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docker mounting volumes on host
...
"/var/cache/nginx": "/var/lib/docker/vfs/dir/62499e6b31cb3f7f59bf00d8a16b48d2...",
"/var/log/nginx": "/var/lib/docker/vfs/dir/71896ce364ef919592f4e99c6e22ce87..."
},
"VolumesRW": {
"/var/www": false,
"/var/cache/nginx": true,
"/var/log/nginx": true
...
How does this giant regex work?
...yB2o244nyKQSB64Q2/qlm1ov9PD4yO7yuxmbZMqjU08SucezfplwQmPhvNpH4lgn06PoS+8WeQ70diFHiGW4ECPQjeeh1PmRV3OKDLxOWccQD8r2ykMNnYcB2uxPNRA3iNo9kel7vvj0zNgwgwJlIBwAKYIXUTB22DkTcuctoHnlq3tPjCIG3a2gfUmbOLG42DQBr6KO++dKFoE4aDFtr3pbB6z+HbmtmfiK5s6E/7W0ZOjeQ8an107/txt252O3dneQMzwRxRkCaqwfde8CDuVIQ+fYgecTwZP0xz9GmoC4...
How to avoid reinstalling packages when building Docker image for Python projects?
...9
Step 4 : ADD . /srv
---> 9cc7508034d6
Removing intermediate container 0d7cf71eb05e
Step 5 : CMD python /srv/run.py
---> Running in f25c21135010
---> 4ffab7bc66c7
Removing intermediate container f25c21135010
Successfully built 4ffab7bc66c7
As you can see above, this time docker uses cache...
How to strip HTML tags from a string in SQL Server?
...lowing line in the first block: set @HTMLText = replace(@htmlText, '
',CHAR(13) + CHAR(10))
– Marcello Miorelli
Aug 24 at 11:12
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What do 'statically linked' and 'dynamically linked' mean?
...hared libs), for GNU/Linux 2.6.26, BuildID[sha1]=0xf715572611a8b04f686809d90d1c0d75c6028f0f, not stripped"
Instead let us statically link the program this time:
gcc simpleprog.c -static -o simpleprog
Running file on this statically linked binary will show:
file simpleprog
"simpleprog: ELF 64...
Extracting bits with a single multiplication
...EFGHIJKLMNOP
The math we were going to do was
ABCDEFGHIJKLMNOP
a000e0b000d00c00
0b000d00c0000000
000d00c000000000
00c0000000000000 +
----------------
abcded(b+c)0c0d00c00
Until now, we thought anything below abcde (positions ABCDE) would not matter, but in fact, as @Ternary pointed out, if b=1,...
Where do you store your salt strings?
...A-256 hash of "password" is 5e88 4898 da28 0471 51d0 e56f 8dc6 2927 7360 3d0d 6aab bdd6 2a11 ef72 1d15 42d8.
After a salt is added, such as "badpassword" the new string to be hashed is "passwordbadpassword" which, due to the avalanche effect, dramatically changes the output, to 457b f8b5 37f1 802e f...
Multiple glibc libraries on a single host
...ibc with:
diff --git a/nptl/thrd_create.c b/nptl/thrd_create.c
index 113ba0d93e..b00f088abb 100644
--- a/nptl/thrd_create.c
+++ b/nptl/thrd_create.c
@@ -16,11 +16,14 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <stdio.h>
+
...
Using git repository as a database backend
...lob.
$ cat changed_file | git hash-object -t blob -w --stdin
da39a3ee5e6b4b0d3255bfef95601890afd80709
# Add the changed file (using the object hash) to the user-specific index
# N.B. When adding new files, --add is required
$ GIT_INDEX_FILE=user_index_file git update-index --cacheinfo 100644 <ch...
How can I link to a specific glibc version?
...ibc with:
diff --git a/nptl/thrd_create.c b/nptl/thrd_create.c
index 113ba0d93e..b00f088abb 100644
--- a/nptl/thrd_create.c
+++ b/nptl/thrd_create.c
@@ -16,11 +16,14 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <stdio.h>
+
...