大约有 19,000 项符合查询结果（耗时：0.0304秒） [XML]
“wait_fences: failed to receive reply: 10004003”?
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Override -viewDidAppear:, not -viewWillAppear, and make sure to call [super viewDidAppear:]. You should not perform animations when you are not on screen ("will appear"). And the -viewDidAppear: docs explain that you must call sup...
Responsively change div size keeping aspect ratio [duplicate]
When I give an image a percent width or height only it will grow/shrink keeping its aspect ratio, but if I want the same effect with another element, is it possible at all to tie the width and the height together using percentage?
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Daemon Threads Explanation
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Let's say you're making some kind of dashboard widget. As part of this, you want it to display the unread message count in your email box. So you make a little thread that will:
Connect to the mail server and ask how many unread messages you have.
Signal the GUI with t...
Is there a git-merge --dry-run option?
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As noted previously, pass in the --no-commit flag, but to avoid a fast-forward commit, also pass in --no-ff, like so:
$ git merge --no-commit --no-ff $BRANCH
To examine the staged changes:
$ git diff --cached
And you can undo the merge, even if it is a fast-forward merge:
$ git ...
Haml: Control whitespace around text
... is more ugly than space before this comma.
– Nash Bridges
Jun 29 '12 at 6:36
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When should i use npm with “-g” flag and why?
...node blog post.
The rules of thumb:
Install globally if the package provides command-line tools
Install locally if you're using the package as part of your application
Install globally and locally if both use-cases apply
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npm install from Git in a specific version
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@loretoparisi Sorry. I didn't meant to suggest adding v was necessary. After the #, the fragment should match the tag's full name (or other commitsh) – in your case, #1.0.0.
– Jonathan Lonowski
Apr 19 '16 at ...
img tag displays wrong orientation
...e the picture then wouldn't you just shift around the pixels and swap the width for the height?
– Jack Giffin
Oct 29 '17 at 1:02
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How to get progress from XMLHttpRequest
...he files it has to upload and the size of the uploaded data, so it can provide the progress info.
For the bytes downloaded (when getting the info with xhr.responseText), it is a little bit more difficult, because the browser doesn't know how many bytes will be sent in the server request. The only t...
Logging Clientside JavaScript Errors on Server [closed]
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You can also encrypt a token that includes the user's ID, IP, a small random string (to foil known-plaintext attacks if your encryption algorithm is fast but weak), and a timestamp and include that as a JS variable in the page. This can then be submitted with the error report a...