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How do I encode and decode a base64 string?
...
Encode
public static string Base64Encode(string plainText) {
var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
return System.Convert.ToBase64String(plainTextBytes);
}
Decode
public static string Base64Decode(string base64EncodedData...
How to show all shared libraries used by executables in Linux?
...tput (for just the /bin directory) will look something like this:
1 /lib64/libexpat.so.0
1 /lib64/libgcc_s.so.1
1 /lib64/libnsl.so.1
1 /lib64/libpcre.so.0
1 /lib64/libproc-3.2.7.so
1 /usr/lib64/libbeecrypt.so.6
1 /usr/lib64/libbz2.so.1
1 /usr/lib64/libelf.so.1
1 /usr/lib64/libpopt...
Jackson with JSON: Unrecognized field, not marked as ignorable
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96
using Jackson 2.6.0, this worked for me:
private static final ObjectMapper objectMapper =
...
Calculate date/time difference in java [duplicate]
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96
try
long diffSeconds = diff / 1000 % 60;
long diffMinutes = diff / (60 * 1000) % 60;
long d...
How do I fix "The expression of type List needs unchecked conversion…'?
...
96
Since getEntries returns a raw List, it could hold anything.
The warning-free approach is to c...
Error: allowDefinition='MachineToApplication' beyond application level
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96
I've just encountered this "delight". It seems to present itself just after I've published a w...
Reorder / reset auto increment primary key
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96
You could drop the primary key column and re-create it. All the ids should then be reassigned i...
Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?
...ns hard-coded for that path, that it wasn't feasible to remove it.
SysWoW64 wasn't intended for the dlls of 64-bit systems, it's actually something like "Windows on Windows64", meaning the bits you need to run 32bit apps on a 64bit windows.
This article explains a bit:
"Windows x64 has a direct...
Drop rows with all zeros in pandas data frame
...eit df[(df.sum(axis=1) != 0)]
1000 loops, best of 3: 495 µs per loop
In [96]: %timeit df[df.values.sum(axis=1) != 0]
1000 loops, best of 3: 217 µs per loop
On a larger dataset:
In [119]: bdf = pd.DataFrame(np.random.randint(0,2,size=(10000,4)))
In [120]: %timeit bdf[(bdf.T != 0).any()]
1000 l...
Visual Studio 64 bit?
Is there any 64 bit Visual Studio at all? Why not?
5 Answers
5
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