大约有 23,000 项符合查询结果（耗时：0.0324秒） [XML]
Convert a list of data frames into one data frame
... Nice solution. .id = "column_label" adds the unique row names based on the list element names.
– Sibo Jiang
Apr 29 '18 at 20:49
13
...
How to compile for Windows on Linux with gcc/g++?
...ere are variants that build for x64, such as "x86_64-w64-mingw32-g++". The base "mingw32" may or may not be capable, but it's easy enough to install/use the variants by name. ar2015: Does it not support C++11 at all or are you talking about a problem you had with it? I'm working on getting a projec...
How do I decode a base64 encoded string?
I am trying to "decode" this following Base64 string:
2 Answers
2
...
Compression/Decompression string with C#
...yte[], while Unzip returns a string. If you want a string from Zip you can Base64 encode it (for example by using Convert.ToBase64String(r1)) (the result of Zip is VERY binary! It isn't something you can print to the screen or write directly in an XML)
The version suggested is for .NET 2.0, for .NE...
What integer hash function are good that accepts an integer hash key?
...o use the following, even thought it might not be the fastest. This one is based on splitmix64, which seems to be based on the blog article Better Bit Mixing (mix 13).
uint64_t hash(uint64_t x) {
x = (x ^ (x >> 30)) * UINT64_C(0xbf58476d1ce4e5b9);
x = (x ^ (x >> 27)) * UINT64_C...
Encrypt Password in Configuration Files? [closed]
...
A simple way of doing this is to use Password Based Encryption in Java. This allows you to encrypt and decrypt a text by using a password.
This basically means initializing a javax.crypto.Cipher with algorithm "AES/CBC/PKCS5Padding" and getting a key from javax.crypto.S...
Use latest version of Internet Explorer in the webbrowser control
....
11000 (0x2AF8) - Internet Explorer 11. Webpages containing
standards-based !DOCTYPE directives are displayed in IE11 edge mode.
Default value for IE11.
10001 (0x2711)- Internet Explorer 10. Webpages are displayed in IE10 Standards
mode, regardless of the !DOCTYPE directive.
10000 (0x27...
How long is the SHA256 hash?
...t I don't know how long to make my VARCHAR when setting up the MySQL database. What is a good length?
5 Answers
...
builtins.TypeError: must be str, not bytes
...
Convert binary file to base64 & vice versa. Prove in python 3.5.2
import base64
read_file = open('/tmp/newgalax.png', 'rb')
data = read_file.read()
b64 = base64.b64encode(data)
print (b64)
# Save file
decode_b64 = base64.b64decode(b64)
out...
How to encrypt String in Java
...and you get the key. That simple!
Pointed out by Moussa
I am using Sun's Base64Encoder/Decoder which is to be found in Sun's JRE, to avoid yet another JAR in lib. That's dangerous from point of using OpenJDK or some other's JRE. Besides that, is there another reason I should consider using Apache ...