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# delete local tag '12345' | |
git tag -d 12345 | |
# delete remote tag '12345' (eg, GitHub version too) | |
git push origin :refs/tags/12345 | |
# alternative approach | |
git push --delete origin tagName | |
git tag -d tagName |
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import android.app.Activity; | |
import android.content.Context; | |
import android.preference.Preference; | |
import android.util.AttributeSet; | |
import android.view.View; | |
import android.view.ViewGroup; | |
import android.widget.LinearLayout; | |
import com.google.ads.AdRequest; | |
import com.google.ads.AdSize; |
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// Just before switching jobs: | |
// Add one of these. | |
// Preferably into the same commit where you do a large merge. | |
// | |
// This started as a tweet with a joke of "C++ pro-tip: #define private public", | |
// and then it quickly escalated into more and more evil suggestions. | |
// I've tried to capture interesting suggestions here. | |
// | |
// Contributors: @r2d2rigo, @joeldevahl, @msinilo, @_Humus_, | |
// @YuriyODonnell, @rygorous, @cmuratori, @mike_acton, @grumpygiant, |
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/* | |
* Copyright 2012 Google Inc. | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software |
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Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
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public class DropinTemplateLexer { | |
private static final String LINE_SEP = System.getProperty("line.separator"); | |
private static final char NL = '\n'; | |
/** | |
* lexer rules | |
* | |
* <pre> | |
* ESCAPED ::= '\\\\#|\\\\\\$' |
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#!/bin/sh | |
# Converts a mysqldump file into a Sqlite 3 compatible file. It also extracts the MySQL `KEY xxxxx` from the | |
# CREATE block and create them in separate commands _after_ all the INSERTs. | |
# Awk is choosen because it's fast and portable. You can use gawk, original awk or even the lightning fast mawk. | |
# The mysqldump file is traversed only once. | |
# Usage: $ ./mysql2sqlite mysqldump-opts db-name | sqlite3 database.sqlite | |
# Example: $ ./mysql2sqlite --no-data -u root -pMySecretPassWord myDbase | sqlite3 database.sqlite |
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