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How can I remove a button or make it invisible in Android?
...ndroid:text="Delete"
android:id="@+id/my_button_del"
android:layout_width="72dp"
android:layout_height="40dp"
android:visibility="invisible"/>
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How to toggle a value in Python
...0
>>> x ^= 1
>>> x
1
The technique generalizes to any pair of integers. The xor-by-one step is replaced with a xor-by-precomputed-constant:
>>> A = 205
>>> B = -117
>>> t = A ^ B # precomputed toggle constant
>>> x = A
>>> x ^...
Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
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Homebrew doesn't provide a way to install old version formula. And since v2.0.0, it will run brew cleanup as default behaviours every 30 days. Therefore, you may accidentally update brew and delete the old version.
Here are the steps to install old version:
Go to homebrew-core directory:
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How do I convert a git repository to mercurial?
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BombeBombe
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How to correct TypeError: Unicode-objects must be encoded before hashing?
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asmeurer
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answered Sep 28 '11 at 15:10
cwallenpoo...
How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?
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Running on Bootstrap v2.3.1, no problems.
– Kevin Dewalt
Apr 12 '13 at 5:47
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How to get the absolute coordinates of a view
...er exception in Android v1.5 (the platform I'm coding for), but testing in v2.1 didn't work any better. Both methods gave me 0s for everything. I included a code snippet above.
– Steve Haley
Feb 9 '10 at 12:23
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C++ display stack trace on exception
... 2008, Timo Bingmann from http://idlebox.net/
// published under the WTFPL v2.0
#ifndef _STACKTRACE_H_
#define _STACKTRACE_H_
#include <stdio.h>
#include <stdlib.h>
#include <execinfo.h>
#include <cxxabi.h>
/** Print a demangled stack backtrace of the caller function to FI...
Date format Mapping to JSON Jackson
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Since Jackson v2.0, you can use @JsonFormat annotation directly on Object members;
@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm a z")
private Date date;
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What is the best testing framework to use with Node.js? [closed]
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@flow since v2 it is easy to use should without extending Object.prototype (simply call require('should').noConflict() and use should.js as an expect alternative.
– den bardadym
Jan 14 '15 at 11:07
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