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Passing argument to alias in bash [duplicate]
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An alias will expand to the string it represents. Anything after the alias will appear after its expansion without needing to be or able to be passed as explicit arguments (e.g. $1).
$ alias foo='/path/to/bar'
$ foo some args
will get expanded to
$ ...
What's wrong with nullable columns in composite primary keys?
...s version the "ext" part of the tuple is NOT NULL but defaults to an empty string -- which is semantically (and practically) different from a NULL. A NULL is an unknown, whereas an empty string is a deliberate record of "something not being present". In other words, "empty" and "null" are different ...
Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
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7. Consider the excellent http://www.fail2ban.org
8. Extra
SSH tunnel to access a MySQL (bind = 127.0.0.1) server
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Difference between HashMap, LinkedHashMap and TreeMap
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private TreeMap<String ,Integer> mySection2 = new TreeMap<>(); mySection2.put("abc1", 2); mySection2.put("abc2",5); mySection2.put("abc3",3); ...
When should you use 'friend' in C++?
... access the private parts of class Child.
friend class Mother;
public:
string name( void );
protected:
void setName( string newName );
};
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How are software license keys generated?
...t a matter of making up an algorithm for which CD keys (which could be any string) are easy to generate and easy to verify, but the ratio of valid-CD-keys to invalid-CD-keys is so small that randomly guessing CD keys is unlikely to get you a valid one.
INCORRECT WAY TO DO IT:
Starcraft and Half-li...
No submodule mapping found in .gitmodule for a path that's not a submodule
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in the file .gitmodules, I replaced string
"path = thirdsrc\boost"
with
"path = thirdsrc/boost",
and it solved! - -
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Use of alloc init instead of new
...selected ones are:
new doesn't support custom initializers (like initWithString)
alloc-init is more explicit than new
General opinion seems to be that you should use whatever you're comfortable with.
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Vertical line using XML drawable
...u can use a negative margin in your layout xml to get rid of the undesired extra space.
Such as:
<ImageView
android:layout_width="35dp"
android:layout_height="35dp"
android:layout_marginLeft="-15dp"
android:layout_marginRight="-15dp"
android:src="@drawable/dashed_vertical_lin...
Using union and order by clause in mysql
...organize.
But this way has the advantage of being fast, not introducing extra variables, and making it easy to separate out each query including the sort. The ability to add a limit is simply an extra bonus.
And of course feel free to turn the union all into a union and add a sort for the whole...