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When would I need a SecureString in .NET?
...to the Swap file or in core dumps. The encryption is more like obfuscation and won't stop a determined hacker, though, who would be able to find the symmetric key used to encrypt and decrypt it.
As others have said, the reason you have to create a SecureString character-by-character is because of t...
Change bootstrap navbar collapse breakpoint without using LESS
...r question, below 768px, the navbar will collapse, so apply it above 768px and below 1000px, just like that:
@media (min-width: 768px) and (max-width: 1000px) {
.collapse {
display: none !important;
}
}
This will hide the navbar collapse until the default occurrence of the bootstrap ...
Ruby: Easiest Way to Filter Hash Keys?
...t { |key, value| key.to_s.match(/^choice\d+/) }
or you can use delete_if and modify the existing Hash e.g.
params.delete_if { |key, value| !key.to_s.match(/choice\d+/) }
or if it is just the keys and not the values you want then you can do:
params.keys.select { |key| key.to_s.match(/^choice\d+...
Recover unsaved SQL query scripts
...somebody stumbles into same problem.
Googled for Retrieve unsaved Scripts and found a solution.
Run the following select script. It provides a list of scripts and its time of execution in the last 24 hours. This will be helpful to retrieve the scripts, if we close our query window in SQL Server ma...
How can I clear scrollback buffer in Tmux?
...ind -n C-k clear-history
This binds ctrl-k to the tmux clear-history command. The -n after bind makes it so you don't have to issue the tmux command prefix (ctrl-b by default). I use bash, so ctrl-l already does the equivalent of typing "clear" at the command line. With these two keys I get a n...
Django - how to create a file and save it to a model's FileField?
Here's my model. What I want to do is generate a new file and overwrite the existing one whenever a model instance is saved:
...
What's the difference between window.location and document.location in JavaScript?
...
+1 but also see the answers by Phil Hamer and Christoph below, they add essential background info and caveats to fully understand the issue.
– Jon z
Oct 31 '14 at 19:12
...
Validating email addresses using jQuery and regex
...regex didn't satisfy your needs you can change it, anyway i have tested it and it work fine. jsfiddle.net/ADPaM
– Luca Filosofi
Apr 13 '11 at 10:21
14
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How can I reset or revert a file to a specific revision?
.../to/restore
As a side note, I've always been uncomfortable with this command because it's used for both ordinary things (changing between branches) and unusual, destructive things (discarding changes in the working directory).
...
Finding element's position relative to the document
... First,you need to decide whether to take account of border and margin according to box-sizing. Second, the collapsed margin should be considered. And last, there will be more complicated situation in the future which would make this answer worse.
– xianshenglu
...