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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
I'm working with some example java code for making md5 hashes. One part converts the results from bytes to a string of hex digits:
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Select first row in each GROUP BY group?
... If there are multiple purchases with equally the highest total for one customer, the 1st query returns an arbitrary winner (depending on implementations details; the id can change for every execution!). Typically (not always) you would want one row per customer, defined by additional criteri...
Execute JavaScript using Selenium WebDriver in C#
...language bindings do not exactly correspond to those in the Java bindings. One of the principles of the project is that each language binding should "feel natural" to those comfortable coding in that language. In C#, the code you'd want for executing JavaScript is as follows
IWebDriver driver; // a...
Copy a file in a sane, safe and efficient way
...od way to copy a file (binary or text). I've written several samples, everyone works. But I want hear the opinion of seasoned programmers.
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How do I get bash completion to work with aliases?
... This is the only correct answer I've seen amongst many wrong ones.
– eighteyes
Mar 22 '13 at 19:16
45
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Detach many subdirectories into a new, separate Git repository
...eset -q $GIT_COMMIT -- apps/AAA libs/XXX' --prune-empty -- --all
As mentioned by void.pointer in his/her comment, this will remove everything except apps/AAA and libs/XXX from current repository.
Prune empty merge commits
This leaves behind lots of empty merges. These can be removed by another p...
Most popular screen sizes/resolutions on Android phones [closed]
...ays nothing of how common a resolution is... just a table describing which one exists/categories?
– Ted
Mar 18 '14 at 15:03
1
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Check if a method exists
...or(someMethod:withParams:)]
This may be useful if you would like to call one constructor or another one depending on this (I mean, before having the instance itself).
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Is there a way to include commas in CSV columns without breaking the formatting?
...alue",field4, etc...
See wikipedia.
Updated:
To encode a quote, use ", one double quote symbol in a field will be encoded as "", and the whole field will become """". So if you see the following in e.g. Excel:
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| regular_value |,,,"| ,"", |""" |"|
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Multiple file upload in php
...w this is an old post but some further explanation might be useful for someone trying to upload multiple files... Here is what you need to do:
Input name must be be defined as an array i.e.
name="inputName[]"
Input element must have multiple="multiple" or just multiple
In your PHP file use the syn...