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Are the days of passing const std::string & as a parameter over?
...he said is because of cases like this.
Let's say I have function A which calls function B, which calls function C. And A passes a string through B and into C. A does not know or care about C; all A knows about is B. That is, C is an implementation detail of B.
Let's say that A is defined as follow...
Singleton by Jon Skeet clarification
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
VIM Ctrl-V Conflict with Windows Paste
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Thanks user132014! I find that you have to use h, j, k and l to navigate in visual block mode using Ctrl-Q, though. This is the case for the gVim editor for Windows. The arrows don't seem to work for me in gVim for Windows when navigatin...
Disable browsers vertical and horizontal scrollbars
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In case you need possibility to hide and show scrollbars dynamically you could use
$("body").css("overflow", "hidden");
and
$("body").css("overflow", "auto");
somewhere in your code.
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Is there any difference between “!=” and “” in Oracle Sql?
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No there is no difference at all in functionality.
(The same is true for all other DBMS - most of them support both styles):
Here is the current SQL reference: https://docs.oracle.com/database/121/SQLRF/conditions002.htm#CJAGAABC
The SQL standard only...
Advantage of switch over if-else statement
... the average case) or simply build a jump-table (works without compares at all).
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How to select all records from one table that do not exist in another table?
...e = t1.name
WHERE t2.name IS NULL
Q: What is happening here?
A: Conceptually, we select all rows from table1 and for each row we attempt to find a row in table2 with the same value for the name column. If there is no such row, we just leave the table2 portion of our result empty for that row. The...
TypeScript Objects as Dictionary types as in C#
...ch, the big one being that there's no safe and easy way to iterate through all the members. This code, for instance, shows that map contains two members: (<any>Object.prototype).something = function(){}; class Customer{} var map: { [email: string]: Customer; } = { }; map['foo@gmail.co...
Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
... with x[numpy.ix_([0,2],[1,3])]. This can save you from having to enter in all of those extra brackets.
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What are the Differences Between “php artisan dump-autoload” and “composer dump-autoload”?
...it different:
1) It will in fact use Composer for some stuff
2) It will call Composer with the optimize flag
3) It will 'recompile' loads of files creating the huge bootstrap/compiled.php
4) And also will find all of your Workbench packages and composer dump-autoload them, one by one.
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