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Execute the setInterval function without delay the first time
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It's simplest to just call the function yourself directly the first time:
foo();
setInterval(foo, delay);
However there are good reasons to avoid setInterval - in particular in some circumstances a whole load of setInterval events can arrive imm...
angular.service vs angular.factory
... myInjectedFactory can be an object, a function reference, or any value at all. For example, if you wrote a service to create a constructor (as in the last example above), it would have to be instantiated like so:
var myShinyNewObject = new myInjectedService.myFunction()
which is arguably less desi...
Using global variables between files?
...e project, with around 50 files, and I need to define global variables for all those files.
6 Answers
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How does one generate a random number in Apple's Swift language?
... introduces new easy-to-use random functions for many data types.
You can call the random() method on numeric types.
let randomInt = Int.random(in: 0..<6)
let randomDouble = Double.random(in: 2.71828...3.14159)
let randomBool = Bool.random()
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How to var_dump variables in twig templates?
... layer pattern where you only present what you have been given is fine and all, but how do you know what is available? Is there a "list all defined variables" functionality in TWIG? Is there a way to dump a variable?
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sphinx-build fail - autodoc can't import/find module
...can use the Makefile created by Sphinx to create your documentation.
Just call
make
to see the options.
If something went wrong before try:
make clean
before running make html.
share
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improv...
“Keep Me Logged In” - the best approach
...e algorithm that you used. For example:
md5(salt+username+ip+salt)
Now, all an attacker needs to do is brute force the "salt" (which isn't really a salt, but more on that later), and he can now generate all the fake tokens he wants with any username for his IP address! But brute-forcing a salt is...
解决：error while loading shared libraries: libpcre.so.1: cannot open ...
... (0x00282000)
/lib/ld-linux.so.2 (0x0010d000)
查找lib库文件的位置（可以使用命令 whereis xxx ），并把目录添加到/etc/ld.so.conf.d/libc.conf中，没有则新建这个文件。然后再运行ldconfig才可以生效。
解决：用以下shell命令解决：（用roo...
How do I use installed packages in PyCharm?
...you use the os (ex. apt-get), or pip in a virtualenv, packages will be installed to a location already on the path.
In your example, GNU Radio is installed to the system Python 2's standard site-packages location, which is already in the path. Pointing PyCharm at the correct interpreter is enough;...
How to declare string constants in JavaScript? [duplicate]
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There's no constants in JavaScript, but to declare a literal all you have to do is:
var myString = "Hello World";
I'm not sure what you mean by store them in a resource file; that's not a JavaScript concept.
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