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How does the vim “write with sudo” trick work?
...cified file(s) and also sends it to standard output, which can be captured by the next piped command.
For example, in ps -ax | tee processes.txt | grep 'foo', the list of processes will be written to a text file and passed along to grep.
+-----------+ tee +------------+
| ...
CSS performance relative to translateZ(0)
... the performance gain in 'tricking' the GPU to think that an element is 3D by using transform: translateZ(0) to speed up animations and transitions. I was wondering if there are implications to using this transform in the following manner:
...
What is the best way to prevent session hijacking?
...mited time physical access to a filesystem. Imagine a laptop left unlocked by a colleague rushing to the toilet, now all I need to do is to go to that laptop, install EditThisCookie plugin, grab his cookies at plus.google.com using EditThisCookie export feature and now I have his account. Time taken...
Abort makefile if variable not set
...ider it OK (defined):
recursive_empty = $(explicitly_empty)
As suggested by @VictorSergienko in the comments, a slightly different behavior may be desired:
$(if $(value $1) tests if the value is non-empty. It's sometimes OK if the variable is defined with an empty value. I'd use $(if $(filter ...
Setting the default Java character encoding
How do I properly set the default character encoding used by the JVM (1.5.x) programmatically?
17 Answers
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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa
...ining "WHERE [title] IS NULL", to make sure the title has not been changed by someone else.
LINQ looks up the properties of
[title] in the mapping.
LINQ will find [title] NOT NULLable.
Since [title] is NOT NULLable, by
logic it never could be NULL!
So, optimizing the query, LINQ
replaces it with "wh...
Difference between maven scope compile and provided for JAR packaging
...
@Jacob what is meant by "whereas compile scope is available in all classpaths."?
– Geek
Apr 2 '13 at 7:24
1
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Flatten nested dictionaries, compressing keys
...n a nested list, you just have to do the extra work for iterating the dict by key/value, creating new keys for your new dictionary and creating the dictionary at final step.
import collections
def flatten(d, parent_key='', sep='_'):
items = []
for k, v in d.items():
new_key = paren...
How can I make a UITextField move up when the keyboard is present - on starting to edit?
...not needed.)
The standard way to prevent the TextFields from being covered by the keyboard is to move the view up/down whenever the keyboard is shown.
Here is some sample code:
#define kOFFSET_FOR_KEYBOARD 80.0
-(void)keyboardWillShow {
// Animate the current view out of the way
if (self...
AES vs Blowfish for file encryption
... Blowfish attempts to make a brute-force (key-exhaustion) attack difficult by making the initial key setup a fairly slow operation. For a normal user, this is of little consequence (it's still less than a millisecond) but if you're trying out millions of keys per second to break it, the difference i...