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changing source on html5 video tag
...tag, but it would always generate a failure on a javascript debug console. Now I know I can hold off on adding a 'source' until the user selects one. Till now, I didn't understand I needed to make the use CreateElement() to make a source, and then use appendChild() to add it to the video element! Fo...
Detect backspace in empty UITextField
...essed in the iPhone keyboard on a UITextField that is empty? I want to know when Backspace is pressed only if the UITextField is empty.
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Why is @autoreleasepool still needed with ARC?
...g what gets autoreleased or released (ARC does that for me), how should I know when to set up an autorelease pool?
– mk12
Jan 31 '12 at 21:18
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How can I output leading zeros in Ruby?
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If the maximum number of digits in the counter is known (e.g., n = 3 for counters 1..876), you can do
str = "file_" + i.to_s.rjust(n, "0")
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How to test code dependent on environment variables using JUnit?
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I know this question is old, but I wanted to say that this is the correct answer. The accepted answer encourages poor design with a hidden dependency on System, whereas this answer encourages a proper design treating System as j...
How to fully delete a git repository created with init?
...to the Icon Overlays option.
Change the Status Cache from Default to None
Now you can delete the directory (either with Windows Explorer or rmdir /S /Q)
Set back the Status Cache from None to Default and you should be fine again...
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Android emulator: How to monitor network traffic?
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I've found the emulators I use already now have tcpdump installed, and the command #1 works without installing one. You can also run it with "adb -e shell tcpdump -s0 -w /sdcard/emulator.cap".
– Les
Mar 21 '17 at 12:43
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Configuring Git over SSH to login once
...gen or ssh-add. In my ~/.ssh/ directory I only have two files: config and known_hosts. It seems that ssh-add requires another file ~/.ssh/id_rsa. Should I create that file first using ssh-keygen as @Jefromi explained?
– reprogrammer
Oct 20 '09 at 17:22
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How to overlay one div over another div
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thanks alex for your help but what I am finding now is that when I resize my window and drag it to be smaller, my info image is not staying with it's parent div. Basically want it to move with the parent div and stay pretty much at the same position even though the screen ...
Javascript : natural sort of alphanumerical strings
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This is now possible in modern browsers using localeCompare. By passing the numeric: true option, it will smartly recognize numbers. You can do case-insensitive using sensitivity: 'base'. Tested in Chrome, Firefox, and IE11.
Here's ...