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How to slice an array in Bash
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@DennisWilliamson I found that I needed to convert $@ to a proper array before doing this or arguments that contained spaces would get split: ARGS=( "$@" ); ARGS_AFTER_FIRST=( "${ARGS[@]:1}" )
– Heath Borders
Jan 27 '16 at 21:15
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Enterprise app deployment doesn't work on iOS 7.1
...karep/easycert/issues and if possible posting all the commands you used to convert all the files as needed.
– Ralph Caraveo
Apr 11 '14 at 16:31
1
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CSS: bolding some text without changing its container's size
...d, more importantly, this does not work when fonts are scaled, even if you convert the 1px to relative values like 0.025ex or 0.0125ex. See my answer for a live demonstration.
– Adam Katz
Nov 3 '17 at 17:05
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SQLAlchemy: Creating vs. Reusing a Session
...ith an open SQLAlchemy session.
"""
engine = create_engine(db_url, convert_unicode=True)
connection = engine.connect()
db_session = scoped_session(sessionmaker(autocommit=False, autoflush=True, bind=engine))
yield db_session
db_session.close()
connection.close()
Usage:
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PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
...SELF into SCRIPT_FILENAME + PATH_INFO
Server performs alias resolution and converts the entire url path to a system file path to get SCRIPT_FILENAME
Resulting script file may include others, where __FILE__ refers to the path to the current file
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What is the lifetime of a static variable in a C++ function?
...epend on the specific program run, the order of construction must be taken into account.
Example
struct emitter {
string str;
emitter(const string& s) : str(s) { cout << "Created " << str << endl; }
~emitter() { cout << "Destroyed " << str << endl;...
Design patterns or best practices for shell scripts [closed]
...ON_MSG="missing config_file parameter"
exit 1
fi
Another important point is that a program should always return zero if completes successfully, non-zero if something went wrong.
Function calls
You can call functions in bash, just remember to define them before the call. Functions are like sc...
What is the difference between inversedBy and mappedBy?
...entity in one place is an anti-argument. Since when grouping all your code into one place is a good thing ? It is a pain to write, a pain to maintain, and reduce the organization in your project. best practice ? Duh.
– JesusTheHun
Nov 29 '16 at 15:26
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Why not be dependently typed?
...kell, although DataKinds gets very close).
Edit: Apparently, from this point forward, I was wrong (see @pigworker's comment). I'll preserve the rest of this as a record of the myths I've been fed. :P
The issue with moving to full dependent typing, from what I've heard, is that it would break ...
Objective-C ARC: strong vs retain and weak vs assign
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retain is the same as strong.
apple says if you write retain it will auto converted/work like strong only.
methods like "alloc" include an implicit "retain"
Example:
@property (nonatomic, retain) NSString *name;
@synthesize name;
4.assign
assign is the default and simply performs a variabl...