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How to convert date to timestamp in PHP?

... This method works on both Windows and Unix and is time-zone aware, which is probably what you want if you work with dates. If you don't care about timezone, or want to use the time zone your server uses: $d = DateTime::createFromFormat('d-m-Y H:i:s', '22-09...
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Android: How can I validate EditText input?

...lidated, I think the following shall suit you : Your activity implements android.text.TextWatcher interface You add TextChanged listeners to you EditText boxes txt1.addTextChangedListener(this); txt2.addTextChangedListener(this); txt3.addTextChangedListener(this); Of the overridden methods, y...
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Vim multiline editing like in sublimetext?

I started to use gvim, and I can't quite understand how the multiline edit works in gvim. 7 Answers ...
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Twitter Bootstrap modal: How to remove Slide down effect

...on. Guess it's just a bad question because it's really 2 questions in one and no one has answered both questions in one answer. – umassthrower Apr 1 '13 at 4:28 1 ...
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String variable interpolation Java [duplicate]

...ould be $, % or @. Java would only print such characters, it would not expand them. Variable interpolation is not supported in Java. Instead of this, we have string formatting. package com.zetcode; public class StringFormatting { public static void main(String[] args) { int a...
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How can I remove all my changes in my SVN working directory?

I have an SVN working directory. I made some changes in that directory, and it shows in svn status . But is there any way for me to remove all my changes in there and just get everything from the trunk using the command line? ...
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Performance difference for control structures 'for' and 'foreach' in C#

...corlib]System.IDisposable::Dispose() IL_002f: endfinally } // end handler IL_0030: ret } // end of method Test::IterateOverList The compiler treats arrays differently, converting a foreach loop basically to a for loop, but not List<T>. Here's the equivalent code for an array: sta...
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Get the Row(s) which have the max count in groups using groupby

How do I find all rows in a pandas dataframe which have the max value for count column, after grouping by ['Sp','Mt'] columns? ...
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Setting different color for each series in scatter plot on matplotlib

... I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array easily enough: import numpy as np import matplotlib.pyplot as plt import matplotlib.cm as cm x = np.arange(10) ys = [i+x+(i*x)**2 for i in range(10)] colors = cm.rainbow(np.linspace(0, 1, len(ys))) f...
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Best way to iterate through a Perl array

Which is the best implementation(in terms of speed and memory usage) for iterating through a Perl array? Is there any better way? ( @Array need not be retained). ...