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How to detect the currently pressed key?
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if ((Control.ModifierKeys & Keys.Shift) != 0)
This will also be true if Ctrl+Shift is down. If you want to check whether Shift alone is pressed,
if (Control.ModifierKeys == Keys.Shift)
If you're in a class that inh...
Shorten string without cutting words in JavaScript
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If I understand correctly, you want to shorten a string to a certain length (e.g. shorten "The quick brown fox jumps over the lazy dog" to, say, 6 characters without cutting off any word).
If this is the case, you can try so...
Checking if a list is empty with LINQ
...e "best" (taking both speed and readability into account) way to determine if a list is empty? Even if the list is of type IEnumerable<T> and doesn't have a Count property.
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Check if object value exists within a Javascript array of objects and if not add a new object to arr
If I have the following array of objects:
18 Answers
18
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Why does Math.Round(2.5) return 2 instead of 3?
...age - it doesn't decide how Math.Round is implemented.
And secondly, no - if you read the docs, you'll see that the default rounding is "round to even" (banker's rounding):
Return ValueType: System.DoubleThe integer nearest a. If the
fractional component of a is halfway
between two integers...
How to compare two floating point numbers in Bash?
...niently
This can be done more conveniently using Bash's numeric context:
if (( $(echo "$num1 > $num2" |bc -l) )); then
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fi
Explanation
Piping through the basic calculator command bc returns either 1 or 0.
The option -l is equivalent to --mathlib; it loads the standard math library.
En...
What's the algorithm to calculate aspect ratio?
...integer solution like 16:9 rather than a float:1 solution like 1.77778:1.
If so, what you need to do is find the greatest common divisor (GCD) and divide both values by that. The GCD is the highest number that evenly divides both numbers. So the GCD for 6 and 10 is 2, the GCD for 44 and 99 is 11.
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Python `if x is not None` or `if not x is None`?
I've always thought of the if not x is None version to be more clear, but Google's style guide and PEP-8 both use if x is not None . Is there any minor performance difference (I'm assuming not), and is there any case where one really doesn't fit (making the other a clear winner for my convent...
How to configure Visual Studio to use Beyond Compare
... like to configure Visual Studio to open Beyond Compare by default as the diff tool. How can I do this?
10 Answers
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MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
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CMFCPopupMenu::SetForceMenuFocus(FALSE);
InitUserToolbars(NULL, uiFirstUserToolBarId, uiLastUserToolBarId);
EnablePaneMenu(TRUE, ID_VIEW_CUSTOMIZE, 0, ID_VIEW_TOOLBAR);
CDockingManager::SetDockingMode(DT_SMART);
EnableAutoHidePanes(CBRS_ALIGN_ANY);
EnableDocking(CBRS_ALIGN_ANY);
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