Convert
...able to measure a performance difference between the two functions.
I was testing performance of variations of the solution to this question and found that the standard deviation and maximum runtimes were larger when using CAST.
*Times in milliseconds, rounded to nearest 1/300th of a second as pe...
Mysql command not found in OS X 10.7
... I haven't used the new Mac version, my mac died :( so I cannot test it anymore
– zazu
Apr 21 '17 at 16:33
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Reactjs: Unexpected token '
...olution : You have to configure your webpack configuration as follows
{
test : /\.jsx?$/,
exclude: /(node_modules|bower_components)/,
loader : 'babel',
query : {
presets:[ 'react', 'es2015' ]
}
}
here .jsx checks both .js and .jsx formats.
you can simply install the babel depend...
Eclipse: have the same file open in two editors?
...ristopherStock on Eclipse-Juno, you can open Window -> New Editor. I've tested on my eclipse juno! :D
– Tuan
Sep 9 '13 at 15:00
2
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Count number of records returned by group by
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This works in Oracle at least - I don't currently have other databases to test it out on, and I'm not so familiar with T-Sql and MySQL syntax.
Also, I'm not entirely sure whether it's more efficient in the parser to do it this way, or whether everyone else's solution of nesting the select statemen...
How to use WHERE IN with Doctrine 2
...eter('ints', array(1, 2),
\Doctrine\DBAL\Connection::PARAM_INT_ARRAY);
Tested for select/delete in symfony 3.4 & doctrine-bundle: 1.8
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SQL: capitalize first letter only [duplicate]
... added an attempted answer to deal with hyphenated cases - not tested as I am at work so its a quick attempt, might need tweaking.
– Scott Sellers
Mar 8 '13 at 10:01
3
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Replace a string in shell script using a variable
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you can use the shell (bash/ksh).
$ var="12345678abc"
$ replace="test"
$ echo ${var//12345678/$replace}
testabc
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Can I access variables from another file?
...cript src="first.js"></script> will first.js see that variable? I tested it in Google Chrome extension and it didn't work
– user25
Jun 10 '18 at 19:04
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converting a base 64 string to an image and saving it
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In my case it works only with two line of code. Test the below C# code:
String dirPath = "C:\myfolder\";
String imgName = "my_mage_name.bmp";
byte[] imgByteArray = Convert.FromBase64String("your_base64_string");
File.WriteAllBytes(dirPath + imgName, imgByteArray);
That...