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Base64 Java encode and decode a string [duplicate]
...d = Base64.encodeBase64(str.getBytes());
System.out.println("encoded value is " + new String(bytesEncoded));
// Decode data on other side, by processing encoded data
byte[] valueDecoded = Base64.decodeBase64(bytesEncoded);
System.out.println("Decoded value is " + new String(valueDecoded));
Hope t...
Scheduling recurring task in Android
...ecurring task of sending presence to a dedicated server as long as the app is in foreground.
5 Answers
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How to escape the % (percent) sign in C's printf?
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You can escape it by posting a double '%' like this: %%
Using your example:
printf("hello%%");
Escaping '%' sign is only for printf. If you do:
char a[5];
strcpy(a, "%%");
printf("This is a's value: %s\n", a);
It will print: This is a's value: %%
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“document.getElementByClass is not a function”
...ntsByClassName() (and then grabbing the first item off the resulting node list):
var stopMusicExt = document.getElementsByClassName("stopButton")[0];
stopButton.onclick = function() {
var ta = document.getElementsByClassName("stopButton")[0];
document['player'].stopMusicExt(ta.value);
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Ruby optional parameters
If I define a Ruby functions like this:
8 Answers
8
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Why no generics in Go?
Disclaimer: I've only played with Go for one day now, so there's a good chance I've missed a lot.
6 Answers
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How to run a shell script in OS X by double-clicking?
I have a shell script that has user execution permission on OS X, but when I double click on it, it opens in a text editor. How can I get it to run by double-clicking it?
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What is the MySQL VARCHAR max size?
I would like to know what the max size is for a MySQL VARCHAR type.
7 Answers
7
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Remove specific commit
...edited a bunch of files that shouldn't have been edited. Somehow I merged his work into mine, either when I pulled it, or when I tried to just pick the specific files out that I wanted. I've been looking and playing for a long time, trying to figure out how to remove the commits that contain the edi...
What is best tool to compare two SQL Server databases (schema and data)? [duplicate]
... databases including schema (table structure) and data in tables too. What is best tool to do this?
15 Answers
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