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Mark error in form using Bootstrap
...der to achieve a nice page design without resorting to GWT (the backend is made in java)
7 Answers
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Postgresql: Scripting psql execution with password
...can provide the password in a pgpass file or through the PGPASSWORD environm>me m>nt variable. See these:
https://www.postgresql.org/docs/9.0/static/libpq-pgpass.html
https://www.postgresql.org/docs/9.0/interactive/libpq-envars.html
There is no option to provide the password as a command line argum>me m>...
jQuery DataTables: control table width
... scrolling can be used together
with jQuery UI tabs (or indeed any other m>me m>thod whereby the table is
in a hidden (display:none) elem>me m>nt when it is initialised). The reason
this requires special consideration, is that when DataTables is
initialised and it is in a hidden elem>me m>nt, the browser d...
How to find the Git commit that introduced a string in any branch?
...h was introduced in any commit in
any branch, how can I do that? I found som>me m>thing (that I modified for Win32),
but git whatchanged doesn't seem to be looking into the different branches
(ignore the py3k chunk, it's just a msys/win line feed fix)
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How to delete a file via PHP?
... following should help
realpath — Returns canonicalized absolute pathnam>me m>
is_writable — Tells whether the filenam>me m> is writable
unlink — Deletes a file
Run your filepath through realpath, then check if the returned path is writable and if so, unlink it.
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Check if value exists in Postgres array
...s 9.0, I need a way to test if a value exists in a given array. So far I cam>me m> up with som>me m>thing like this:
7 Answers
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How to check size of a file using Bash?
...he output format, you can also look at stat. On Linux, you'd start with som>me m>thing like stat -c '%s' file.txt, and on BSD/Mac OS X, som>me m>thing like stat -f '%z' file.txt.
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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
I have an R data fram>me m> containing a factor that I want to "expand" so that for each factor level, there is an associated column in a new data fram>me m>, which contains a 1/0 indicator. E.g., suppose I have:
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Encrypt & Decrypt using PyCrypto AES 256
I'm trying to build two functions using PyCrypto that accept two param>me m>ters: the m>me m>ssage and the key, and then encrypt/decrypt the m>me m>ssage.
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Copy files without overwrite
...ory B, don't overwrite it, no matter which file is newer, and don't prompt m>me m>."
12 Answers
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