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How to make “if not true condition”?
I would like to have the echo command executed when cat /etc/passwd | grep "sysa" is not true.
6 Answers
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Break out of a While…Wend loop
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Another option would be to set a flag variable as a Boolean and then change that value based on your criteria.
Dim count as Integer
Dim flag as Boolean
flag = True
While flag
count = count + 1
If count = 10 Then
'Set the flag to false '
flag = fal...
Rspec: “array.should == another_array” but without concern for order
I often want to compare arrays and make sure that they contain the same elements, in any order. Is there a concise way to do this in RSpec?
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git: diff between file in local repo and origin
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If [remote-path] and [local-path] are the same, you can do
$ git fetch origin master
$ git diff origin/master -- [local-path]
Note 1: The second command above will compare against the locally stored remote tracking branch. The fetch comman...
Eclipse: quick search on filename
...ackage this class is. Using Search is not very convenient. Too many clicks and key presses. I wonder, is there a plugin to simplify this process? For example, would be great if there was text-edit box in the top of package explorer which could filter showing packages and .java files depending of ent...
Browser support for URLs beginning with double slash
... few links used without a protocol. It didn't seem too difficult to understand - I think it's a great idea and pretty intuitive.
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Objective-C Runtime: best way to check if class conforms to protocol?
I have a Class (but no instance) and need to know if it conforms to a certain protocol. However, Class can be subclassed several times and class_conformsToProtocol() ignores protocols declared on superclasses.
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iPhone Navigation Bar Title text color
...shadow, which would be difficult to read.
I worked this out through trial and error, but the values I came up with are ultimately too simple for them not to be what Apple picked. :)
If you want to verify this, drop this code into initWithNibName:bundle: in PageThreeViewController.m of Apple's NavB...
How to remove origin from git repository
... filter-branch question - just add --prune-empty to your filter branch command and it'll remove any revision that doesn't actually contain any changes in your resulting repo:
git filter-branch --prune-empty --subdirectory-filter path/to/subtree HEAD
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ComponentGroup 组件组扩展：监控内容变化和批量启用禁用组件 · App Inventor 2 中文网
...top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}