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Real world use cases of bitwise operators [closed]
...s. ACLs are a good example; if you have let's say 4 discrete permissions (read, write, execute, change policy), it's better to store this in 1 byte rather than waste 4. These can be mapped to enumeration types in many languages for added convenience.
Communication over ports/sockets
Always involve...
Why do Java programmers like to name a variable “clazz”? [closed]
...es clarity. clazz just says class. "International" English speakers (those reading both British and American English) are used to transposing 's' and 'z'.
Since Java has had disclosed source and a suitable culture right from the start, worthwhile Java code and tutorials pick up the same conventions...
How to enable assembly bind failure logging (Fusion) in .NET
...ists.
You need to restart the program that you're running to force it to read those registry settings.
By the way, don't forget to turn off fusion logging when not needed.
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MISCONF Redis is configured to save RDB snapshots
... Make sure that when you execute INFO persistence, bgsave_in_progress is already 0 and rdb_last_bgsave_status is ok. After that, you can now start backing up the generated rdb file somewhere safe.
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How to assign a Git SHA1's to a file without Git?
...re: github.com/chris3torek/scripts/blob/master/githash.py (the tree hasher reads a directory tree).
– torek
Nov 14 '16 at 9:37
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Get the current URL with JavaScript?
... but it is bugged for Firefox.
document.URL;
See URL of type DOMString, readonly.
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What is the difference between id and class in CSS, and when should I use them? [duplicate]
...5.
In CSS there is no "font-color", the style is color so the above should read:
Example
<div id="header_id" class="header_class">Text</div>
#header_id {color:#fff}
.header_class {color:#000}
The text would be white.
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FileNotFoundException while getting the InputStream object from HttpURLConnection
...atus starts with 4nn or 5nn, you'd like to use getErrorStream() instead to read the response body which may contain the error details.
InputStream error = con.getErrorStream();
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Can iterators be reset in Python?
Can I reset an iterator / generator in Python? I am using DictReader and would like to reset it to the beginning of the file.
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How to cat a file containing code?
...h:
Here Documents
This type of redirection instructs the shell to read input from the
current source until a line containing only delimiter (with no
trailing blanks) is seen. All of the lines read up to that point are
then used as the standard input for a command.
The format of ...