大约有 47,000 项符合查询结果（耗时：0.0510秒） [XML]
ALTER TABLE without locking the table?
...'ve been using MySQL for so long that I keep forgetting they have triggers now. I've used this technique and now I have a functional hot-alter script. With a progress bar. And it works with MyISAM. Life is good.
– Daniel
Jan 21 '09 at 12:10
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Calculate difference between two dates (number of days)?
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Yup, this is what I needed - most valuable answer cmon now nobody wants to think about Minutes and Seconds in calculating days
– solujic
Jun 13 '17 at 12:28
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How can I make the tabs work normally on Xcode 4?
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UPDATE for 2020:
Finally, almost 10 years later, Xcode 12 beta 3 now appears to mostly resolve the issue described here. There is a new Navigation Style option in the Navigation settings panel that controls this behavior.
Of course, this may change in subsequent betas or the final release ...
String is immutable. What exactly is the meaning? [duplicate]
...efore coming to any conclusion.
This is how String works:
String str = "knowledge";
This, as usual, creates a string containing "knowledge" and assigns it a reference str. Simple enough? Lets perform some more functions:
String s = str; // assigns a new reference to the same string "knowle...
CUDA incompatible with my gcc version
...s in newer CUDA toolchain release
As of the CUDA 4.1 release, gcc 4.5 is now supported. gcc 4.6 and 4.7 are unsupported.
As of the CUDA 5.0 release, gcc 4.6 is now supported. gcc 4.7 is unsupported.
As of the CUDA 6.0 release, gcc 4.7 is now supported.
As of the CUDA 7.0 release, gcc 4.8 is fully ...
ignoring any 'bin' directory on a git project
...won't stop tracking paths that are already being tracked just because they now match a new .gitignore pattern. Execute a folder remove (rm) from index only (--cached) recursivelly (-r). Command line example for root bin folder:
git rm -r --cached bin
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What is event bubbling and capturing?
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useCapture now supported in IE >= 9. source
– beatgammit
Aug 20 '13 at 17:10
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Does the APNS device token ever change, once created?
...ferent devices with the exact same APNS token. I see in front of me right now an iPad 2, and an iPhone 3GS that have sent us the same token. Can anyone else confirm this behavior?
– DougW
Jun 23 '12 at 1:26
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use Winmerge inside of Git to file diff
...mple git config diff.tool winmerge will be enough.
Git 2.5+ (Q2, 2015) is now aware of Winmerge as a diff or merge tool!
Original answer (2009-2012)
(msysgit, 1.6.5, DOS session)
The first part (using winmerge) is described in "How do I view ‘git diff’ output with visual diff program?"
C:...
When should I use Arrow functions in ECMAScript 6?
...a mid-sized AngularJS app) to JavaScript compiled using Traceur Babel. I'm now using the following rule of thumb for functions in ES6 and beyond:
Use function in the global scope and for Object.prototype properties.
Use class for object constructors.
Use => everywhere else.
Why use arrow func...