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do N times (declarative syntax)
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This answer is based on Array.forEach, without any library, just native vanilla.
To basically call something() 3 times, use:
[1,2,3].forEach(function(i) {
something();
});
considering the following function:
function something(){ console.log('somet...
How do I install an R package from source?
...ote the INSTALL_opts option can be used to pass options to R CMD INSTALL. For, example "--no-multiarch"
– Andy Barbour
Jul 3 '13 at 5:40
2
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Min/Max-value validators in asp.net mvc
... really nice. I have been using the [Range(min, max)] validator this far for checking values, like e.g.:
4 Answers
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Number of elements in a javascript object
...d the non-standard __count__, but it has been removed with version 1.8.5.
For cross-browser scripting you're stuck with explicitly iterating over the properties and checking hasOwnProperty():
function countProperties(obj) {
var count = 0;
for(var prop in obj) {
if(obj.hasOwnProper...
How to pick just one item from a generator?
... next(gen, default) may also be used to avoid the StopIteration exception. For example next(g, None) for a generator of strings will either yield a string or None after the iteration was finished.
– Attila
Mar 6 '13 at 14:18
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Separation of business logic and data access in django
...an find the business logic and entities as perceived by your end user, the former is where you actually store your data.
Furthermore, I've interpreted the 3rd part of your question as: how to notice failure to keep these models separate.
These are two very different concepts and it's always hard to ...
What are 'get' and 'set' in Swift?
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That's actually explained right before the code:
In addition to simple properties that are stored, properties can have a getter and a setter.
class EquilateralTriangle: NamedShape {
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When some other class wants to get that perimeter variable, they ...
Remove a cookie
...loper tools in chrome, I can see that the expire time is set to 1 second before the epoch (e.g. 1969-12-31 23:59:59) however when I next submit the page the cookie is submitted to the server. When I changed the -1 to 1 (e.g. 1970-01-01 00:00:01) to give the following command: setcookie('Hello',...
SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
...是什么时候构建的，我在线程启动例程找到答案：ntdll32!_RtlUserThreadStart()里。0:000:x86> uf ntdll32!_Rt...线程的第 1 个 SEH 结构是什么时候构建的，我在线程启动例程找到答案：ntdll32!_RtlUserThreadStart() 里。
0:000:x86> uf ntdll32!_RtlU...
django admin - add custom form fields that are not part of the model
...ite. One of its fields is a long string expression. I'd like to add custom form fields to the add/update page of this model in the admin that based on these fields values I will build the long string expression and save it in the relevant model field.
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