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How do I check that multiple keys are in a dict in a single pass?
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For Python 2 switch the order: d.viewkeys() >= set(q). I came here trying to find out why the order matters!
– Veedrac
Apr 28 '14 at 6:09
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How to check file MIME type with javascript before upload?
...es prior to reading? fileReader.readAsArrayBuffer(blob.slice(0,4))? (2) In order to copy/paste file signatures, shouldn't the header be constructed with leading 0's for(var i = 0; i < bytes.length; i++) { var byte = bytes[i]; fileSignature += (byte < 10 ? "0" : "") + byte.toString(16); } ?
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...7 to finish before dispatch to the execution units, even though the higher order bits are identical anyway
The only benefit of not zero extending is ensuring the higher order bits of rax are included, for instance, if it originally contains 0xffffffffffffffff, the result would be 0xffffffff0000000...
Bash: infinite sleep (infinite blocking)
... I start my window manager using /usr/bin/mywm . Now, if I kill my WM (in order to f.e. test some other WM), X will terminate too because the .xinitrc script reached EOF.
So I added this at the end of my .xinitrc :
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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
...ch (typically a remote-tracking branch) the branch's work was based on, in order to cope with the case in which the "base" branch has been rewound and rebuilt.
For example, if the history looked like where:
the current tip of the "base" branch is at B, but earlier fetch observed that its ...
Using openssl to get the certificate from a server
...osts on a single IP address) you will need to send the correct hostname in order to get the right certificate.
openssl s_client -showcerts -servername www.example.com -connect www.example.com:443 </dev/null
Without SNI
If the remote server is not using SNI, then you can skip -servername param...
Convert.ChangeType() fails on Nullable Types
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You have to get the underlying type in order to do that...
Try this, I've used it successfully with generics:
//Coalesce to get actual property type...
Type t = property.PropertyType();
t = Nullable.GetUnderlyingType(t) ?? t;
//Coalesce to set the safe value us...
How can I use Async with ForEach?
...better solution? If simultaneously, should the results be in original item order or in order of completion? Should it fail on the first failure or wait until all have completed? Etc.
– Stephen Cleary
Oct 17 '19 at 18:01
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How to perform Unwind segue programmatically?
...ability to "unwind" from one view controller somewhere in the presentation order to a much earlier view controller. See WWDC 2012 session 407 for details.
– tobinjim
Dec 9 '12 at 6:55
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REST vs JSON-RPC? [closed]
...ents:
Clients are required to know procedure names;
Procedure parameters order, types and count matters. It's not that easy to change procedure signatures(number of arguments, order of arguments, argument types etc...) on server side without breaking client implementations;
RPC style doesn't expos...