大约有 40,000 项符合查询结果（耗时：0.0559秒） [XML]
Simple way to encode a string according to a password?
...ement. Something like:
import base64
def encode(key, string):
encoded_chars = []
for i in xrange(len(string)):
key_c = key[i % len(key)]
encoded_c = chr(ord(string[i]) + ord(key_c) % 256)
encoded_chars.append(encoded_c)
encoded_string = "".join(encoded_chars)
...
Iterate over a list of files with spaces
...arr[@]}
do
newname=`echo "${arr[$i]}" | sed 's/stupid/smarter/; s/ */_/g'`;
mv "${arr[$i]}" "$newname"
done
${!arr[@]} expands to 0 1 2 so "${arr[$i]}" is the ith element of the array. The quotes around the variables are important to preserve the spaces.
The result is three renamed fi...
Scala downwards or decreasing for loop?
... answered May 13 '14 at 21:54
LP_LP_
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...
Search for all files in project containing the text 'querystring' in Eclipse
... keyboard accelerator configuration.
More details: http://www.ehow.com/how_4742705_file-eclipse.html and http://www.avajava.com/tutorials/lessons/how-do-i-do-a-find-and-replace-in-multiple-files-in-eclipse.html
(source: avajava.com)
...
Add list to set?
...rticle. Pythons hashing algorithms are explained on effbot.org and pythons __hash__ function in the python reference.
Some facts:
Set elements as well as dictionary keys have to be hashable
Some unhashable datatypes:
list: use tuple instead
set: use frozenset instead
dict: has no official count...
Is it possible to GROUP BY multiple columns using MySQL?
...y the rows are sorted.
In your example, you would write
GROUP BY fV.tier_id, f.form_template_id
Meanwhile, the code
GROUP BY f.form_template_id, fV.tier_id
would give similar results, but sorted differently.
share
...
Postgres dump of only parts of tables for a dev snapshot
...move data from the public schema to user specific schema in a multi-tenant app. Thanks !
– Jeremy F.
Sep 17 '15 at 15:22
...
Why does Typescript use the keyword “export” to make classes and interfaces public?
...
It is necessary if you are using modules. If you app is toward the larger side, modules are typically a better choice than creating big bundles / loading all your files up front.
– Fenton
May 20 '19 at 8:16
...
MySQL query to get column names?
...
The best way is to use the INFORMATION_SCHEMA metadata virtual database. Specifically the INFORMATION_SCHEMA.COLUMNS table...
SELECT `COLUMN_NAME`
FROM `INFORMATION_SCHEMA`.`COLUMNS`
WHERE `TABLE_SCHEMA`='yourdatabasename'
AND `TABLE_NAME`='yourtablename...
How can I rollback a github repository to a specific commit?
... the one ahead of the commit I wanted to rollback. Cloned it locally. Then applied your recommendations on that copy, this way, I did not compromised my main branch...
– Gauthier Boaglio
Jun 1 '15 at 22:52
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