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Regular expression to match numbers with or without commas and decimals in text
...r, we checked at the beginning to make sure the whole thing wasn't blank.
Tested here: http://rextester.com/YPG96786
This will allow things like:
100,000
999.999
90.0009
1,000,023.999
0.111
.111
0
It will block things like:
1,1,1.111
000,001.111
999.
0.
111.110000
1.1.1.111
9.909,888
There are se...
Intellij idea cannot resolve anything in maven
...
I was also getting this error because the project imported main and test folders as modules. Click on Project --> Press F4 --> In Module settings, remove main and test folders and the make the project again. Problem will be resolved.
...
How can I get zoom functionality for images?
...ode below is very dated. You can check out the github project to get the latest code.
USAGE
Place TouchImageView.java in your project. It can then be used the same as
ImageView. Example:
TouchImageView img = (TouchImageView) findViewById(R.id.img);
If you are using TouchImageView in xml, then y...
Install an apk file from command prompt?
... forward lock.
-r: Reinstall an exisiting app, keeping its data.
-t: Allow test APKs to be installed.
-i <INSTALLER_PACKAGE_NAME>: Specify the installer package name.
-s: Install package on the shared mass storage (such as sdcard).
-f: Install package on the internal system memory.
-d: Allow v...
Check if at least two out of three booleans are true
... boolean c) {
return a && (b || c) || (b && c);
}
It tests a and b exactly once, and c at most once.
References
JLS 15.25 Conditional Operator ? :
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How to clone a Date object?
...py and call it SuperDate or something, withing your scope. Lots of hard to test for bugs are caused by object functionality changing unexpectedly.
– Ray Foss
Jan 28 '16 at 13:29
...
How to erase the file contents of text file in Python?
...e to overwrite the file. In C++:
#include <fstream>
std::ofstream("test.txt", std::ios::out).close();
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How to access command line arguments of the caller inside a function?
...
One can do it like this as well
#!/bin/bash
# script_name function_test.sh
function argument(){
for i in $@;do
echo $i
done;
}
argument $@
Now call your script like
./function_test.sh argument1 argument2
shar...
javascript i++ vs ++i [duplicate]
... Guffa is correct here. jsperf.com/ppi-vs-ipp-forloop when I run this test and it shows i++ being faster in a for loop, but not by enough to be significant. While ++i may be faster in other languages, I think it's safe to say javascript optimizes the operation to be the same.
...
Reserved keywords in JavaScript
...vedKeyword(wordToCheck) {
var reservedWord = false;
if (/^[a-z]+$/.test(wordToCheck)) {
try {
eval('var ' + wordToCheck + ' = 1');
} catch (error) {
reservedWord = true;
}
}
return reservedWord;
}
...