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Run Cron job every N minutes plus offset

...e step. The command will run at the first minute in the range (0), then at all successive minutes that are distant from the first by step (1), until the last (59). Which is why */20 * * * * will run at 0 minutes, 20 minutes after, and 40 minutes after -- which is the same as every 20 minutes. Howev...
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JavaScript :How to set a Conditional Break Point in Chrome debugger tools

...r Tools on Breakpoints at developers.google.com (Emphasis mine): Note: All the breakpoints you have set appear under Breakpoints in the right-hand sidebar. Clicking on the entry jumps to the highlighted line in the source file. Once you have a breakpoint set, right click on the blue tag breakpoi...
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How does comparison operator works with null int?

...s, if the value of one of the nullable types is null and the other is not, all comparisons evaluate to false except for != So both a > b and a < b evaluate to false since a is null... share | ...
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git clone through ssh

...git version 1.7.9.5), noting: The problem with the command I used initially was that I tried to use an scp-like syntax. ... which was also my problem! So basically in git with ssh, you either use ssh://username@host.xz/absolute/path/to/repo.git/ - just a forward slash for absolute path on s...
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How make Eclipse/EGit recognize existing repository information after update?

After upgrading Eclipse from Helios to Indigo with EGit plugin 1.0.0, all my projects seem to have lost their metadata about their git repositories, respectively. ...
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How to truncate string using SQL server

...re), but the outcome is good anyway. I mean SO is meant to hold answers to all kinds of questions (even the ones asking about otherwise easy to find stuff). – jahu Oct 13 '14 at 11:18 ...
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View a file in a different Git branch without changing branches

... This ONLY shows local branches, it does NOT show all branches on server – William Entriken Feb 16 '17 at 19:58 3 ...
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PHP Error handling: die() Vs trigger_error() Vs throw Exception

...ur application can fail and you want your code to recover across multiple call-levels. trigger_error() lets you fine-grain error reporting (by using different levels of error messages) and you can hide those errors from end-users (using set_error_handler()) but still have them be displayed to you d...
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Possible to iterate backwards through a foreach?

...g), you cannot do it as efficiently as using a for loop. Edit: Which generally means, when you are able to use a for loop, it's likely the correct method for this task. Plus, for as much as foreach is implemented in-order, the construct itself is built for expressing loops that are independent of e...
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What is an intuitive explanation of the Expectation Maximization technique? [closed]

... around 7 (and we could find the exact means if we wanted). This is, generally speaking, known as maximum likelihood estimation. Given some data, we compute the value of a parameter (or parameters) that best explains that data. Now imagine that we cannot see which value was sampled from which grou...