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Adding information to an exception?

... I'd do it like this so changing its type in foo() won't require also changing it in bar(). def foo(): try: raise IOError('Stuff') except: raise def bar(arg1): try: foo() except Exception as e: raise type(e)(e.message + ...
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Java 8: How do I work with exception throwing methods in streams?

...meException. A normal wrapping idiom is something like: private void safeFoo(final A a) { try { a.foo(); } catch (Exception ex) { throw new RuntimeException(ex); } } (Supertype exception Exception is only used as example, never try to catch it yourself) Then you can ...
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fs: how do I locate a parent folder?

... Try this: fs.readFile(__dirname + '/../../foo.bar'); Note the forward slash at the beginning of the relative path. share | improve this answer | ...
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Git: How to remove file from index without deleting files from any repository

...o the file, they will get conflicts. To resolve such conflicts, use git rm foo.conf && git rebase --continue (if the conflicting commit has changes besides those to the removed file) or git rebase --skip (if the conflicting commit has only changed to the removed file). Restore File as Untra...
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Is it possible to forward-declare a function in Python?

...st, but it's clean. You could create a recursion like the following: def foo(): bar() def bar(): foo() Python's functions are anonymous just like values are anonymous, yet they can be bound to a name. In the above code, foo() does not call a function with the name foo, it calls a funct...
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What's the difference between using “let” and “var”?

...sing block denoted by { } (hence the block scope). function run() { var foo = "Foo"; let bar = "Bar"; console.log(foo, bar); { let baz = "Bazz"; console.log(baz); } console.log(baz); // ReferenceError } run(); The reason why let keyword was introduced to the language was f...
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What is the difference between self::$bar and static::$bar in PHP?

...eferring to the class within which you use the keyword. In this case, your Foo class defines a protected static property called $bar. When you use self in the Foo class to refer to the property, you're referencing the same class. Therefore if you tried to use self::$bar elsewhere in your Foo class ...
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ViewBag, ViewData and TempData

... automatically evicted. The pattern is the following: public ActionResult Foo() { // store something into the tempdata that will be available during a single redirect TempData["foo"] = "bar"; // you should always redirect if you store something into TempData to // a controller acti...
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家政O2O百家争鸣后的卡位战:烧钱补贴并非良药 - 资讯 - 清泛网移动版 - 专...

...慢慢留下来,差的阿姨逐渐被淘汰的优胜劣汰过程,不过这个过程需要一定时间。 烧钱补贴并非良药 无论是国内还是国外,烧钱已经成为企业撬动市场最快的方式,但家政O2O鼻祖Homejoy倒下的案例有力地证明了烧钱之道并非良...
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家政O2O百家争鸣后的卡位战:烧钱补贴并非良药 - 资讯 - 清泛网移动版 - 专...

...慢慢留下来,差的阿姨逐渐被淘汰的优胜劣汰过程,不过这个过程需要一定时间。 烧钱补贴并非良药 无论是国内还是国外,烧钱已经成为企业撬动市场最快的方式,但家政O2O鼻祖Homejoy倒下的案例有力地证明了烧钱之道并非良...