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Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin

...URLSession sharedSession] dataTaskWithURL:url completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) { if (data) { UIImage *image = [UIImage imageWithData:data]; if (image) { dispatch_async(dispatch_...
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Random “Element is no longer attached to the DOM” StaleElementReferenceException

...bara appears to be pretty smart about waiting for DOM changes (see Why wait_until was removed from Capybara ), but the default wait time of 2 seconds was simply not enough in my case. Changed in _spec_helper.rb_ with e.g. Capybara.default_max_wait_time = 5 ...
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Getting the error “Missing $ inserted” in LaTeX

... mode (which is delimited by $ characters). Try escaping them; e.g. update\_element instead of update_element. However, if you're trying to display code, a better solution would be to use the \verb command, which will typeset the text in a monospaced font and will automatically handle underscores a...
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How to update Python?

...stalled and their versions. Some were installed by PortablePython. Use easy_install pip to install pip if it wasn't installed. If OP has 2.7.x and wants to install a different version, e.g. <=2.6.x or >=3.x.x, then installing different versions side-by-side is fine. You must choose which vers...
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Current time in microseconds in java

... On Linux, System.nanoTime() calls clock_gettime(CLOCK_MONOTONIC,_). Brian Oxley dug into Java's source code to find this nugget. – David Weber Aug 12 '14 at 13:18 ...
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Should IBOutlets be strong or weak under ARC?

...efault and that the developer docs are being updated. https://twitter.com/_danielhall/status/620716996326350848 https://twitter.com/_danielhall/status/620717252216623104 share | improve this ans...
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jQuery date formatting

...stion. It works well for me in a slightly different syntax/context: var dt_to = $.datepicker.formatDate('yy-mm-dd', new Date()); If you decide to utilize datepicker from JQuery UI, make sure you use proper references in your document's < head > section: <link rel="stylesheet" href="http...
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Automatically capture output of last command into a variable using Bash?

...y getting at results. That being said, here is the "solution": PROMPT_COMMAND='LAST="`cat /tmp/x`"; exec >/dev/tty; exec > >(tee /tmp/x)' Set this bash environmental variable and issues commands as desired. $LAST will usually have the output you are looking for: startide seth> ...
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Update Eclipse with Android development tools v. 23

...a previous version of the tools: http://dl.google.com/android/android-sdk_r22.6.2-linux.tgz http://dl.google.com/android/android-sdk_r22.6.2-windows.zip http://dl.google.com/android/android-sdk_r22.6.2-macosx.zip and copy over the following files: tools/hprof-conv tools/support/annotations.ja...
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Can anonymous class implement interface?

...inFu project you can replace select new { A = value.A, B = value.C + "_" + value.D }; with select new DynamicObject(new { A = value.A, B = value.C + "_" + value.D }).CreateDuck<DummyInterface>(); shar...