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Change the current directory from a Bash script
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What's the big difference between defining a function and creating an alias?
– HelloGoodbye
Jun 17 '15 at 20:46
1
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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
If you're going to build, say, a directory structure where a directory is named for a commit in a Git repository, and you want it to be short enough to make your eyes not bleed, but long enough that the chance of it colliding would be negligible, how much of the SHA substring is generally required?
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Sorting a vector of custom objects
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and another question/note: if one would like to have multiple sorting methods (for different attributes) in a class the way of overloading the < operator is probably not an option, right?
– kluka
May 15 '13 at ...
In MySQL, can I copy one row to insert into the same table?
...y = NULL;
INSERT INTO table SELECT * FROM tmptable_1;
DROP TEMPORARY TABLE IF EXISTS tmptable_1;
As a temp table, there should never be more than one record, so you don't have to worry about the primary key. Setting it to null allows MySQL to choose the value itself, so there's no risk of creating...
How do I set a column value to NULL in SQL Server Management Studio?
...ld set the entire column to null as the Question Title asks.
To set a specific row on a specific column to null use:
Update myTable set MyColumn = NULL where Field = Condition.
This would set a specific cell to null as the inner question asks.
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How do you format an unsigned long long int using printf?
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Use the ll (el-el) long-long modifier with the u (unsigned) conversion. (Works in windows, GNU).
printf("%llu", 285212672);
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Avoid dropdown menu close on click inside
...dropdown to close it like this :
$('body').on('click', function (e) {
if (!$('li.dropdown.mega-dropdown').is(e.target)
&& $('li.dropdown.mega-dropdown').has(e.target).length === 0
&& $('.open').has(e.target).length === 0
) {
$('li.dropdown.mega-drop...
How do I convert from stringstream to string in C++?
...derlying string object.
1) Returns a copy of the underlying string as if by calling rdbuf()->str().
2) Replaces the contents of the underlying string as if by calling rdbuf()->str(new_str)...
Notes
The copy of the underlying string returned by str is a temporary object that...
Append a dictionary to a dictionary [duplicate]
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You can do
orig.update(extra)
or, if you don't want orig to be modified, make a copy first:
dest = dict(orig) # or orig.copy()
dest.update(extra)
Note that if extra and orig have overlapping keys, the final value will be taken from extra. For example,
&g...
SVN encrypted password store
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It is a client issue. It warns you that the credentials used for the different servers are being stored in plain text. You can hide that warning or use an encrypted storage to cache the passwords.
See: http://blogs.collab.net/subversion/2009/07/subversion-16-security-improvements/
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