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Weird PHP error: 'Can't use function return value in write context'

... You mean if (isset($_POST['sms_code']) == TRUE ) { though incidentally you really mean if (isset($_POST['sms_code'])) { share | improve thi...
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Skip a submodule during a Maven build

...your CI, you would run maven with the ci profile, i.e. mvn -P ci clean install share | improve this answer | follow | ...
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Why does 2 == [2] in JavaScript?

...h parseFloat(array). You can try it yourself in the console (eg Firebug or Web Inspector) to see what different Array values get converted to. parseFloat([2]); // 2 parseFloat([2, 3]); // 2 parseFloat(['', 2]); // NaN For Arrays, parseFloat performs the operation on the Array's first member, and ...
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MaterialDialog 对话框增强扩展 · App Inventor 2 中文网

...dialogId:要显示的对话框的唯一标识符。 when 按钮_显示.Click() { MaterialDialog1.Show("myDialog") } Dismiss 关闭对话框(dialogId) 以编程方式关闭当前正在显示的对话框。 dialogId:要关闭的对话框的唯一标识符。 ...
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Ruby: How to post a file via HTTP as multipart/form-data?

...o an HTTP POST that looks like an HMTL form posted from a browser. Specifically, post some text fields and a file field. 12...
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How to tell if JRE or JDK is installed

I have one computer that I intentionally installed JDK on. I have another computer with JRE, for, among other things, testing. However, when I got a java application working on this computer, and then tried it on another, it complained that JDK was required. How can I check if JDK was somehow instal...
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Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa

... Try this: String after = before.trim().replaceAll(" +", " "); See also String.trim() Returns a copy of the string, with leading and trailing whitespace omitted. regular-expressions.info/Repetition No trim() regex It's also possible to do this with just one re...
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Python - 'ascii' codec can't decode byte

I'm really confused. I tried to encode but the error said can't decode... . 7 Answers ...
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iOS: How to store username/password within an app?

...ta and kSecAttrAccount in Objective-C code, so be sure to cast them using (__bridge id), e.g., [keychainItem setObject:obj forKey:(__bridge id)kSecValueData]; – Joe Hankin Apr 6 '13 at 23:13 ...
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How can I tell if my server is serving GZipped content?

... I would suggest using -L flag for curl too to follow all redirects, e.g. from non-www to www. otherwise result of size_download may be wrong – vladkras Nov 21 '16 at 10:12 ...