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What is the difference between encrypting and signing in asymmetric encryption?
...
@Honey no it's not. Generating the key pair is free. The cost is involved in making the others believe the signature is really yours. To do that, you have your public key itself, which you have earlier generated for free, signed by an authority which might or might not ch...
How do I create and access the global variables in Groovy?
...his is global and will be even available inside the
def func()
{
log.info "My value is 200. Here you see " + iamglobal
iamglobal=400
//log.info "if you uncomment me you will get error. Since iamnotglobal cant be printed here " + iamnotglobal
}
def func2()
{
log.info "My value was ch...
How to find out which fonts are referenced and which are embedded in a PDF document
... document and which are only referenced. Is there an easy (and cheap as in free) way to do that?
6 Answers
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
...
Actually, it seems to be fairly different:
, = ,
list = a,b,c
$(info $(subst $(,),-,$(list))_EOL)
$(info $(subst ${,},-,$(list))_EOL)
outputs
a-b-c_EOL
md/init-profile.md:4: *** unterminated variable reference. Stop.
But so far I only found this difference when the variable name into...
Advantages of Antlr (versus say, lex/yacc/bison) [closed]
...tor and resolve conflicts such as left-recursion. Once you have a conflict free grammar, you can let ANTLRworks parse an input file of your language and build a parse tree and AST for you and show the tree graphically in the IDE. This is a very big advantage because it can save you many hours of wor...
How to convert a std::string to const char* or char*?
...[str.size()] = '\0'; // don't forget the terminating 0
// don't forget to free the string after finished using it
delete[] writable;
Edit: Notice that the above is not exception safe. If anything between the new call and the delete call throws, you will leak memory, as nothing will call delete fo...
Hibernate show real SQL [duplicate]
...
log4j.properties
log4j.logger.org.hibernate=INFO, hb
log4j.logger.org.hibernate.SQL=DEBUG
log4j.logger.org.hibernate.type=TRACE
log4j.logger.org.hibernate.hql.ast.AST=info
log4j.logger.org.hibernate.tool.hbm2ddl=warn
log4j.logger.org.hibernate.hql=debug
log4j.logger.or...
When to use thread pool in C#? [closed]
...
I highly recommend reading the this free e-book:
Threading in C# by Joseph Albahari
At least read the "Getting Started" section. The e-book provides a great introduction and includes a wealth of advanced threading information as well.
Knowing whether or not t...
Regex Pattern to Match, Excluding when… / Except between
...y only a series of four very simple expressions.
For flavors that support free-spacing, this reads particularly well.
(?mx)
### s1: Match line that ends with a period ###
^.*\.$
| ### OR s2: Match anything between parentheses ###
\([^\)]*\)
| ### OR s3: Match any if(...//endif b...
iPhone system font
...as changed to San Fransisco. See http://developer.apple.com/fonts for more info.
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