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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...in 64-bit code, this is exactly what happens: stackoverflow.com/questions/46087730/…. It zeros r8-r11, and works exactly like when run in a 32-bit process. In that Q&A I have an example showing it working, or failing with truncating a pointer. And I also dug into the kernel source to show w...
Do you (really) write exception safe code? [closed]
...ding Herb Sutter's Guru Of The Week series, in particular installments 59, 60 and 61.
To summarize, there are three levels of exception safety you can provide:
Basic: When your code throws an exception, your code does not leak resources, and objects remain destructible.
Strong: When your code thr...
Multiple glibc libraries on a single host
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I also needed -I and -L: stackoverflow.com/a/52454603/895245
– Ciro Santilli 郝海东冠状病六四事件法轮功
Sep 22 '18 at 8:35
add a comment
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Simple way to encode a string according to a password?
...'big')
if time_encrypted + ttl < current_time or current_time + 60 < time_encrypted:
# too old or created well before our current time + 1 h to account for clock skew
raise InvalidToken
cipher = Cipher(algorithm, modes.GCM(iv, tag), backend=backend)
decr...
Generating v5 UUID. What is name and namespace?
...8 bits
Type 6: unofficial idea for sequential UUIDs
An SHA1 hash outputs 160 bits (20 bytes); the result of the hash is converted into a UUID.
With the 20-byte hash from SHA1:
SHA1 Digest: 74738ff5 5367 e958 9aee 98fffdcd1876 94028007
UUID (v5): 74738ff5-5367-5958-9aee-98fffdcd1876
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What is a NullPointerException, and how do I fix it?
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60
Is it possible to capture NPE thrown by a webapp from the web browser?like will it show in the view page source from the web browser..
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Which timestamp type should I choose in a PostgreSQL database?
...n_utc + session_duration)" or "our morning breakfast meeting can only last 60 minutes (recurring_start_time + meeting_length)".
Last bits of confusion: DATE, TIME, TIME WITHOUT TIME ZONE and TIME WITH TIME ZONE are all relative data types. For example: '2011-05-28'::DATE represents a relative date ...
SQL Server query to find all permissions/access for all users in a database
...t server and this script took 5:45 to run. That's 5 hours and 45 mins for ~60 databases and ~100 user accounts.
– Chris76786777
Jun 19 '13 at 15:28
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
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kanakakanaka
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What would cause an algorithm to have O(log n) complexity?
... = 50, which is greater than the runtime of 32. But if N=64, 10*log(64) = 60, which is less than the runtime of 64. You can pick c=100, or 1000, or a gazillion, and you'll still be able to find some N that violates that requirement. In other words, there is no N_0.
If we do a binary search, thou...