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Tar archiving that takes input from a list of files
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267
Yes:
tar -cvf allfiles.tar -T mylist.txt
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HttpSecurity, WebSecurity and AuthenticationManagerBuilder
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2 Answers
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What's the difference between passing by reference vs. passing by value?
...ce" has since fallen out of favor and is seldom used now.1
Newer languages2 tend to use a different (but similar) pair of techniques to achieve the same effects (see below) which is the primary source of confusion.
A secondary source of confusion is the fact that in "pass by reference", "reference...
How to exclude certain directories/files from git grep search
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edited Sep 24 '18 at 17:20
Jonathon Reinhart
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Alternative to itoa() for converting integer to string C++? [duplicate]
...t;
out << i;
s = out.str();
Taken from http://notfaq.wordpress.com/2006/08/30/c-convert-int-to-string/
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Scatterplot with too many points
... darker that have more point plotted on them.
This is easy to do in ggplot2:
df <- data.frame(x = rnorm(5000),y=rnorm(5000))
ggplot(df,aes(x=x,y=y)) + geom_point(alpha = 0.3)
Another convenient way to deal with this is (and probably more appropriate for the number of points you have) is hex...
Shards and replicas in Elasticsearch
...t will contain your data:
____ ____ ____ ____ ____
| 1 | | 2 | | 3 | | 4 | | 5 |
|____| |____| |____| |____| |____|
Every time you index a document, elasticsearch will decide which primary shard is supposed to hold that document and will index it there. Primary shards ar...
What is a unix command for deleting the first N characters of a line?
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iammichaeliammichael
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What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
...EMOVE)
private Address address;
:
}
Orphan Removal
JPA 2 supports an additional and more aggressive remove cascading mode
which can be specified using the orphanRemoval element of the
@OneToOne and @OneToMany annotations:
@Entity
class Employee {
:
@OneToOne(orphanR...
How do I execute inserts and updates in an Alembic upgrade script?
... application.
"""create teams table
Revision ID: 169ad57156f0
Revises: 29b4c2bfce6d
Create Date: 2014-06-25 09:00:06.784170
"""
revision = '169ad57156f0'
down_revision = '29b4c2bfce6d'
from alembic import op
import sqlalchemy as sa
from sqlalchemy import orm
from sqlalchemy.ext.declarative imp...