srcreigh

#lang racket/base
(require racket/list)
(provide report-all-errors
         save-error-message)

;; Taken from Typed Racket codebase tc-util.rkt

(define-struct err (msg stx) #:prefab)
(define delayed-errors null)

srcreigh

#lang racket/base
(require (for-syntax racket/base syntax/parse))

(define-syntax (error stx)
  (syntax-parse stx
    [(_ ...) (raise-syntax-error #f "This is an error." stx)]))

;; The following line will be highlighted in the IDE and say "This is an error."
;; in DrRacket or racket-xp-mode for emacs.
(error 'hi)

srcreigh

                                                                January 14, 2016
                                                                        Thursday

                             COMPILER CONSTRUCTION


1. TOKENS AND KINDS
===================

srcreigh

                                                                  August 6, 2015
                                                                        Thursday

                                    THOUGHTS

What, if any, is the value in being wrong? First it must be established what
"wrong" is, in the first place. It is easy to be wrong about "external" things;
things outside of our own mind. "The rock will fall," one could say... and be
wrong when, after throwing it up, finds that it has gotten stuck in a tree. We

srcreigh

from xml.dom import minidom
import json
xmldoc = minidom.parse('changelogs.xml')

items = []
itemsxml = xmldoc.getElementsByTagName('string-array')
versions = itemsxml[0].getElementsByTagName('item')
dates = itemsxml[1].getElementsByTagName('item')
descs = itemsxml[2].getElementsByTagName('item')

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public static final int ITEM_VIEW_TYPE_LARGE = 0;
public static final int ITEM_VIEW_TYPE_SMALL = 1;

@Override
public int getItemViewType(int position) {
    if (isCategoryLarge(categories.get(position)) {
        return ITEM_VIEW_TYPE_LARGE;
    } else {
        return ITEM_VIEW_TYPE_SMALL;

srcreigh

package com.hackthenorth.android.util;

import android.animation.Animator;
import android.animation.TimeInterpolator;
import android.animation.ValueAnimator;
import android.annotation.SuppressLint;
import android.view.View;

/**
 * "Because, honestly, why isn't android.animation.ViewPropertyAnimator an Animator in

srcreigh

<?xml version="1.0" encoding="UTF-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/listview_background_shape" >
    <item android:drawable="@drawable/card_background" />

    <item>
        <shape>
            <padding
                android:bottom="12dp"
                android:left="12dp"
                android:top="12dp"

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        <com.hackthenorth.android.ui.component.TextView
            android:id="@+id/title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="16dp"

            android:textColor="@color/text_color_primary"
            android:fontFamily="sans-serif"
            android:textStyle="bold"
            android:textSize="18sp"

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Set<WeakReference<TextView>> toRemove = new HashSet<WeakReference<TextView>>();

for (WeakReference<TextView> weakRef : textviews) {
    TextView textView = weakRef.get();

    if (textView != null) {
        // do stuff here
    } else {