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HTML5 textarea placeholder not appearing

...ayed since the input area contains content (a newline character is, technically, valid content). Good: <textarea></textarea> Bad: <textarea> </textarea> Update (2020) This is not true anymore, according to the HTML5 parsing spec: If the next token is a U+000A LINE FEED (LF)...
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Memory management in Qt?

... need to delete and/or destroy my objects? Is any of this handled automatically? 4 Answers ...
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How to run two jQuery animations simultaneously?

... I believe I found the solution in the jQuery documentation: Animates all paragraph to a left style of 50 and opacity of 1 (opaque, visible), completing the animation within 500 milliseconds. It also will do it outside the queue, meaning it will automatically start without waiting f...
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Can you delete multiple branches in one command with Git?

...syntax. But you can do it like this: git branch -D 3.2 3.2.1 3.2.2 Basically, git branch will delete multiple branch for you with a single invocation. Unfortunately it doesn't do branch name completion. Although, in bash, you can do: git branch -D `git branch | grep -E '^3\.2\..*'` ...
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How to search for a string in text files?

... if 'blabla' in f.read(): print("true") Another trick: you can alleviate the possible memory problems by using mmap.mmap() to create a "string-like" object that uses the underlying file (instead of reading the whole file in memory): import mmap with open('example.txt') as f: s = mm...
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Verifying a specific parameter with Moq

...essy to write a large lambda method (as your example shows). You could put all the test statements in a separate method, but I don't like to do this because it disrupts the flow of reading the test code. Another option is to use a callback on the Setup call to store the value that was passed into ...
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bash HISTSIZE vs. HISTFILESIZE?

... is ongoing. HISTFILESIZE is the number of lines or commands that (a) are allowed in the history file at startup time of a session, and (b) are stored in the history file at the end of your bash session for use in future sessions. Notice the distinction between file: on disk - and list: in memory....
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Copy file(s) from one project to another using post build event…VS2010

...sts but its not part of the target project meaning you have to click 'show all files' for it to appear in VS. – BoundForGlory Jun 12 '12 at 17:55 ...
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Variable declaration in a C# switch statement [duplicate]

... I believe it has to do with the overall scope of the variable, it is a block level scope that is defined at the switch level. Personally if you are setting a value to something inside a switch in your example for it to really be of any benefit, you would want ...
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Pipe to/from the clipboard in Bash script

... Linux user who wants to put stuff in the X Windows primary clipboard. Usually, the clipboard you want to talk to has a utility that lets you talk to it. In the case of X, there's xclip (and others). xclip -selection c will send data to the clipboard that works with Ctrl + C, Ctrl + V in most appl...