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How to use OpenSSL to encrypt/decrypt files?
...se this if you need to send
data in the form of text format via email etc.
-salt
To use a salt (randomly generated) when encrypting. You always
want to use a salt while encrypting. This parameter is actually
redundant because a salt is used whether you use this or not
which is...
The maximum value for an int type in Go
....MaxFloat64)
fmt.Printf("max float32= %+v\n", math.MaxFloat32)
// etc you can see more int the `math`package
}
Ouput :
max int64 = 9223372036854775807
max int32 = 2147483647
max int16 = 32767
min int64 = -9223372036854775808
min int32 = -2147483648
max flloat64= 1.7976931348623157e+308
m...
What's the equivalent for eclipse's ALT+UP/DOWN (move line) in Visual Studio?
...t can also be used to move entire methods, change the order of parameters, etc.
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Get records with max value for each group of grouped SQL results
...the value for.
You avoid complicated subqueries that try to find the max() etc, and also the problems of returning multiple rows when there are more than one with the same maximum value (as the other answers would do)
Note: This is a mysql-only solution. All other databases I know will throw an SQL ...
jQuery: keyPress Backspace won't fire?
...is; setTimeout( function(){
/** Code that processes backspace, etc. **/
}, 100 );
} );
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What is the volatile keyword useful for?
...A is creating Singleton instance and just after creation, the CPU corrupts etc, all other threads will not be able to see the value of _instance as not null and they will believe it is still assigned null.
Why does this happen? Because reader threads are not doing any locking and until the writer...
Contributing to project on github, how to “rebase my pull request on top of master”
...
You only show a fetch on the upstream repo. That doesn't actually update any of your local branches. It only updates your knowledge of upstream. You'd need to ensure upstream/master is fully merged into your master, like with a git pull, prio...
How do you implement a class in C? [closed]
...uct Queue Queue;
void push(Queue* q, int element);
void pop(Queue* q);
// etc.
///
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How can I catch a ctrl-c event?
...
<stdlib.h>, etc - it's C, not C++. In C++ you should use <cstdlib>
– Abyx
Sep 19 '10 at 11:59
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How can I sort generic list DESC and ASC?
...pare because subtraction will wrap to positive for very large neg numbers, etc.". If you have b = int.MinValue and a = 1 (say), this will fail. Sometimes a method call is worth it.
– Wai Ha Lee
Dec 12 '15 at 21:56
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