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techniques for obscuring sensitive strings in C++
... 0x7C, 0x43, 0x0B, 0x27, 0x00, 0x91, 0x5F, 0x14, 0x39, 0xED, 0x74, 0x7D, 0x4B, 0x22, 0x04, 0x48, 0x49, 0xF1, 0x88, 0xBE, 0x29, 0x1F, 0x27 };
myKey[30] -= 0x18;
myKey[39] -= 0x8E;
myKey[3] += 0x16;
myKey[1] += 0x45;
myKey[0] ^= 0xA2;
myKey[24] += 0x8C;
myKey[44] ^= 0xDB;
myKey[15] ^= 0xC5;
myKey[7] ...
Insert a commit before the root commit in Git?
...":
git rebase --root --onto $(git commit-tree -m 'Initial commit (empty)' 4b825dc642cb6eb9a060e54bf8d69288fbee4904)
Send string to stdin
...:
To achieve binary input, say
xxd -r -p <<BINARY | iconv -f UCS-4BE -t UTF-8 | /my/bash/script
0000 79c1 0000 306f 0000 3061 0000 3093 0000 3077 0000 3093 0000 304b 0000 3093 0000 3077 0000 3093 0000 306a 0000 8a71 0000 306b 0000 30ca 0000 30f3 0000 30bb
0000 30f3 0000 30b9 0000 3092 0000...
SQL, Postgres OIDs, What are they and why are they useful?
... to system tables.
Apparently the OID sequence "does" wrap if it exceeds 4B 6. So in essence it's a global counter that can wrap. If it does wrap, some slowdown may start occurring when it's used and "searched" for unique values, etc.
See also https://wiki.postgresql.org/wiki/FAQ#What_is_an_OID...
How to use > in an xargs command?
...bc6 052eac57 b2c3c9ca
$ sha512sum install.sh | grep f517006d9897747bed8a4694b1acba1b
40f53af6 9e20dae5 713ba06c f517006d 9897747b ed8a4694 b1acba1b 1464beb4
60055629 3f2356f3 3e9c4e3c 76e3f3af a9db4b32 bd33322b 975696fc e6b23cfb
$ bash install.sh
If you need to move it to a server, that does not h...
Change color of PNG image via CSS?
...t, here is a TS conversion of this code gist.github.com/dwjohnston/7e60bf5d4b6c071cd869f9f346241c08
– dwjohnston
Oct 15 '19 at 23:45
|
show ...
How to Customize a Progress Bar In Android
...h="80dp" />
<gradient
android:centerColor="#80b7b4b2"
android:centerY="0.5"
android:endColor="#f4eef0"
android:startColor="#00938c87"
android:type="sweep"
android:useLevel="false" />
</shape>
</rot...
Symbolicating iPhone App Crash Reports
...8346cab92b01320043dc3> /var/mobile/Applications/9FB5D11F-42C0-42CA-A336-4B99FF97708F/example.app/example
0x2febf000 - 0x2fedffff dyld armv7s <4047d926f58e36b98da92ab7a93a8aaf> /usr/lib/dyld
...
In this extract the crash log belongs to an app binary image named example.app/example with U...
How to track down a “double free or corruption” error
...cktrace: =========
/lib64/libc.so.6[0x3a3127245f]
/lib64/libc.so.6(cfree+0x4b)[0x3a312728bb]
./t1[0x400500]
/lib64/libc.so.6(__libc_start_main+0xf4)[0x3a3121d994]
./t1[0x400429]
======= Memory map: ========
00400000-00401000 r-xp 00000000 68:02 30246184 /home/sand/testbox/t...
Mercurial move changes to a new branch
...
| summary: my new feature: edit file a
|
o changeset: 2:38f5adf2cf4b
| branch: my-feature
| summary: my new feature: add file b
|
o changeset: 1:b5939750b911
| branch: my-feature
| summary: start new branch my-feature
|
o changeset: 0:d554afd54164
summary: ...