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Launching Google Maps Directions via an intent on Android
...ent.Intent.ACTION_VIEW,
Uri.parse("http://maps.google.com/maps?saddr=20.344,34.34&daddr=20.5666,45.345"));
startActivity(intent);
To start the navigation from the current location, remove the saddr parameter and value.
You can use an actual street address instead of latitude and longitud...
Does JavaScript have “Short-circuit” evaluation?
...
120
Yes, JavaScript has "short-circuit" evaluation.
if (true == true || foo.foo){
// Passes, no...
OSGi, Java Modularity and Jigsaw
...
100
First understand that Jigsaw's primary use case is to modularise the JRE itself. As a secondary...
Converting Secret Key into a String and Vice Versa
... using SecretKeySpec
SecretKey originalKey = new SecretKeySpec(decodedKey, 0, decodedKey.length, "AES");
For Java 7 and before (including Android):
NOTE I: you can skip the Base64 encoding/decoding part and just store the byte[] in SQLite. That said, performing Base64 encoding/decoding is not...
How expensive is RTTI?
...e in runtime memory usage.
A quick experiment (using GCC 4.4.3 on Ubuntu 10.04 64-bit) shows that -fno-rtti actually increases the binary size of a simple test program by a few hundred bytes. This happens consistently across combinations of -g and -O3. I'm not sure why the size would increase; one ...
Get file version in PowerShell
... list of files:
get-childitem * -include *.dll,*.exe | foreach-object { "{0}`t{1}" -f $_.Name, [System.Diagnostics.FileVersionInfo]::GetVersionInfo($_).FileVersion }
Or even nicer as a script: https://jtruher3.wordpress.com/2006/05/14/powershell-and-file-version-information/
...
Why doesn't java.lang.Number implement Comparable? [duplicate]
...
It's worth mentioning that the following expression:
new Long(10).equals(new Integer(10))
is always false, which tends to trip everyone up at some point or another. So not only can you not compare arbitrary Numbers but you can't even determine if they're equal or not.
Also, with the ...
INSERT IF NOT EXISTS ELSE UPDATE?
...
330
Have a look at http://sqlite.org/lang_conflict.html.
You want something like:
insert or replac...
How to change a module variable from another module?
...
105
You are using from bar import a. a becomes a symbol in the global scope of the importing module...
Internet Explorer's CSS rules limits
...in Internet Explorer
The rules for IE9 are:
A sheet may contain up to 4095 selectors (Demo)
A sheet may @import up to 31 sheets
@import nesting supports up to 4 levels deep
The rules for IE10 are:
A sheet may contain up to 65534 selectors
A sheet may @import up to 4095 sheets
@import nesting...