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How can I get the sha1 hash of a string in node.js?
... default. So sha1sum({}) === sha1sum({"foo":"bar"}) === sha1sum({"a":1}), etc.
– maerics
Jun 4 '15 at 21:40
...
Best Practice - NSError domains and codes for your own project/app
... could change and add more codes, or change the meaning of existing codes, etc. It also helps me more specifically identify where the error came from. For example, if my StackKit framework generates an error in the com.stackkit domain, I know that it's a framework problem. However, if it generate...
What is unit testing? [closed]
...r intern thinks it'll look tidier if those parameters were in alphabetical order - and then the unit test you wrote way back fails, and someone throws things at the intern until he changes the parameter order back. That's the "why" of unit tests. :-)
...
Labels for radio buttons in rails form
...y submitted data is stored in memory should there be any validation errors etc.
If you can't call the form helper method on the form object, for example if you're using a tag helper (radio_button_tag etc.) you can interpolate the name using:
= radio_button_tag "#{f.object_name}[email]", @message.e...
Given an RGB value, how do I create a tint (or shade)?
...ading and tinting:
For shades, multiply each component by 1/4, 1/2, 3/4, etc., of its
previous value. The smaller the factor, the darker the shade.
For tints, calculate (255 - previous value), multiply that by 1/4,
1/2, 3/4, etc. (the greater the factor, the lighter the tint), and add that to the ...
MySQL复制的概述、安装、故障、技巧、工具 - 数据库(内核) - 清泛网 - 专注...
...户作为复制账号。
然后设置主服务器配置文件（缺省：/etc/my.cnf）：
[mysqld]
server_id = 100
log_bin = mysql-bin
log_bin_index = mysql-bin.index
sync_binlog = 1
innodb_flush_log_at_trx_commit = 1
innodb_support_xa = 1
注：一定要保证主从服务器各自的s...
Specifying and saving a figure with exact size in pixels
...the same pixel dimensions as the im array.
Note: the OP specified no axes, etc. which is what this solution does exactly. If one wants to add axes, ticks, etc. my preferred approach is to do that on a separate plot, saving with transparent=True (PNG or PDF) then overlay the latter on the image. This...
Is Dvorak typing appropriate for programming? [closed]
... are in different locations, they are different (US keyboard has no ´¨ç etc), and sometimes they even work differently! (In US keyboard there are no dead keys AFAIK, so one gets ~n instead of ñ, ^o instead of ô...)
– ANeves thinks SE is evil
Nov 11 '11 at ...
Why does Python pep-8 strongly recommend spaces over tabs for indentation?
... and b) easily dealt with by technical means (editors, conversion scripts, etc.), there is a clear way to end all discussion: choose one.
Guido was the one to choose. He didn't even have to give a reason, but he still did by referring to empirical data.
For all other purposes you can either take t...
How to unit test abstract classes: extend with stubs?
...of the Abstract class under test. Those methods can be no-op, return null, etc. as they will not be tested. The test class tests only the non-abstract public API (ie the Interface implemented by the Abstract class). For any class that extends the Abstract class you'll need additional test classes ...