大约有 30,000 项符合查询结果（耗时：0.0328秒） [XML]
Single script to run in both Windows batch and Linux Bash?
...MSBuild Task) rather than as independent batch files. Maybe if I have some time in the future I’ll update the answer with the information in these comments…
– binki
Mar 4 '15 at 15:46
...
Why are primes important in cryptography?
... depend on the fact that prime factorization of large numbers takes a long time. Basically you have a "public key" consisting of a product of two large primes used to encrypt a message, and a "secret key" consisting of those two primes used to decrypt the message. You can make the public key public,...
Using AES encryption in C#
...s/library/system.security.cryptography.symmetricalgorithm.aspx
As of the time of this post, the current list includes:
AesManaged
RijndaelManaged
DESCryptoServiceProvider
RC2CryptoServiceProvider
TripleDESCryptoServiceProvider
To use RijndaelManaged with the code above, as an example, you wo...
define() vs. const
...fference between those two ways is that const defines constants at compile time, whereas define defines them at run time. This causes most of const's disadvantages. Some disadvantages of const are:
const cannot be used to conditionally define constants. To define a global constant, it has to be us...
In Python, using argparse, allow only positive integers
...st of integers from 1 to 999 inclusive being written to your console every time you use --help or if an invalid argument is provided. Not a good choice in most circumstances.
– biomiker
Apr 29 '16 at 16:21
...
How can I automatically deploy my app after a git push ( GitHub and node.js)?
... looking at those 20k views!), not the single guy asked the question "some time ago". Time, by itself, is irrelevant: as long as the technology in question is relevant, your answer will be, too. (Thanks for the tip, BTW, checking it out...)
– Sz.
May 11 '14 at ...
Difference between rake db:migrate db:reset and db:schema:load
...file. This is useful for a fresh install of app as it doesn't take as much time as db:migrate
Important note, db:schema:load will delete data on server.
rake db:migrate makes changes to the existing schema. Its like creating versions of schema. db:migrate will look in db/migrate/ for any ruby file...
what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?
...ose keys you cannot manipulate/convert for whatever reason, like a project time constraint).
E.g.:
h = {
:youtube => {
:search => 'daffy', # nested symbol key
'history' => ['goofy', 'mickey'] # nested string key
...
What is a “surrogate pair” in Java?
... characters using the 16-bit char data type. This design made sense at the time, because all Unicode characters had values less than 65,535 (0xFFFF) and could be represented in 16 bits. Later, however, Unicode increased the maximum value to 1,114,111 (0x10FFFF). Because 16-bit values were too small ...
Find objects between two dates MongoDB
...
You've probably stored the timestamps as strings, so I am guessing MongoDB won't realize that they are in fact dates. Thus doing a range query on them would result in an alphabetical range query (e.g. "Jan Mon 01.01.2010" being before "Jan Sun 01.01.10...