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TypeScript: problems with type system
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Since TypeScript 1.8, it will recognize the constant string argument "2d", and .getContext("2d") will return with the type CanvasRenderingContext2D. You don't need to cast it explicitly.
– Markus Jarderot
Jun 13 '16 at 5:55
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RegEx backreferences in IntelliJ
...ables with dollar-curly wrappers, ie, '+ var +' to ${var} in some template strings and couldn't figure out why intellij wouldn't finish the replacement. turns out $ needs to be escaped in the replacement.
– worc
Oct 18 '17 at 21:39
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How to resize an Image C#
...rs, including mine:
public Image resizeImage(int newWidth, int newHeight, string stPhotoPath)
{
Image imgPhoto = Image.FromFile(stPhotoPath);
int sourceWidth = imgPhoto.Width;
int sourceHeight = imgPhoto.Height;
//Consider vertical pics
if (sourceWidth < sourceHeight)...
Client-server synchronization pattern / algorithm?
...complex object composed of many parts, but a key-value pair is but a short string or a number. Therefore, in this case we can use a more simple strategy of conflict resolution, considering the value more relevant, if it has been the last to change.
Syncing of data structured as a tree or a graph is ...
Display current date and time without punctuation
... or newer):
${parameter@operator} - P operator
The expansion is a string that is the result of expanding the value of parameter as if it were a prompt string.
$ show_time() { local format='\D{%Y%m%d%H%M%S}'; echo "${format@P}"; }
$ show_time
20180724003251
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Url.Action parameters?
...ntroller action passing the two parameters:
public ActionResult GetByList(string name, string contact)
{
...
}
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How do you create optional arguments in php?
... a null check. Literals include arrays (array() or []), booleans, numbers, strings, and null.
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How to form tuple column from two columns in Pandas
...rtable with zip. It comes in handy when dealing with column data.
df['new_col'] = list(zip(df.lat, df.long))
It's less complicated and faster than using apply or map. Something like np.dstack is twice as fast as zip, but wouldn't give you tuples.
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How do I escape the wildcard/asterisk character in bash?
...e variables to prevent strange behaviour" -- when you want to use them as strings
– Angelo
Oct 21 '15 at 15:24
See al...
How do you use an identity file with rsync?
...ight make a difference. Try replacing ~ with $HOME. Try double-quoting the string for the -e option.
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