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Reverting a single file to a previous version in git [duplicate]
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Git is very flexible. You shouldn't need hundreds of branches to do what you are asking. If you...
Get underlying NSData from UIImage
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I don't know why this answer is up-voted so many times nor that it is accepted. The OP asked to retrieve the data that was given initially....
Combine Date and Time columns using python pandas
...06 22:00:00
8 2013-03-06 23:00:00
9 2013-04-06 01:00:00
dtype: datetime64[ns]
Note: surprisingly (for me), this works fine with NaNs being converted to NaT, but it is worth worrying that the conversion (perhaps using the raise argument).
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R: rJava package install failing
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I am on R 2.15.3 ubuntu 12.04.2 64bit. when I update.packages() I get i notice that there is a rJava update. Installation from within R fails. When I apt-get install r-cran-rjava there is no update available. Why is this happening?
– E...
Master-master vs master-slave database architecture?
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While researching the various database architectures as well. I have compiled a good bit of inf...
How to set or change the default Java (JDK) version on OS X?
...hing like the following:
Matching Java Virtual Machines (3):
1.8.0_05, x86_64: "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_05.jdk/Contents/Home
1.6.0_65-b14-462, x86_64: "Java SE 6" /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
1.6.0_65-b14-462, i386: "Java SE 6" /S...
Why can't I use switch statement on a String?
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An if-elseif-elseif-elseif-else might be faster, but I'd take the cleaner code 99 times times out of 100. Strings, being immutable, cache t...
Remove the bottom divider of an android ListView
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As @ScootrNova said, this seems to be behaving differently (a.k.a buggy) in android 4.4.x (I do...
Java String to SHA1
...eturn result;
}
BTW, you may get more compact representation using Base64. Apache Commons Codec API 1.4, has this nice utility to take away all the pain. refer here
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best practice to generate random token for forgot password
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I made a varchar(64) field in my sql database to store this token. I set $length to 64, but the string returned is 128 characters long. How can I get a string with a fixed size (here, 64 then) ?
– gordie
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