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Can linux cat command be used for writing text to file?
...append your text to the end of the file without removing what other data already is in the file.
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mysql: see all open connections to a given database?
...sl_connect_renegotiates | 0 |
| Ssl_finished_connects | 0 |
| Threads_connected | 127 |
+--------------------------+-------+
7 rows in set (0.01 sec)
Feel free to use
Mysql-server-status-variables or Too-many-connections-problem
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Completely cancel a rebase
..., because I messed something. I only got following error: error: could not read '.git/rebase-apply/head-name': directory of file does not exist. The git rebase --quit described bellow solved my problem.
– Kout
Feb 6 at 9:18
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How do you create a dictionary in Java? [closed]
...d to build your data structure during exeuction. Think of a put command as reading the file from disc, and placing it in memory(ram) so you can work with it. If you have a file you want loaded in as a data structure on load auto you wouuld need to look into java spring but its complex.
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How do I check if a SQL Server text column is empty?
... This was not the actual question, but just a remark for people that only read the title, don't forget to add OR mytextfield IS NULL when your column can be NULL
– Daan
Aug 27 '15 at 9:50
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CSS \9 in width property
...css hack for IE9 & below version
write like this:
width: 500px\9;
Read this article http://dimox.net/personal-css-hacks-for-ie6-ie7-ie8/
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How to remove all white spaces in java [duplicate]
...have a programming assignment and part of it requires me to make code that reads a line from the user and removes all the white space within that line.
the line can consist of one word or more.
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Convert NSDate to NSString
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once written out to a string, is there a nice neat way to read it in like this? (using those NSDateFormatter enums)
– Fonix
Nov 20 '13 at 10:21
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What is the meaning of the 'g' flag in regular expressions?
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Beside already mentioned meaning of g flag, it influences regexp.lastIndex property:
The lastIndex is a read/write integer property of regular expression
instances that specifies the index at which to start the next match.
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Add a prefix string to beginning of each line
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@benjamin, I had already upvoted your answer, however, I prefer sed for lightweight tasks such as this. If "prefix" is known, it's very easy to pick a character not from "prefix".
– Alok Singhal
Jan 20 '1...