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Pair/tuple data type in Go
... structs and fields are fine for quick and dirty solutions like this. For all but the simplest cases though, you'd do better to define a named struct just like you did.
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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
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Guesswork (even educated guesswork) is fun but you really need to go to the standards documents to be sure. For example, ISO C11 states (my emphasis):
If the value of argc is greater than zero, the string pointed to by argv[0] represents the program name; argv[0][0] shall b...
How to convert a private key to an RSA private key?
...nk you! I was getting A client error (MalformedCertificate) occurred when calling the UploadServerCertificate operation: Unable to parse certificate. Please ensure the certificate is in PEM format. and running this on my private key fixed it!
– philfreo
Jun 19 ...
Checking oracle sid and database name
...s, you can also use ORA_DATABASE_NAME.
It might be worth noting that not all of the methods give you the same output:
SQL> select sys_context('userenv','db_name') from dual;
SYS_CONTEXT('USERENV','DB_NAME')
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orcl
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Persistent invalid graphics state error when using ggplot2
...cs and it didn't get reset. This worked for me and it's simpler than reinstalling ggplot2.
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How should I copy Strings in Java?
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@GriffeyDog: I am reading the question less literally. What I am saying is that it is safe to give out references to a string object without fear that someone might modify the string.
– NPE
May 15 '12 at 20:12
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Best way to store JSON in an HTML attribute?
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The HTML does not have to validate.
Why not? Validation is really easy QA that catches lots of mistakes. Use an HTML 5 data-* attribute.
The JSON object could be any size (i.e. huge).
I've not seen any documentation on browser limits to attribute sizes.
If you do run into them, ...
Purpose of asterisk before a CSS property
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All browsers but IE ignore the rules. It's known as the star hack. I think IE7 will ignore the rules in standards mode.
In this case, the font rule is set and then overridden for IE 6 and sometimes 7.
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NSUserDefaults removeObjectForKey vs. setObject:nil
... *keys = [[[NSUserDefaults standardUserDefaults] dictionaryRepresentation] allKeys] copy];
for(NSString *key in keys) {
NSLog(@"Key Name: %@", key);
}
[keys release];
or simply dump the key/value dictionary of NSUserDefaults standardUserDefaults
NSLog(@"All contents of NSUserDefaults: %...
What is the difference between exit and return? [duplicate]
...hat is difference between return and exit statement in C programming when called from anywhere in a C program?
4 Answers
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