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Reverting a single file to a previous version in git [duplicate]
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84
Git is very flexible. You shouldn't need hundreds of branches to do what you are asking. If you...
Get underlying NSData from UIImage
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84
I don't know why this answer is up-voted so many times nor that it is accepted. The OP asked to retrieve the data that was given initially....
App Inventor 2 文字转图片教程 - 文图生成方案 · App Inventor 2 中文网
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}
.card.gradient-bg {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
}
.quote-mark { font-size: 60px; line-height: 1; opacity: 0.3; }
.title { font-size: 22px; font-weight: bold; margin: 10px 0; line-height: 1.5; }
.content { font-size: 16px; line-height: 1.8; opac...
What is the size of an enum in C?
I'm creating a set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possib...
Is there a Unix utility to prepend timestamps to stdin?
...row this out there: there are a pair of utilities in daemontools called tai64n and tai64nlocal that are made for prepending timestamps to log messages.
Example:
cat file | tai64n | tai64nlocal
JavaScript/jQuery to download file via POST with JSON data
...as used here with PDFs: alexhadik.com/blog/2016/7/7/l8ztp8kr5lbctf5qns4l8t3646npqh
– Mateo Tibaquira
Jun 17 '17 at 10:34
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Meaning of epsilon argument of assertEquals for double values
...or (say for degrees) you could set epsilon to 1 meaning that, for example, 64.2° is the same as 64.8° (since abs(64.8-64.2) < 1)
– Pieter De Bie
Sep 25 '15 at 8:14
3
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Android Studio - How to increase Allocated Heap Size
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Thx, it's very usefull. FYI, if you use the 64bits version, the file to edit is named studio64.exe.vmoptions.
– Eselfar
Jul 11 '17 at 14:47
add ...
HMAC-SHA1 in bash
...] echo -n "value" | openssl dgst -sha1 -hmac "key"
57443a4c052350a44638835d64fd66822f813319
Or simply:
[me@home] echo -n "value" | openssl sha1 -hmac "key"
57443a4c052350a44638835d64fd66822f813319
Remember to use -n with echo or else a line break character is appended to the string and that cha...
Why can't I use switch statement on a String?
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An if-elseif-elseif-elseif-else might be faster, but I'd take the cleaner code 99 times times out of 100. Strings, being immutable, cache t...