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What's the difference between returning void and returning a Task?
...finally blocks are on the stack. So what do you do? We store the exception information in the Task, so that you can inspect it later. But if the method is void returning then there is no Task available to user code. How exactly we deal with that situation has been a matter of some controversy and I ...
How can I get a view's current width and height when using autolayout constraints?
...iews is called on a view like after a rotation). After that, the position info is in the frame property. Or are you seeing otherwise?
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mmap() vs. reading blocks
...ws)4.
Finally, even in user-space accessing such a mapping isn't exactly free (compared to large memory buffers not originating from a file-based mmap) - even once the page tables are set up, each access to a new page is going to, conceptually, incur a TLB miss. Since mmaping a file means using th...
rsync: difference between --size-only and --ignore-times
...t. It was what I expected --ignore-times to do so thank you for additional info.
– Joseph Connolly
Jan 25 '19 at 16:02
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Suppressing “is never used” and “is never assigned to” warnings in C#
...ypes with public fields probably do not belong in a public API). Just to reinforce your advice that such types should be “rather internal or private” ;-).
– binki
Jun 10 '14 at 3:28
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MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
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m_list.ScreenToClient(&point);
LVHITTESTINFO lvinfo;
lvinfo.pt = point;
lvinfo.flags = LVHT_ABOVE;
int nItem = m_list.SubItemHitTest(&lvinfo);
if(nItem != -1)
{
CString strtemp;
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For-each over an array in JavaScript
...ys a possible surprise hiding in long for and while loops).
It gives you a free scope for closures.
It reduces leakage of local variables and accidental collision with (and mutation of) outer variables.
Then when you do see the reverse for loop in your code, that is a hint that it is reversed for ...
How can I respond to the width of an auto-sized DOM element in React?
...idMount. The elements have already been placed in the DOM and you can get information about them from the component's refs.
For instance:
var Container = React.createComponent({
componentDidMount: function () {
// if using React < 0.14, use this.refs.svg.getDOMNode().offsetWidth
var...
Why switch is faster than if
...
@fivetwentysix: No, refer to this for info: artima.com/underthehood/flowP.html . Quote from article: When the JVM encounters a tableswitch instruction, it can simply check to see if the key is within the range defined by low and high. If not, it takes the default...
Git - How to use .netrc file on Windows to save user and password
...read-only credential helper (in contrib/) to interact with the .netrc/.authinfo files has been added.
That script would allow you to use gpg-encrypted netrc files, avoiding the issue of having your credentials stored in a plain text file.
Files with the .gpg extension will be decrypted by GPG ...