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What must I know to use GNU Screen properly? [closed]

... target window. Warning: it will let you know if anything changes. Want to select window 15 directly? Try these in your .screenrc file: bind ! select 11 bind @ select 12 bind \# select 13 bind $ select 14 bind % select 15 bind \^ select 16 bind & select 17 bind * select 18 bind ( selec...
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Email validation using jQuery

...l could be written in better way. None part of domain can start with other char than [a-z0-9] (case insensitive). Also, valid e-mail (and domain) has some len limit, which is also not tested. – tomis Jul 5 '13 at 8:42 ...
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How can I select item with class within a DIV?

...demo. Or: $('#mydiv .myclass'); JS Fiddle demo. References: find(). Selector context. Good to learn from the find() documentation: The .find() and .children() methods are similar, except that the latter only travels a single level down the DOM tree. ...
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How to get a list of user accounts using the command line in MySQL?

... Use this query: SELECT User FROM mysql.user; Which will output a table like this: +-------+ | User | +-------+ | root | +-------+ | user2 | +-------+ As Matthew Scharley points out in the comments on this answer, you can group by the ...
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Open directory dialog

I want the user to select a directory where a file that I will then generate will be saved. I know that in WPF I should use the OpenFileDialog from Win32, but unfortunately the dialog requires file(s) to be selected - it stays open if I simply click OK without choosing one. I could "hack up" the f...
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MySQL Select Date Equal to Today

I'm trying to run a mysql select statement where it looks at today's date and only returns results that signed up on that current day. I've currently tried the following, but it doesn't seem to work. ...
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Get MD5 hash of big files in Python

... @EnemyBagJones 'hr' stands for human readable. It returns a string of 32 char length hexadecimal digits: docs.python.org/2/library/md5.html#md5.md5.hexdigest – Bastien Semene Mar 27 '18 at 9:46 ...
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How to tell Xcode where my info.plist and .pch files are

...g to add my discoveries here as it is slightly different for Xcode 4.2: Select your project In the left side of the middle pane, select your app under "Targets" Select the tab "Build Settings" Search the following keywords: "info.plist" and "pch" At this point it should be pretty clear which are ...
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How to find all the tables in MySQL with specific column names in them?

... all tables with columns columnA or ColumnB in the database YourDatabase: SELECT DISTINCT TABLE_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE COLUMN_NAME IN ('columnA','ColumnB') AND TABLE_SCHEMA='YourDatabase'; ...
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sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and t

...this is giving me the error, The actual string I am trying to insert is 74 chars long, it's: "/gifs/epic-fail-photos-there-i-fixed-it-aww-man-the-tire-pressures-low.gif" ...