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How to compare binary files to check if they are the same?
...l. Unlike you I was after the differences in the files.
hexdump tmp/Circle_24.png > tmp/hex1.txt
hexdump /tmp/Circle_24.png > tmp/hex2.txt
meld tmp/hex1.txt tmp/hex2.txt
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How can I reset a react component including all transitively reachable state?
...oth deprecated in the new ES6 class-style reactjs. Use this.setState(this._getInitialState()) instead. Also you can't name your own state initializer function getInitialState() - react throws a warning - call it anything else and explicitly do state = this._getInitialState() in the top level of th...
Why does `a == b or c or d` always evaluate to True?
...gt; import ast
>>> ast.parse("if a == b or c or d or e: ...")
<_ast.Module object at 0x1031ae6a0>
>>> ast.dump(_)
"Module(body=[If(test=BoolOp(op=Or(), values=[Compare(left=Name(id='a', ctx=Load()), ops=[Eq()], comparators=[Name(id='b', ctx=Load())]), Name(id='c', ctx=Load())...
Detect encoding and make everything UTF-8
...
If you apply utf8_encode() to an already UTF-8 string, it will return garbled UTF-8 output.
I made a function that addresses all this issues. It´s called Encoding::toUTF8().
You don't need to know what the encoding of your strings is. It c...
Get Base64 encode file-data from Input Form
...toolkit.info/javascript-base64.html#], and then comment-out input = Base64._utf8_encode(input); and output = Base64._utf8_decode(output);? Any problem other than utf-8 conversion error?
– shr
Aug 23 '11 at 17:16
...
How can you find and replace text in a file using the Windows command-line environment?
...s you something to Google for.
(Get-Content test.txt) | ForEach-Object { $_ -replace "foo", "bar" } | Set-Content test2.txt
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ASP.NET MVC: Is Controller created for every request?
...ntext, Type controllerType)
{
try
{
return (IController)(_resolverThunk().GetService(controllerType) ?? Activator.CreateInstance(controllerType));
}
The longer version is this (Here's the code from the source from the MvcHandler):
protected internal virtual void ProcessReque...
Using Git, how could I search for a string across all branches?
...p $1 } # last grep to keep grep color highlight
– AFP_555
Feb 5 '19 at 2:27
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Getting individual colors from a color map in matplotlib
...call the cmap object you have.
import matplotlib
cmap = matplotlib.cm.get_cmap('Spectral')
rgba = cmap(0.5)
print(rgba) # (0.99807766255210428, 0.99923106502084169, 0.74602077638401709, 1.0)
For values outside of the range [0.0, 1.0] it will return the under and over colour (respectively). This...
How do I insert NULL values using PDO?
...nd this in a comment on the php docs:
bindValue(':param', null, PDO::PARAM_INT);
EDIT: P.S. You may be tempted to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for everybody (thank you Will Shaver for reporting.)
...