大约有 453 项符合查询结果（耗时：0.0171秒） [XML]
Tab Vs Space preferences in Vim
... was a tab. which is a must for sane use.
– u0b34a0f6ae
Oct 15 '09 at 12:03
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How to initialize all members of an array to the same value?
...et is the more elegant way to express it.
– u0b34a0f6ae
Oct 14 '09 at 10:41
49
If the data must b...
Increase distance between text and title on the y-axis
...e margin on top, right, bottom, and left side of the element.
ggplot(mpg, aes(cty, hwy)) + geom_point()+
theme(axis.title.y = element_text(margin = margin(t = 0, r = 20, b = 0, l = 0)))
margin can also be used for other element_text elements (see ?theme), such as axis.text.x, axis.text.y and ...
Create a hexadecimal colour based on a string with JavaScript
...,"#FF029D","#FE8900","#7A4782","#7E2DD2","#85A900","#FF0056","#A42400","#00AE7E","#683D3B","#BDC6FF","#263400","#BDD393","#00B917","#9E008E","#001544","#C28C9F","#FF74A3","#01D0FF","#004754","#E56FFE","#788231","#0E4CA1","#91D0CB","#BE9970","#968AE8","#BB8800","#43002C","#DEFF74","#00FFC6","#FFE502"...
Authenticate with GitHub using a token
...ttings.
Then...
$ password=`openssl rand -hex 32`
$ cat my_key | openssl aes-256-cbc -k "$password" -a > my_key.enc
$ travis encrypt --add password=$password -r my-github-user/my-repo
Then use the $password file to decrypt your deploy key at integration-time, by adding to your yaml file:
be...
Best way to test exceptions with Assert to ensure they will be thrown
...xception should have been thrown");
}
catch (ArgumentNullException ae)
{
Assert.AreEqual( "Parameter cannot be null or empty.", ae.Message );
}
catch (Exception e)
{
Assert.Fail(
string.Format( "Unexpected exception of type {0} caught: {1}",
...
Run a callback only if an attribute has changed in Rails
...anged ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made for myself on the changes to ActiveReco...
How to convert a private key to an RSA private key?
... -in $FF -out $TF
openssl rsa -aes256 -in $FF -out $TF
openssl pkcs8 -topk8 -nocrypt -in $FF -out $TF
openssl pkcs8 -topk8 -v2 aes-256-cbc -v2prf hmacWithSHA256 -in $FF -out $TF
and
op...
What is a good Hash Function?
...eed to worry about how reversible or hackable the algorithm is... SHA-1 or AES is completely unnecessary for this, you'd be better off using a variation of FNV. FNV achieves better dispersion (and thus fewer collisions) than a simple prime mod like you mentioned, and it's more adaptable to varying i...
Converting a Java Keystore into PEM Format
... Data:
Version: 3 (0x2)
Serial Number: 1237334757 (0x49c03ae5)
Signature Algorithm: dsaWithSHA1
Issuer: C=AU, ST=Victoria, L=Melbourne, CN=foo.example.com
Validity
Not Before: Mar 18 00:05:57 2009 GMT
Not After : Jun 16 00:05:57 2009 G...