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Replace duplicate spaces with a single space in T-SQL
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This would work:
declare @test varchar(100)
set @test = 'this is a test'
while charindex(' ',@test ) > 0
begin
set @test = replace(@test, ' ', ' ')
end
select @test
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What is the fastest integer division supporting division by zero no matter what the result is?
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The compiler basically recognizes that it can use a condition flag of the test in the addition.
As per request the assembly:
.globl f
.type f, @function
f:
pushl %ebp
xorl %eax, %eax
movl %esp, %ebp
movl 12(%ebp), %edx
testl %edx, %edx
sete %al
ad...
how to compare two elements in jquery [duplicate]
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Have you tested this? I'm pretty sure it won't return true because of the differences in the .selector property.
– Will Morgan
Mar 9 '10 at 13:35
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Java Annotations
...Anders gives a good summary, and here's an example of a JUnit annotation
@Test(expected=IOException.class)
public void flatfileMissing() throws IOException {
readFlatFile("testfiles"+separator+"flatfile_doesnotexist.dat");
}
Here the @Test annotation is telling JUnit that the flatfileMissing ...
How to make a valid Windows filename from an arbitrary string?
...n are invalid). Be careful when naming files with ".", for example:
echo "test" > .test.
Will generate a file named ".test"
Lastly, if you really want to do things correctly, there are some special file names you need to look out for. On Windows you can't create files named:
CON, PRN, AUX, ...
How to get the path of a running JAR file?
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Best solution for me:
String path = Test.class.getProtectionDomain().getCodeSource().getLocation().getPath();
String decodedPath = URLDecoder.decode(path, "UTF-8");
This should solve the problem with spaces and special characters.
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sys.argv[1] meaning in script
...hile running a script via command line
python create_thumbnail.py test1.jpg test2.jpg
here,
script name - create_thumbnail.py,
argument 1 - test1.jpg,
argument 2 - test2.jpg
With in the create_thumbnail.py script i use
sys.argv[1:]
which give me the list of arguments i passed in co...
A worthy developer-friendly alternative to PayPal [closed]
... -d "card[cvc]=123"
Excellent developer tools and a sandbox
You can test your payment form integration with test API keys before going live. More info: https://stripe.com/docs/testing
Good example API implementations, preferably in in Python or Ruby
Stripe has official libraries in Pyth...
Rename a dictionary key
...or python 3.5, I think dict.pop is workable for an OrderedDict based on my test.
– Daniel
Dec 5 '17 at 13:30
6
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How do I design a class in Python?
...a or because of some update/mutation which is performed.
Don't forget to test each class in isolation using unittest.
Also, there's no law that says classes must be mutable. In your case, for example, you have almost no mutable data. What you have is derived data, created by transformation func...