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What is a “symbol” in Julia?
Specifically:
I am trying to use Julia's DataFrames package, specifically the readtable() function with the names option, but that requires a vector of symbols.
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Is SecureRandom thread safe?
Is SecureRandom thread safe? That is, after initializing it, can access to the next random number be relied on to be thread safe? Examining the source code seems to show that it is, and this bug report seems to indicate that its lack of documentation as thread safe is a javadoc issue. Has anyone...
How to align texts inside of an input?
For all default inputs, the text you fill starts on the left. How do you make it start on the right?
7 Answers
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Difference between .keystore file and .jks file
I have tried to find the difference between .keystore files and .jks files, yet I could not find it. I know jks is for "Java keystore" and both are a way to store key/value pairs.
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Detect if an input has text in it using CSS — on a page I am visiting and do not control?
Is there a way to detect whether or not an input has text in it via CSS? I've tried using the :empty pseudo-class, and I've tried using [value=""] , neither of which worked. I can't seem to find a single solution to this.
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Why is a div with “display: table-cell;” not affected by margin?
I have div elements next to each other with display: table-cell; .
4 Answers
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Keystore type: which one to use?
By looking at the file java.security of my JRE , I see that the keystore type to use by default is set to JKS . Here , there is a list of the keystore types that can be used.
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How to get first and last day of the week in JavaScript
I have today = new Date(); object. I need to get first and last day of the current week. I need both variants for Sunday and Monday as a start and end day of the week. I am little bit confuse now with a code. Can your help me?
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How to get HTTP Response Code using Selenium WebDriver
I have written tests with Selenium2/WebDriver and want to test if HTTP Request returns an HTTP 403 Forbidden.
9 Answers
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Revert a range of commits in git
How can I revert a range of commits in git? From looking at the gitrevisions documentation, I cannot see how to specify the range I need. For example:
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