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Handle file download from ajax post

...p that sends ajax POST requests to a certain URL. Response might be a JSON string or it might be a file (as an attachment). I can easily detect Content-Type and Content-Disposition in my ajax call, but once I detect that the response contains a file, how do I offer the client to download it? I've re...
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maxlength ignored for input type=“number” in Chrome

...rch, password, tel, or url, this attribute specifies the maximum number of characters (in Unicode code points) that the user can enter; for other control types, it is ignored. So maxlength is ignored on <input type="number"> by design. Depending on your needs, you can use the min and max at...
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Why Java needs Serializable interface?

...e annoyance when dealing with pure java, like some flaws in collection and string processing in standard library. Happily there's Kryo, but it is dependency and one needs to find it first. This is how built-in serialization should have been done. – dmitry Aug 7...
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iOS 7: UITableView shows under status bar

...eck "Shows Navigation Bar" in the inspector. This solves the issue with no extra tweaking needed, and it also preserves your UITableViewController's scene in the storyboard. Using AutoLayout and embedding the UITableView into another view (I believe this is how Apple wants us to do this): Create an ...
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What is the difference between and ? [duplicate]

...amic or static please can you help me here thanks or it will be treated as string ${someVar} – shareef Dec 8 '14 at 13:32 ...
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Stop the 'Ding' when pressing Enter

...xtBox1_KeyPress(object sender, KeyPressEventArgs e) { if (e.KeyChar == (char)Keys.Enter) { e.Handled = true; button1.PerformClick(); } } and say peace to the 'Ding' s...
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In Gradle, how do I declare common dependencies in a single place?

...on COMPILE_SDK_VERSION as int buildToolsVersion BUILD_TOOLS_VERSION as String defaultConfig { minSdkVersion MIN_SDK_VERSION as int targetSdkVersion TARGET_SDK_VERSION as int versionCode 1 versionName "1.0" } } dependencies { compile "com.android.suppo...
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Why is sizeof considered an operator?

...operator rather than a function. For instance: union foo { int i; char c[sizeof(int)]; }; Syntactically if it weren't an operator then it would have to be a preprocessor macro since functions can't take types as arguments. That would be a difficult macro to implement since sizeof can take...
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Export specific rows from a PostgreSQL table as INSERT SQL script

...y) and add it as the 'driver' of the postgresql conneciton. The connection string (or URL as in the interface) should look like that: jdbc:postgresql://127.0.0.1:5432/db_name – mrmuggles Jul 13 '16 at 6:30 ...
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap

...ey are used to define at which screen size that class should apply: xs = extra small screens (mobile phones) sm = small screens (tablets) md = medium screens (some desktops) lg = large screens (remaining desktops) Read the "Grid Options" chapter from the official Bootstrap documentation f...