大约有 47,000 项符合查询结果（耗时：0.0582秒） [XML]
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...eve me, I have seen many cases where CBC is not implemented with proper IV selection). So you will see that I have added bold when Rogaway says something like "confidentiality is not achieved when the IV is a nonce", it means that if you choose your IV cryptographically secure (unpredictable), then...
push multiple elements to array
...
This answer and the selected answer produce different, and perhaps unexpected, results. a.push(1) vs. a.push([1])
– oevna
Dec 24 '16 at 1:12
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How to delete history of last 10 commands in shell?
...16 17:55:11 echo "Command 9"
1012 25-04-2016 17:55:14 echo "Command 10"
Select the start and end positions for the items you want to delete. I'm going to delete entries 1006 to 1008.
for h in $(seq 1006 1008); do history -d 1006; done
This will generate history -d commands for 1006, then 1007...
How do you automatically set the focus to a textbox when a web page loads?
...
IMHO, the 'cleanest' way to select the First, visible, enabled text field on the page, is to use jQuery and do something like this:
$(document).ready(function() {
$('input:text[value=""]:visible:enabled:first').focus();
});
Hope that helps...
Than...
What Ruby IDE do you prefer? [closed]
...es.
Incidentally RubyMine can do a lot of the things that Vim can do like select and edit a column of text or split the view into several editing panels with different files in them.
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Does MS SQL Server's “between” include the range boundaries?
....000
3 2010-05-01 00:00:00.000
4 2010-07-31 00:00:00.000
Query:
SELECT
*
FROM
tbl
WHERE
Start BETWEEN '2010-04-01 00:00:00' AND '2010-05-01 00:00:00'
Results:
ID Start
1 2010-04-30 00:00:01.000
2 2010-04-02 00:00:00.000
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what is the difference between 'transform' and 'fit_transform' in sklearn
... into training data and test data:
import numpy as np
from sklearn.model_selection import train_test_split
X_train, X_test, y_train, y_test = train_test_split(X, y)
X_train_vectorized = model.fit_transform(X_train)
X_test_vectorized = model.transform(X_test)
Imagine we are fitting a tokenizer,...
Scala how can I count the number of occurrences in a list
...wer (vs comment); i would love to enthusiastically upvote, if it were (and select it as the best answer if i were the OP);
– doug
Feb 13 '15 at 4:01
1
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How do I increase the cell width of the Jupyter/ipython notebook in my browser?
...d;
* important so that it also works when cell is in edit mode*/
div.cell.selected {
border-left-width: 1px !important;
}
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Does Android keep the .apk files? if so where?
...y
Access your phone using AirDroid from your PC web browser
Go to Apps and select the installed app
Click the "download" button to download the APK version of this app from your phone
You don't need to root your phone, use adb, or write anything.
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