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How can I undo git reset --hard HEAD~1?
...0 deletions(-)
create mode 100644 file2
$ git reset --hard HEAD^
HEAD is now at 1a75c1d... added file1
$ cat file2
cat: file2: No such file or directory
$ git reflog
1a75c1d... HEAD@{0}: reset --hard HEAD^: updating HEAD
f6e5064... HEAD@{1}: commit: added file2
$ git reset --hard f6e5064
HEAD i...
Markdown and image alignment
...)
Note the added URL hash #center.
Now add this rule in CSS using CSS 3 attribute selectors to select images with a certain path.
img[src*='#left'] {
float: left;
}
img[src*='#right'] {
float: right;
}
img[src*='#center'] {
display: block;
ma...
How to validate an email address in PHP
...xists. The only way to find that out is by sending a confirmation mail.
Now that you have your easy answer feel free to read on about email address validation if you care to learn or otherwise just use the fast answer and move on. No hard feelings.
Trying to validate an email address using a re...
Mockito: List Matchers with generics
...emoved in Mockito 3. Deprecated because Java 8 compiler can infer the type now.
– Kip
Nov 29 '16 at 0:02
@artbristol d...
What are the drawbacks of Stackless Python? [closed]
...
I don't know where that "Stackless is 10% faster" on the Wiki came from, but then again I've never tried to measure those performance numbers. I can't think of what Stackless does to make a difference that big.
Stackless is an amazin...
PHP mkdir: Permission denied problem
...
I know this is an old thread, but it needs a better answer. You shouldn't need to set the permissions to 777, that is a security problem as it gives read and write access to the world. It may be that your apache user does not ha...
Android Studio Stuck at Gradle Download on create new project
...he android studio. It just makes android studio a more fragmented software now with all pieces here and there.
– Ankit Tanna
May 23 '15 at 5:54
...
How do I invoke a Java method when given the method name as a string?
... Was a little upset by the fact that Java uses type erasure, but knowing that at least it has Reflection cheers me up again :D And now with lambdas in Java 8 the language is really getting up to speed with modern development. Only thing missing now is native support to getters and setters, ...
In which scenario do I use a particular STL container?
...in my book on C++, specifically the section on the STL and its containers. Now I do understand each and every one of them have their own specific properties, and I'm close to memorizing all of them... But what I do not yet grasp is in which scenario each of them is used.
...
Flask-SQLAlchemy how to delete all rows in a single table
... a similar kind of a situation. Say there are 4 records in the table as of now, from id 1 to 4. When I do a db.session.query(Table_name).delete() db.session.commit() and then if I do a db.session.add() again to add new records, the next record gets an id of 5. Since my table is now empty, I want my ...