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How to empty (“truncate”) a file on linux that already exists and is protected in someway?
I have a file called error.log on my server that I need to frequently truncate. I have rw permissions for the file. Opening the file in vi > deleting all content > saving works (obviously). But when I try the below
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Can “git pull --all” update all my local branches?
I often have at least 3 remote branches: master, staging and production. I have 3 local branches that track those remote branches.
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SET NAMES utf8 in MySQL?
I often see something similar to this below in PHP scripts using MySQL
8 Answers
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Use grep --exclude/--include syntax to not grep through certain files
I'm looking for the string foo= in text files in a directory tree. It's on a common Linux machine, I have bash shell:
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Dynamic cell width of UICollectionView depending on label width
I have a UICollectionView, that loads cells from reusable cell, which contains label. An array provides content for that label. I can resize label width depending on content width easily with sizeToFit. But I cannot make cell to fit label.
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Filter element based on .data() key/value
Say I have 4 div elements with class .navlink , which, when clicked, use .data() to set a key called 'selected' , to a value of true :
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How to navigate through textfields (Next / Done Buttons)
How can I navigate through all my text fields with the "Next" Button on the iPhone Keyboard?
34 Answers
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Removing path and extension from filename in powershell
I have a series of strings which are full paths to files. I'd like to save just the filename, without the file extension and the leading path. So from this:
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“Active Directory Users and Computers” MMC snap-in for Windows 7?
Is there an equivalent tool available for use in Windows 7? I just need to browse the membership of some small Active Directory groups that are deep within a huge hierarchy, so I can eventually write code to work with those groups. The Windows Server 2003 version of the installer works, but the re...
How to convert .pfx file to keystore with private key?
I need to sign Android application ( .apk ).
I have .pfx file. I converted it to .cer file via Internet Explorer and then converted .cer to .keystore using keytool. Then I've tried to sign .apk with jarsigner but it says that .keystore doesn't content a private key.
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