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How can I recover a lost commit in Git?
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660
git reflog is your friend. Find the commit that you want to be on in that list and you can reset...
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?
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120
Yes, JavaScript has "short-circuit" evaluation.
if (true == true || foo.foo){
// Passes, no...
OSGi, Java Modularity and Jigsaw
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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...
Why doesn't java.lang.Number implement Comparable? [duplicate]
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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?
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330
Have a look at http://sqlite.org/lang_conflict.html.
You want something like:
insert or replac...
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...
Jquery insert new row into table at a certain index
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$('#my_table > tbody > tr').eq(i-1).after(html);
The indexes are 0 based, so to be the 4th row, you need i-1, since .eq(3) would be the 4th row, you need to go back to the 3rd row (2) and insert .after() that.
shar...
What are WSGI and CGI in plain English?
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60
WSGI runs the Python interpreter on web server start, either as part of the web server process (...