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Writing a dict to txt file and reading it back?
...al() will evaluate any string, and if someone tricked you into running a really tricky string, something bad might happen. In this case, you are just running eval() on your own file, so it should be okay.
But because eval() is useful, someone made an alternative to it that is safer. This is calle...
Is it possible to change the package name of an Android app on Google Play?
I would like to know whether it is technically possible, not whether it is easy or not, to change the actual package name of an Android app that is on Google Play. What I mean by package name is the name that will show up in the URL. Please, can anyone tell me why this is / is not possible?
Thanks!
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Reverting single file in SVN to a particular revision
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This probably does not actually do what the question asker wanted. Using this, the working copy is clean and cannot be committed AS IS, and an "svn update" without a version number specified will retrieve the latest, unwanted version.
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Is there a way for non-root processes to bind to “privileged” ports on Linux?
...re going to use capabilities in a production environment. There are some really tricky details of how capabilities are inherited across exec() calls that are detailed here.
setcap man page
"Bind ports below 1024 without root on GNU/Linux": The document that first pointed me towards setcap.
Note: R...
JavaScript: client-side vs. server-side validation
... UI. Not only can they abuse your UI, but they may not be using your UI at all, or even a browser. What if the user manually edits the URL, or runs their own Javascript, or tweaks their HTTP requests with another tool? What if they send custom HTTP requests from curl or from a script, for example?
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What does the “static” modifier after “import” mean?
...on. Where the normal import
declaration imports classes from
packages, allowing them to be used
without package qualification, the
static import declaration imports
static members from classes, allowing
them to be used without class
qualification.
So when should you use static imp...
“A lambda expression with a statement body cannot be converted to an expression tree”
...e:
Think carefully when using this method, because this way, you will have all query result in memory, that may have unwanted side effects on the rest of your code.
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How do I fetch only one branch of a remote Git repository?
I'd like to grab a single branch (not all of them) of a remote repository and create a local tracking branch that can track further updates to that remote branch. The other branches in the remote repository are very big, so I'd like to avoid fetching them. How do I do this?
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Undefined reference to static constexpr char[]
...he same semantics as a function declared inline: it can be defined, identically, in
multiple translation units, must be defined in every translation unit in which it is odr-used, and
the behavior of the program is as if there is exactly one variable.
and modified [basic.def]p2:
A declar...
Why do you need ./ (dot-slash) before executable or script name to run it in bash?
...
Because on Unix, usually, the current directory is not in $PATH.
When you type a command the shell looks up a list of directories, as specified by the PATH variable. The current directory is not in that list.
The reason for not having the curr...