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How to lock compiled Java classes to prevent decompilation?
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96
Some of the more advanced Java bytecode obfuscators do much more than just class name mangling....
get list of pandas dataframe columns based on data type
...1 2.3456 c d 78
[1 rows x 5 columns]
>>> df.dtypes
A int64
B float64
C object
D object
E int64
dtype: object
>>> g = df.columns.to_series().groupby(df.dtypes).groups
>>> g
{dtype('int64'): ['A', 'E'], dtype('float64'): ['B'], dtype('O'): ['C', 'D'...
Eclipse / Android : “Errors running builder 'Android Pre Compiler' on project…”
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84
I always hate answering my own questions, but this is a genuine solution.
The 21.0.1 version o...
What is the argument for printf that formats a long?
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647
Put an l (lowercased letter L) directly before the specifier.
unsigned long n;
long m;
pri...
Where Is Machine.Config?
...32-bit
%windir%\Microsoft.NET\Framework\[version]\config\machine.config
64-bit
%windir%\Microsoft.NET\Framework64\[version]\config\machine.config
[version] should be equal to v1.0.3705, v1.1.4322, v2.0.50727 or v4.0.30319.
v3.0 and v3.5 just contain additional assemblies to v2.0.50727 so the...
How to add a new method to a php object on the fly?
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96
You can harness __call for this:
class Foo
{
public function __call($method, $args)
{
...
How to install Java SDK on CentOS?
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164
The following command will return a list of all packages directly related to Java. They will be...
postgresql - sql - count of `true` values
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DanielDaniel
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git diff two files on same branch, same commit
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84
You don't need git for that, just use diff fileA.php fileB.php (or vimdiff if you want side by ...
ActionBarCompat: java.lang.IllegalStateException: You need to use a Theme.AppCompat
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96
If you are extending ActionBarActivity in your MainActivity, you will have to change the parent...