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How to change string into QString?

...QString::fromUtf8(const char * str, int size = -1) const char* str = read_raw("hello.txt"); // assuming hello.txt is UTF8 encoded, and read_raw() reads bytes from file into memory and returns pointer to the first byte as const char* QString qstr = QString::fromUtf8(str); There's also method for...
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Storing a Map using JPA

... @ElementCollection(fetch = FetchType.LAZY) @CollectionTable(name = "raw_events_custom", joinColumns = @JoinColumn(name = "raw_event_id")) @MapKeyColumn(name = "field_key", length = 50) @Column(name = "field_val", length = 100) @BatchSize(size = 20) private Map<String, String&gt...
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How to make unicode string with python3

..., \u000A, etc. And also emojis that encoded with 16 bytes. example = 'raw vegan chocolate cocoa pie w chocolate & vanilla cream\\uD83D\\uDE0D\\uD83D\\uDE0D\\u2764\\uFE0F Present Moment Caf\\u00E8 in St.Augustine\\u2764\\uFE0F\\u2764\\uFE0F ' import codecs new_str = codecs.unicode_escape...
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How do I write a “tab” in Python?

... It just moves the text over by a default number of spaces. Maybe you can draw in characters what you want to appear. Is it --> ? – Rick Henderson May 20 '16 at 15:29 ...
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Java: Difference between PrintStream and PrintWriter

...ns between PrintStream and PrintWriter are that a PrintWriter cannot write raw bytes and the two classes wrap different types of destinations. – Ted Hopp May 9 '13 at 3:47 ...
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How do I encode/decode HTML entities in Ruby?

... To decode characters in Rails use: <%= raw '<html>' %> So, <%= raw '<br>' %> would output <br> share | improve this ans...
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How to write PNG image to string with the PIL?

...ired to use BytesIO: from io import BytesIO from PIL import Image, ImageDraw image = Image.new("RGB", (300, 50)) draw = ImageDraw.Draw(image) draw.text((0, 0), "This text is drawn on image") byte_io = BytesIO() image.save(byte_io, 'PNG') Read more: http://fadeit.dk/blog/post/python3-flask-pil...
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Media Player called in state 0, error (-38,0)

...out.activity_main); final MediaPlayer mpp = MediaPlayer.create(this, R.raw.red); //mp3 file in res/raw folder Button btnplay = (Button) findViewById(R.id.btnplay); //Play btnplay.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View vone) { ...
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How do I print out the contents of an object in Rails for easy debugging?

...t the PHP equivalent of print_r() (print human-readable); at present the raw output is: 8 Answers ...
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?

... Thanks for the great answer, @eternicode. In the end we dropped down to raw SQL for the desired database-level iteration. – davidchambers Aug 13 '11 at 21:15 2 ...