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What is the difference between RegExp’s exec() function and String’s match() function?
.....
re_once = /([a-z])([A-Z])/
re_glob = /([a-z])([A-Z])/g
st = "aAbBcC"
console.log("match once="+ st.match(re_once)+ " match glob="+ st.match(re_glob))
console.log("exec once="+ re_once.exec(st) + " exec glob="+ re_glob.exec(st))
console.log("exec once="+ re_once.exec(st) + " exe...
Split (explode) pandas dataframe string entry to separate rows
...[134]:
aaa myid num text
0 10 1 [1, 2, 3] [aa, bb, cc]
1 11 2 [] []
2 12 3 [1, 2] [cc, dd]
3 13 4 [] []
In [135]: explode(df, ['num','text'], fill_value='')
Out[135]:
aaa myid num text
0 10 1 1 ...
The quest for the Excel custom function tooltip
...r the Excel Add-in Manager. http://msdn.microsoft.com/en-us/library/office/bb687861.aspx
How you develop the XLL?
Excel XLL SDK with Visual C++ (or anything that can compile a DLL and call the SDK procedures)
Where I can find a quick guide for creating a simple XLL?
http://support.micros...
What is “git remote add …” and “git push origin master”?
...ps://github.com/user/first-app-git.git
And For BitBucket
git remote add bb_origin https://user@bitbucket.org/user/first-app-git.git
I have used two variables ( as far it is easy for me to call them variables ) gh_origin ( gh FOR GITHUB ) and bb_origin ( bb for BITBUCKET ) just to explain you we...
Git clone particular version of remote repository
...:01 2010 -0300
Added a custom extension.
commit 4553c1466c437bdd0b4e7bb35ed238cb5b39d7e7
Author: Jardel Weyrich <suppressed>
Date: Wed Aug 18 20:13:48 2010 -0300
Missing constness.
$ git checkout 4553c1466c437bdd0b4e7bb35ed238cb5b39d7e7
Note: moving to '4553c1466c437bdd0b4e7bb35e...
How to instantiate a File object in JavaScript?
...
Update
BlobBuilder has been obsoleted see how you go using it, if you're using it for testing purposes.
Otherwise apply the below with migration strategies of going to Blob, such as the answers to this question.
Use a Blob inste...
Uppercase Booleans vs. Lowercase in PHP
...Mar 2006 09:04:48 +0000 (09:04 +0000)
commit d51599dfcd3282049c7a91809bb83f665af23b69
tree 05b23b2f97cf59422ff71cc6a093e174dbdecbd3
parent a623645b6fd66c14f401bb2c9e4a302d767800fd
Commits d51599dfcd3282049c7a91809bb83f665af23b69 (and 6f76b17079a709415195a7c27607cd52d039d7c3)
...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...ts standard Hex colors in the form of strings. For example: "#AA6622" or "#bb551144".
Auto-detects and accepts standard RGB colors in the form of strings. For example: "rgb(123,45,76)" or "rgba(45,15,74,0.45)".
Shades colors to white or black by percentage.
Blends colors together by percentage.
Does...
Elements order in a “for (… in …)” loop
...;
// ...but remembers the old position if it is added back later
obj.b = 'bb';
for (var p in obj) {
alert(obj[p]); // in IE, will be a, bb, then c;
// not a, c, then bb as for FF/Chrome/Opera/Safari
}
The desire for changing the spec to fix the iteration order seems to be q...
How to test if list element exists?
...
rlang::has_name() can do this too:
foo = list(a = 1, bb = NULL)
rlang::has_name(foo, "a") # TRUE
rlang::has_name(foo, "b") # FALSE. No partial matching
rlang::has_name(foo, "bb") # TRUE. Handles NULL correctly
rlang::has_name(foo, "c") # FALSE
As you can see, it inherentl...