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Running multiple async tasks and waiting for them all to complete
I need to run multiple async tasks in a console application, and wait for them all to complete before further processing.
9...
Test whether a glob has any matches in bash
...compgen -G "<glob-pattern>"
Escape the pattern or it'll get pre-expanded into matches.
Exit status is:
1 for no-match,
0 for 'one or more matches'
stdout is a list of files matching the glob.
I think this is the best option in terms of conciseness and minimizing potential side effect...
Fastest Way of Inserting in Entity Framework
... for example 100 records.
Call SaveChanges() after for example 100 records and dispose the context and create a new one.
Disable change detection
For bulk inserts I am working and experimenting with a pattern like this:
using (TransactionScope scope = new TransactionScope())
{
MyDbContext con...
How do HTML parses work if they're not using regexp?
...s every day asking how to parse or extract something from some HTML string and the first answer/comment is always "Don't use RegEx to parse HTML, lest you feel the wrath!" (that last part is sometimes omitted).
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Allowed characters in filename [closed]
...bitten by that once when I shortened an include file from const.h to con.h and spent half an hour figuring out why the compiler hung.
Turns out DOS ignored extensions for devices so that con.h was exactly the same as con, the input console (meaning, of course, the compiler was waiting for me to typ...
Generating all permutations of a given string
...all the permutations of a string. E.g. permutation for ba , would be ba and ab , but what about longer string such as abcdefgh ? Is there any Java implementation example?
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nodeJs callbacks simple example
...have already searched for the same on many websites but not able to understand it properly, Please give me a simple example.
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Is Java's assertEquals method reliable?
...hat String.equals() is a better approach. Well, I'm doing JUnit testing and my inclination is to use assertEquals(str1, str2) . Is this a reliable way to assert two Strings contain the same content? I would use assertTrue(str1.equals(str2)) , but then you don't get the benefit of seeing what ...
Binding an enum to a WinForms combo box, and then setting it
... displayed the name in code of each value, which is subject to refactoring and not user friendly most times.
– Alejandro
Sep 28 '14 at 17:49
5
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How can I transition height: 0; to height: auto; using CSS?
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Use max-height in the transition and not height. And set a value on max-height to something bigger than your box will ever get.
See JSFiddle demo provided by Chris Jordan in another answer here.
#menu #list {
max-height: 0;
transition: max-he...