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Truncate Two decimal places without rounding
... of decimal places (say 25) it will cause the end result to have precision error. I fixed it by changing the factor type to decimal.
– TheKingDave
Aug 19 '13 at 14:34
...
Android get free size of internal/external memory
...rmatSize(availableBlocks * blockSize);
} else {
return ERROR;
}
}
public static String getTotalExternalMemorySize() {
if (externalMemoryAvailable()) {
File path = Environment.getExternalStorageDirectory();
StatFs stat = new StatFs(...
Check if a variable is of function type
...rence (open your javascript console and reload page, there might be logged error messages). Note: Revision 3 added isFunctionD (based on only typeof == "function") - and it seems to be much faster than Underscore's "fast" version.
– Joel Purra
Feb 2 '12 at 18:3...
Moving and vanishing lines of code; trouble with Eclipse's XML Editor
...ntally, so if you edit an XML file which has this problem, ADT will add an error marker for this problem -- along with a quickfix to perform surgery on the document to fix it.
In short:
Get ADT 21 Preview 9; run Lint on your projects and look for any complaints about files containing broken line en...
Does python have an equivalent to Java Class.forName()?
...In [59]: raise import_class_from_string('google.appengine.runtime.apiproxy_errors.DeadlineExceededError')()
---------------------------------------------------------------------------
DeadlineExceededError Traceback (most recent call last)
<ipython-input-59-b4e59d809b2f> in...
How to use a link to call JavaScript?
...e it will work for browsers with javascript not enabled, or if there is an error in the javascript code that doesn't work.
javascript runs on page load:
window.onload = function(){
document.getElementById("DaLink").onclick = function(){
if(funcitonToCall()){
...
How to configure Eclipse build path to use Maven dependencies?
...the maven-eclipse-plugin was the cause of my strange unresolved dependency errors. Thanks!
– vaughan
Jun 27 '11 at 15:22
1
...
Using ZXing to create an Android barcode scanning app [duplicate]
..." and paste to your project.
Clean and build project. If your project show error about "switch - case", you should change them to "if - else".
Completed. Clean and build project. You can click on "Proprties" > "Android" > click on "Is Libraries" to use for your project.
...
How to validate a url in Python? (Malformed or not)
...alidators import URLValidator
from django.core.exceptions import ValidationError
val = URLValidator(verify_exists=False)
try:
val('http://www.google.com')
except ValidationError, e:
print e
If you set verify_exists to True, it will actually verify that the URL exists, otherwise it will ju...
Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
...n|de)crement" working so
|could somebody help here? Does this contain some errors or is the idea
|wrong?
(1) ++ and -- are NOT reserved operator in Ruby.
(2) C's increment/decrement operators are in fact hidden assignment.
They affect variables, not objects. You cannot accomplish
...