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Can I safely delete contents of Xcode Derived data folder?
...nd other make systems, even with out-of-source builds, the generated files etc are still inside the project's path, and are deleted if I delete the folder structure or cleaned when I perform a clean. Since I am marking approx 100 assignments every week or so, I get a huge build up of files that I n...
Can you delete multiple branches in one command with Git?
...ory, which has a ton of old branches: for example 3.2 , 3.2.1 , 3.2.2 , etc.
29 Answers
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How to combine class and ID in CSS selector?
...Ds for most of the elements you mention. The header, footer, nav, section etc. tags exist for a reason.
– Walter Schwarz
Feb 4 '14 at 16:24
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How to make a python, command-line program autocomplete arbitrary things NOT interpreter
...ng a shell-function that will generate possible completions, save it into /etc/bash_completion.d/ and register it with the command complete. Here's a snippet from the linked page:
_foo()
{
local cur prev opts
COMPREPLY=()
cur="${COMP_WORDS[COMP_CWORD]}"
prev="${COMP_WORDS[COMP_CWOR...
Separate Back Stack for each tab in Android using Fragments
...savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.app_main_tab_fragment_layout);
/*
* Navigation stacks for each tab gets created..
* tab identifier is used as key to get respective stack for each tab
*/
...
Two way sync with rsync
...reasonably improved upon by add-ons such as git-annex, large file storage, etc.
– alex
Jun 4 '15 at 10:05
3
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How to make my font bold using css?
...element in html, which is great semantically (also good for screen readers etc.), which typically renders as bold text:
See here, some <strong>emphasized text</strong>.
Or you can use the font-weight css property to style any element's text as bold:
span { font-weight: b...
What does it mean by select 1 from table?
... "Column is invalid in select because it is not contained in the GROUP BY" etc.
Therefore, a literal value must be used (because SQL doesn't allow a resultset with zero columns -- why?!) and the literal value 1 (INTEGER) is commonly used: if the HAVING clause evaluates TRUE then the resultset will...
How to update a value, given a key in a hashmap?
...bunch of other useful methods, such as putIfAbsent, getOrDefault, forEach, etc.
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How to read a text file into a list or an array with Python
... e.g., a file containing the alphabetic characters 3 by row (a,b,c, d,e,f, etc) and apply the procedure described above what you get is a list like this: ['a', 'b', 'c\nd', 'e', ... ] (note the item 'c\nd'). I'd like to add that, the above problem notwistanding, this procedure collapses data from i...