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How to secure MongoDB with username and password
...d({})
Long answer: Read this if you want to properly understand.
It's really simple. I'll dumb the following down https://docs.mongodb.com/manual/tutorial/enable-authentication/
If you want to learn more about what the roles actually do read more here: https://docs.mongodb.com/manual/reference/b...
How do I use a compound drawable instead of a LinearLayout that contains an ImageView and a TextView
...d bottom.
In your case, you do not need the LinearLayout and ImageView at all. Just add android:drawableLeft="@drawable/up_count_big" to your TextView.
See TextView#setCompoundDrawablesWithIntrinsicBounds for more info.
sh...
Reading file contents on the client-side in javascript in various browsers
...)
{
alert(content);
}
ReadFileAllBrowsers(document.getElementById("file_upload"), CallBackFunction);
//Tested in Mozilla Firefox browser, Chrome
function ReadFileAllBrowsers(FileElement, CallBackFunction)
{
try
{
var file = FileElement.files[0];
var contents_ = "";
if (file) {
...
HTML5 Canvas 100% Width Height of Viewport?
....getContext('2d');
// resize the canvas to fill browser window dynamically
window.addEventListener('resize', resizeCanvas, false);
function resizeCanvas() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
/**
* You...
Fastest way(s) to move the cursor on a terminal command line?
...rl+Alt+] for backward search.
I recommend the second option. Ctrl+r is really handy and fast, no mucking about with editors, and you see the results before the command is run (unlike the history expansions).
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Using getopts to process long and short command line options
...or using the bash builtin getopts to mimic long options. That solution actually makes a short option whose character is "-". So you get "--" as the flag. Then anything following that becomes OPTARG, and you test the OPTARG with a nested case.
This is clever, but it comes with caveats:
getopts ca...
Run javascript function when user finishes typing instead of on key up?
...t one line with underscore.js debounce function:
$('#my-input-box').keyup(_.debounce(doSomething , 500));
This basically says doSomething 500 milliseconds after I stop typing.
For more info: http://underscorejs.org/#debounce
...
Single quotes vs. double quotes in C or C++
..., that is sizeof 'a' is 4 in an architecture where ints are 32bit (and CHAR_BIT is 8), while sizeof(char) is 1 everywhere.
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How can I load an object into a variable name that I specify from an R data file?
... use an .RDS file:
x <- 5
saveRDS(x, "x.rds")
y <- readRDS("x.rds")
all.equal(x, y)
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decompiling DEX into Java sourcecode
...f -o output_jar.jar dex_to_decompile.dex
Note 1: In the Windows machines all the .sh scripts are replaced by .bat scripts
Note 2: On linux/mac don't forget about sh or bash. The full command should be:
sh d2j-dex2jar.sh -f -o output_jar.jar apk_to_decompile.apk
Note 3: Also, remember to add ...