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What is a reasonable code coverage % for unit tests (and why)? [closed]
...exception is logged in the database, the green stripe at the bottom of the screen turns red, and an email is sent to the Pope; then that is what you should test. But you don't have to test every possible exception that might trigger these events.
– Dawood ibn Kareem
...
How do I use vimdiff to resolve a git merge conflict?
...th of them together.
While vimdiff does show BASE, LOCAL and REMOTE in the screen:
+--------------------------------+
| LOCAL | BASE | REMOTE |
+--------------------------------+
| MERGED |
+--------------------------------+
I don't know how to m...
ReactJS: Modeling Bi-Directional Infinite Scrolling
...n, on occasion when I scroll and position jumps very far (say I go off the screen and back), the ListBody doesn't re-render, even though the state changes. Any ideas why this might be? Great example otherwise!
– SleepyProgrammer
Jun 10 '15 at 20:12
...
Reset/remove CSS styles for element only
...0, 0);
z-index: 50;
display: block;
etc..
etc..
}
@media only screen and (min-width: 980px) {
.element {
all: revert;
}
}
Will do.
Here we used one cool CSS property with another cool CSS value.
revert
Actually revert, as the name says, reverts that propert...
Canvas width and height in HTML5
...ixelated zoom-in
// with each canvas pixel drawn showing as roughly 2x2 on screen
canvas.width = 400;
canvas.height = 300;
canvas.style.width = '800px';
canvas.style.height = '600px';
See this live example of a canvas that is zoomed in by 4x.
var c = document.getElementsByTagName('canvas')...
PHP parse/syntax errors; and how to solve them
...te
A Guide To PHP Error Messages For Designers - Smashing Magazine
White screen of death
If your website is just blank, then typically a syntax error is the cause.
Enable their display with:
error_reporting = E_ALL
display_errors = 1
In your php.ini generally, or via .htaccess for mod_php,
or...
What encoding/code page is cmd.exe using?
...ys) was designed circa 1990, Unicode was a 16-bit standard, so the console screen buffer uses one 16-bit WCHAR per character cell. A UTF-16 surrogate pair prints as two box characters.
– Eryk Sun
Feb 23 '15 at 6:22
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What do linkers do?
...other files. In C, for example, a simple program to print your name to the screen would consist of:
printf("Hello Kristina!\n");
When the compiler compiled your program into an obj file, it simply puts a reference to the printf function. The linker resolves this reference. Most programming langua...
How using try catch for exception handling is best practice
...have generic ways of doing case 3. For instance ASP.Net has a yellow error screen that dumps the exception details, but that can be replaced with a more generic message in the production environment. Following those is best practice because it saves you a lot of code, but also because error logging ...
How to select rows from a DataFrame based on column values?
...
At 9 screenfuls, this is way overload for a new or even intermediate user. You can and should self-summarize the tl;dr in the first paragraph.
– smci
Jul 13 '19 at 0:13
...