大约有 30,000 项符合查询结果（耗时：0.0523秒） [XML]
Fastest way to check if a string is JSON in PHP?
...true number. 6.5 = true, '300' = true, 9 = true etc. So this might be a valid JSON value but the function might not behave as you expect, if you want to check only for valid JSON strings with {} or [];
– BadHorsie
Feb 25 '14 at 16:57
...
Why is typeof null “object”?
...to learn it. Just because a person doesn't exist yet, doesn't necessarily mean they don't matter, it just means they're defenseless.
– Seph Reed
Sep 15 '19 at 4:04
...
How can I handle time zones in my webapp?
...
What do we mean by "timezone" It seems ambiguously used. This looks like a reference: en.wikipedia.org/wiki/Tz_database From what I can tell a "timezone" is "Area/Location", e.g. "America/New_York". That appears to be geographic wh...
What's the difference between including files with JSP include directive, JSP include action and usi
.... But custom tags have a rich set of features. They can
Be customized by means of attributes passed from the calling page.
Pass variables back to the calling page.
Access all the objects available to JSP pages.
Communicate with each other. You can create and initialize a JavaBeans component, creat...
What is a Y-combinator? [closed]
... support lambda functions. The expression-based nature of lambdas usually means that they cannot refer to themselves by name. And working around this by way of declaring the variable, refering to it, then assigning the lambda to it, to complete the self-reference loop, is brittle. The lambda vari...
How are msys, msys2, and msysgit related to each other?
...othing to do with developing Git for Windows further.
Happily, in the meantime the MSys2 project (https://msys2.github.io/)
emerged, and was chosen to be the base of the Git for Windows 2.x.
Just like MSys, MSys2 is a stripped down version of Cygwin, but it is
actively kept up-to-date wit...
iPhone viewWillAppear not firing
...ur view hierarchy just right. My problem is I can't figure out what that means.
27 Answers
...
Escaping single quote in PHP when inserting into MySQL [duplicate]
...ve magic_quotes_gpc turned on (which you should know is a bad idea). This means that strings gathered from $_GET, $_POST and $_COOKIES are escaped for you (i.e., "O'Brien" -> "O\'Brien").
Once you store the data, and subsequently retrieve it again, the string you get back from the database will...
CFBundleVersion in the Info.plist Upload Error
...g and the version number you provided in iTunes Connect should match. That means that if you show your version number in the app you use CFBundleShortVersionString. The CFBundleVersion should be also increased and that is the one Apple uses to determine if you are submitting an updated version of yo...
Remove specific commit
...ove altogether only the last commit:
git reset --soft "HEAD^"
Note: Avoid git reset --hard as it will also discard all changes in files since the last commit. If --soft does not work, rather try --mixed or --keep.
Rebase (show the log of the last 5 commits and delete the lines you don't want, ...