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Difference between freeze and seal
...’t be reassigned, but the value of obj.el could be modified, e.g. obj.el.id can be changed.
Performance:
Sealing or freezing an object may affect its enumeration speed, depending on the browser:
Firefox: enumeration performance is not impacted
IE: enumeration performance impact is negligible...
Regex not operator
...rect not operator. At least not the way you hope for.
You can use a zero-width negative lookahead, however:
\((?!2001)[0-9a-zA-z _\.\-:]*\)
The (?!...) part means "only match if the text following (hence: lookahead) this doesn't (hence: negative) match this. But it doesn't actually consume the c...
C++ template typedef
...
@StackedCrooked: Depends on his goals. I avoid inheritance when composition will do (and yeah, inheriting constructors will make both of these easier), but I also avoid composition when a typedef will do.
– GManNickG
Aug 24 '12 at...
Git: Permission denied (publickey) fatal - Could not read from remote repository. while cloning Git
...the following in terminal on GitBash, OSX or Linux:
# Lists already added identities (‘ssh keys’)
ssh-add -l
Then, if you don't see your key listed, add it with the following (replace identity with its real name):
# Add a new identity
ssh-add ~/.ssh/identity
This worked for me.
...
Can you get the column names from a SqlDataReader?
...mes were all uppercase unless I used quotes around the column name. SELECT id AS "MyId" FROM table;
– styfle
Jul 13 '13 at 0:02
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PHP Sort Array By SubArray Value
...
That doesn't really helpe me as usort requires I provide it a function to use - which is the difficult bit I can't get my head round
– Sjwdavies
Mar 19 '10 at 13:15
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adding and removing classes in angularJs using ng-click
... exact way it should be done. Below is a snippet of my code. Can someone guide me in the right direction
10 Answers
...
How to subtract 2 hours from user's local time?
... edited Aug 16 '16 at 12:12
David Salamon
1,8752323 silver badges2727 bronze badges
answered Feb 9 '11 at 9:40
...
MbUnit under Linux, used within an F# project?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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insert a NOT NULL column to an existing table
...n initially create Null-able column, then update your table column with valid not null values and finally ALTER column to set NOT NULL constraint:
ALTER TABLE MY_TABLE ADD STAGE INT NULL
GO
UPDATE MY_TABLE SET <a valid not null values for your column>
GO
ALTER TABLE MY_TABLE ALTER COLUMN STAG...