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Why are preprocessor macros evil and what are the alternatives?
...ves in some header file that someone else wrote? [and even more fun if you included that macro before the include - you'd be drowning in strange errors that makes absolutely no sense when you look at the code itself.
Replacement: Well there isn't so much as a replacement as a "rule" - only use up...
For loop for HTMLCollection elements
...sName("events");
for (let item of list) {
console.log(item.id);
}
To include older browsers (including things like IE), this will work everywhere:
var list= document.getElementsByClassName("events");
for (var i = 0; i < list.length; i++) {
console.log(list[i].id); //second console outp...
Data structure for loaded dice?
...lso known as a discrete distribution). The choice depends on many things, including the number of integers to choose from, the shape of the distribution, and whether the distribution will change over time.
One of the simplest ways to choose an integer with a custom weight function f(x) is the rejec...
Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
... CLI implementations may choose not to support Varargs library as it's not included in the CLI Kernel profile:
4.1.6 Vararg
The vararg feature set supports variable-length argument lists and runtime-typed pointers.
If omitted: Any attempt to reference a method with the vararg calling convention or ...
Difference between a user and a schema in Oracle?
...therein
as a schema for all intents and purposes.
SCOTT is a schema that includes the EMP, DEPT and BONUS tables with various grants, and
other stuff.
SYS is a schema that includes tons of tables, views, grants, etc etc etc.
SYSTEM is a schema.....
Technically -- A schema is the set of metadat...
Error: Jump to case label
...ill forbidden in C++.
Interestingly, with some adjustments (an #ifdef to #include the appropriate header, and a semicolon after the labels, because labels can only be followed by statements, and declarations do not count as statements in C), this program does compile as C:
// Disable warning issue...
mongo group query how to keep fields
...use $first or $last operators on any field. When accumulating, the idea to include other fields (which are accumulated/funneled/reduced) doesn't make so much sense even theoretically. However, sorting before hand is actually inefficient compared to sorting each group within themselves since sorting ...
Launch Bootstrap Modal on page load
... Another important note: a lot of people post their javascript includes at the end of the body. in which case, the onload function must be included at the end, after the includes.
– Adam Joseph Looze
Mar 1 '15 at 19:19
...
How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre
...
What was happening was, I was including the integer reference to the icon in the PendingIntent bundle, and that integer was later being referenced while being posted to the NotificationManager.
In between getting the integer reference and the pending int...
What is the difference between assert, expect and should in Chai?
...rages has 3 types of tea');
In all cases, the assert style allows you to include an optional message as the last parameter in the assert statement. These will be included in the error messages should your assertion not pass.
Note
expect and should uses chainable language to construct assertions, ...