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What’s the best way to check if a file exists in C++? (cross platform)
...ecurity-critical code.
Details about security and race conditions:
http://www.ibm.com/developerworks/library/l-sprace.html
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Git repository broken after computer died
... blue screen of death on windows 8.1
I had a file in this location...
C:\www\<project>\.git\refs\remotes\origin\<problem-branch>
And it was empty whereas the other branch files in this folder has long strings inside of them.
NB I didn't have any changes/commits
I backed up the <...
How to “inverse match” with regex?
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For Python/Java,
^(.(?!(some text)))*$
http://www.lisnichenko.com/articles/javapython-inverse-regex.html
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The import javax.servlet can't be resolved [duplicate]
...address this issue:
You can download the servlet-api.jar from here
http://www.java2s.com/Code/Jar/s/Downloadservletapijar.htm
Save it in directory. Right click on project -> go to properties->Buildpath and follow the steps.
Note: The jar which are shown in the screen are not corre...
Git Checkout warning: unable to unlink files, permission denied
...ad been originally created by my local apache server, so were owned by the www-data user. Once I chown'd them to my own account, everything worked normally again. "Permission Denied" was the real issue. The "unable to unlik" was just a red herring.
– Dale Anderson
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Post JSON using Python Requests
... developer tools of your browser),
when the Content-Type is application/x-www-form-urlencoded,
code should be:
requests.post(url, data=jsonObj)
when the Content-Type is application/json,
your code is supposed to be one of below:
requests.post(url, json=jsonObj)
requests.post(url, data=jsonstr...
difference between width auto and width 100 percent
...). This may be what you want, but most likely it isn’t.
Source:
http://www.456bereastreet.com/archive/201112/the_difference_between_widthauto_and_width100/
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Is there a minlength validation attribute in HTML5?
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Yes, there it is. It's like maxlength. W3.org documentation:
http://www.w3.org/TR/html5/forms.html#attr-fe-minlength
In case minlength doesn't work, use the pattern attribute as mentioned by @Pumbaa80 for the input tag.
For textarea:
For setting max; use maxlength and for min go to this lin...
Changing image sizes proportionally using CSS?
...poor support of the css3 property. More details are available here: http://www.steveworkman.com/html5-2/javascript/2012/css3-object-fit-polyfill/. jQuery solution can be found there as well.
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How to change position of Toast in Android?
...color.colorPrimary);
toast.show();
For line by line explanation: https://www.youtube.com/watch?v=5bzhGd1HZOc
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