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Is multiplication and division using shift operators in C actually faster?
...e from gcc -O3 on x86 with return i*10 than from the shift version. As someone who looks at compiler output a lot (see many of my asm / optimization answers), I'm not suprised. There are times when it can help to hand-hold the compiler into one way of doing things, but this isn't one of them. gcc ...
Update Eclipse with Android development tools v. 23
...th items being installed" to uninstall the old version and install the new one. After that, proceed with the usual steps.
Note: When I installed the new version of ADT, I didn't include the new version of "Android Native Development Tools" package. Instead, I installed the rest of packages first...
How do you run a command for each line of a file?
...file.txt)
For small amount of files (lines), this command is the lighter one.
xargs is the right tool
For bigger amount of files, or almost any number of lines in your input file...
For many binutils tools, like chown, chmod, rm, cp -t ...
xargs chmod 755 <file.txt
If you have special char...
Notepad++ add to every line
... This should be voted much higher. Because contrary to what one may think when reading "editing the whole column", this allows adding text to the beginning of all lines without replacing anything.
– bers
Jul 2 '15 at 19:08
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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
... If you want to use this code but with the case of more than one column in the group_by, you can add .reset_index(drop=True) df.groupby(['A','C'], group_keys=False).apply(lambda x: x.ix[x.B.idxmax()]).reset_index(drop=True) This will reset the index as its default value would be a Mul...
Sort objects in ArrayList by date?
...d (either null sorts at the beginning or end of the sequence). That is, if one date is null and one is not null, return a 1 or -1. Without doing that, the nulls are not sorted and remain wherever they happened to be in the list before the sort.
– droozen
Nov 13...
Source unreachable when using the NuGet Package Manager Console
...s to NuGet. I am trying to install older versions of packages to match the one we already have in source control. There is no way to do this from the UI so I use the command line to get the proper version.
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Trust Store vs Key Store - creating with keytool
... Note that while there is a default value for the trust store, there isn't one for the key store.)
Essentially, the keystore in javax.net.ssl.keyStore is meant to contain your private keys and certificates, whereas the javax.net.ssl.trustStore is meant to contain the CA certificates you're willing ...
Transferring ownership of an iPhone app on the app store
...at we'll be selling the app to another company in the near future. Does anyone have any experience with moving an app's ownership to another account?
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ImportError: No module named PIL
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None of the other answers fixed the issue I had, but this one did.
– MaxJ
Dec 7 '17 at 13:49
add a co...