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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
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Excluding files/directories from Gulp task
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How can I undo git reset --hard HEAD~1?
...0 deletions(-)
create mode 100644 file1
$ echo "added new file" > file2
$ git add file2
$ git commit -m 'added file2'
Created commit f6e5064: added file2
1 files changed, 1 insertions(+), 0 deletions(-)
create mode 100644 file2
$ git reset --hard HEAD^
HEAD is now at 1a75c1d... added file1
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Extending Angular Directive
...ope of the third party directive via your directive's link method.
Option 2: You can also access a third party directive's scope by simply putting your own arbitrarily named directive on the same element with it (assuming neither directive uses isolate scope). All non-isolate scope directives on an...
ImportError: No module named Crypto.Cipher
When I try to run app.py (Python 3.3, PyCrypto 2.6) my virtualenv keeps returning the error listed above. My import statement is just from Crypto.Cipher import AES . I looked for duplicates and you might say that there are some, but I tried the solutions (although most are not even solutions) and n...
What is the LD_PRELOAD trick?
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If you set LD_PRELOAD to the path of a shared object, that file will be loaded before any other...
How do I concatenate strings and variables in PowerShell?
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Turn off Chrome/Safari spell checking by HTML/css
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Yes, there is the HTML5 spellcheck attribute.
<textarea spellcheck="false"> or <inpu...
TypeScript: problems with type system
I'm just testing typescript in VisualStudio 2012 and have a problem with its type system. My html site has a canvas tag with the id "mycanvas". I'm trying to draw a rectangle on this canvas. Here's the code
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In Jinja2, how do you test if a variable is undefined?
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From the Jinja2 template designer documentation:
{% if variable is defined %}
value of variable: {{ variable }}
{% else %}
variable is not defined
{% endif %}
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