大约有 41,000 项符合查询结果（耗时：0.0351秒） [XML]
How does a public key verify a signature?
...m trying to get a better grapple on how public/private keys work. I understand that a sender may add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature.
...
Does my application “contain encryption”?
... iTunes Connect:
"How do I know if I can follow the Exporter Registration and Reporting (ERN) process?
If your app uses, accesses, implements or incorporates industry standard encryption algorithms for purposes other than those listed as exemptions under question 2, you need to submit for an ERN a...
Correct file permissions for WordPress [closed]
...ge to the user to www-data with su,
give wp-content group write access 775 and join the group www-data or
give your user the access rights to the folder using ACLs.
Whatever you do, make sure the files have rw permissions for www-data.
...
Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
...ates a new project, that dialog lets you point
to some external .PNG file, and then when that dialog completes,
it generates 4 different pixel-sizes of images for use as
a launcher-icon.
...
What is the rationale for all comparisons returning false for IEEE754 NaN values?
...ify things a bit.
First off, floating-point numbers are not real numbers, and floating-point arithmetic does not satisfy the axioms of real arithmetic. Trichotomy is not the only property of real arithmetic that does not hold for floats, nor even the most important. For example:
Addition is not...
Test iOS app on device without apple developer program or jailbreak
... has finally introduced a new feature in Xcode 7 that allows you to deploy and run any number of apps on any of your devices, simply by logging in with your Apple ID. You will no longer need a paid Program membership to deploy apps on your own device (and you certainly no longer have to jailbreak yo...
How can HTML5 “replace” Flash? [closed]
...tion of HTML as a markup language, CSS which specifies how it is rendered, and the javascript code which manipulates the HTML and CSS dynamically.
Furthermore, HTML5 not only has the standard text elements, but also <canvas> on which 2d graphics can be drawn, and <video> elements which ...
Calling Java from Python
What is the best way to call java from python?
(jython and RPC are not an option for me).
9 Answers
...
Difference between e.target and e.currentTarget
I don't understand the difference, they both seem the same but I guess they are not.
10 Answers
...
Handling a colon in an element ID in a CSS selector [duplicate]
...the beginning of a pseudo-element to the browser so it gets marked invalid and ignored. Is there anyway to escape the colon or something?
...