19 Git Tips For Everyday Use
Table of Contents: Parameters for better logging git log --oneline --graphLog actual changes in a file git log -p filenameOnly Log changes for some specific lines in file git log -L 1,1:some-file.txtLog changes not yet merged to the parent branch git log --no-merges master..Extract a file from another branch git show some-branch:some-file.jsSome notes on rebasing git pull --rebaseRemember the bran
Pythonを書ã始ã‚ã‚‹å‰ã«è¦‹ã‚‹ã¹ãTips - Qiita
Pythonを使ã£ã¦ã“ã®æ–¹ã•ã¾ã–ã¾ãªç‚¹ã«ã¤ã¾ãšã„ãŸãŒã€ã“ã“ã§ã¯ãã‚“ãªãƒˆãƒ©ãƒƒãƒ—を回é¿ã—ã¦å¿«é©ãªPython Lifeã‚’é€ã£ã¦ã„ãŸã ãã¹ãã€æ›¸ã始ã‚ã‚‹å‰ã«çŸ¥ã£ã¦ãŠã‘ã°ã‚ˆã‹ã£ãŸã¨ã„ã†Tipsã‚’ã¾ã¨ã‚ã¦ãŠã。 Python2ç³»ã¨3ç³»ã«ã¤ã„㦠Pythonã«ã¯2ç³»ã¨3ç³»ãŒã‚ã‚Šã€3ç³»ã§ã¯å¾Œæ–¹äº’æ›æ€§ã«å½±éŸ¿ã®ã‚る変更ãŒå…¥ã‚Œã‚‰ã‚Œã¦ã„る。ã¤ã¾ã‚Šã€Python3ã®ã‚³ãƒ¼ãƒ‰ã¯Python2ã§ã¯å‹•ã‹ãªã„ã“ã¨ãŒã‚ã‚‹(逆もã—ã‹ã‚Š)。 Python3ã§ã¯Python2ã«ãŠã‘る様々ãªç‚¹ãŒæ”¹å–„ã•ã‚Œã¦ãŠã‚Šã€ä»Šã‹ã‚‰ä½¿ã†ãªã‚‰æœ€æ–°ç‰ˆã®Python3ã§è¡Œã†ã®ãŒåŸºæœ¬ã (下記ã§ã‚‚ã€Python3ã§æ”¹å–„ã•ã‚Œã‚‹ã‚‚ã®ã¯æ˜Žè¨˜ã™ã‚‹ã‚ˆã†ã«ã—ãŸ)。何よりã€Python2ã¯2020å¹´1月1日をもã£ã¦ã‚µãƒãƒ¼ãƒˆãŒçµ‚了ã—ãŸã€‚よã£ã¦ä»Šã‹ã‚‰Python2を使ã†ç†ç”±ã¯ãªã„。未ã ã«Python2を使ã†è€…ã¯ã€å°å¦ç”Ÿã«ã‚‚ディスられる。 ã—ã‹ã—ã€ä¸–ã®ä¸ã«ã¯ã¾ã Python3ã«
Chrome開発者ツールã®å°æŠ€é›† | POSTD
最近ã€æ™®æ®µä»¥ä¸Šã«Chromeã®é–‹ç™ºè€…ツールを使ã†ã“ã¨ã«æ™‚é–“ã‚’ã‹ã‘る機会ãŒã‚ã‚Šã¾ã—ãŸã€‚ãã®éŽç¨‹ã§ã€è‡ªåˆ†ãŒä»Šã¾ã§æ°—ã¥ã„ã¦ã„ãªã‹ã£ãŸæ©Ÿèƒ½ã‚’ã„ãã¤ã‹è¦‹ã¤ã‘ã¾ã—ãŸï¼ˆå°‘ãªãã¨ã‚‚今ã¾ã§ãã®æ©Ÿèƒ½ã‚’探ã™å¿…è¦ã«è¿«ã‚‰ã‚Œã¦ã„ãªã‹ã£ãŸã€ã¨ã‚‚言ãˆã‚‹ã®ã§ã™ãŒã€‚例ãˆã°ãƒ–ラックボックス化やéžåŒæœŸã®ã‚¹ã‚¿ãƒƒã‚¯ãƒˆãƒ¬ãƒ¼ã‚¹ãªã©ï¼‰ã€‚ãã®ãŸã‚ã€é–‹ç™ºè€…ツールã§ã¨ã¦ã‚‚æ°—ã«å…¥ã£ã¦ã„ã‚‹ã„ãã¤ã‹ã®æ©Ÿèƒ½ã«ã¤ã„ã¦ã¾ã¨ã‚ã¦ã¿ãŸããªã£ãŸã®ã§ã™ã€‚ å°ã•ãªè™«çœ¼é¡ã®ã®ã‚¢ã‚¤ã‚³ãƒ³ã¯ã€ç‰¹å®šã®è¦ç´ ã‚„CSSプãƒãƒ‘ティã«å¯¾ã—ã¦ã€ã€Œã©ã®CSSファイルã«æ›¸ã‹ã‚Œã¦ã„ã‚‹ã©ã®ã‚»ãƒ¬ã‚¯ã‚¿/クラスãŒæœ€çµ‚çš„ãªã‚¹ã‚¿ã‚¤ãƒ«ã‚’決ã‚ã¦ã„ã‚‹ã‹ã€ã‚’示ã—ã¦ãã‚Œã¾ã™ã€‚例ãˆã°ã€ã©ã‚Œã‹DOMè¦ç´ ã«å¯¾ã—ã¦ã€Œè¦ç´ を検証ã€ã‚’é¸ã³ã€å³å´ã®ã€ŒComputedã€ã¨ã„ã†ã‚¿ãƒ–ã‚’é¸ã³ã¾ã™ã€‚確èªã—ãŸã„CSSプãƒãƒ‘ティを見ã¤ã‘ã¦ãã®è™«çœ¼é¡ã‚¢ã‚¤ã‚³ãƒ³ã‚’クリックã™ã‚‹ã“ã¨ã§ã€ã™ãã•ã¾å³å´ã«æ£ã—ã„CSSファイル内ã®ã‚¯ãƒ©ã‚¹/セレクタを表示ã—ã¦ã
9. Classes
9. Classes¶ Classes provide a means of bundling data and functionality together. Creating a new class creates a new type of object, allowing new instances of that type to be made. Each class instance can have attributes attached to it for maintaining its state. Class instances can also have methods (defined by its class) for modifying its state. Compared with other programming languages, Python’s
8. Errors and Exceptions
8. Errors and Exceptions¶ Until now error messages haven’t been more than mentioned, but if you have tried out the examples you have probably seen some. There are (at least) two distinguishable kinds of errors: syntax errors and exceptions. 8.1. Syntax Errors¶ Syntax errors, also known as parsing errors, are perhaps the most common kind of complaint you get while you are still learning Python: >>>
7. Input and Output
7. Input and Output¶ There are several ways to present the output of a program; data can be printed in a human-readable form, or written to a file for future use. This chapter will discuss some of the possibilities. 7.1. Fancier Output Formatting¶ So far we’ve encountered two ways of writing values: expression statements and the print() function. (A third way is using the write() method of file ob
6. Modules
6. Modules¶ If you quit from the Python interpreter and enter it again, the definitions you have made (functions and variables) are lost. Therefore, if you want to write a somewhat longer program, you are better off using a text editor to prepare the input for the interpreter and running it with that file as input instead. This is known as creating a script. As your program gets longer, you may wa
5. Data Structures
5. Data Structures¶ This chapter describes some things you’ve learned about already in more detail, and adds some new things as well. 5.1. More on Lists¶ The list data type has some more methods. Here are all of the methods of list objects: list.append(x) Add an item to the end of the list. Similar to a[len(a):] = [x]. list.extend(iterable) Extend the list by appending all the items from the itera
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2014å¹´ã€æ˜¥ã®Git事情 - fujimuradaisuke's blog
ãªã‚“ã¨ãªã最近ã©ã‚“ãªæ„Ÿã˜ã§Gitを使ã£ã¦ã„ã‚‹ã‹ã€é©å½“ã«ãƒªã‚¹ãƒˆã‚¢ãƒƒãƒ—ã—ã¦ã¿ãŸã€‚ よã使ã†ã‚„㤠git status git status --branch --short ã«ã—ã¦ã„る。変更ã•ã‚ŒãŸãƒ•ã‚¡ã‚¤ãƒ«ãŒå‡ºã‚‹ã€‚ã¨ã‚Šã‚ãˆãšä½•ã‚’ã—ãŸã‹ã–ã£ãり把æ¡ã™ã‚‹ç”¨ã€‚sã«ã‚¨ã‚¤ãƒªã‚¢ã‚¹ã—ã¦ã„る。一日100回ãらã„実行ã—ã¦ã„ã‚‹ã®ã§ã¯ãªã„ã‹ã€‚ git diff 特ã«ã‚ªãƒ—ションã¯æŒ‡å®šã—ã¦ã„ãªã„。何をã—ãŸã‹ã—ã£ã‹ã‚ŠæŠŠæ¡ã™ã‚‹ç”¨ã€‚dã«ã‚¨ã‚¤ãƒªã‚¢ã‚¹ã—ã¦ã„る。一日50回ãらã„実行ã—ã¦ã„ã‚‹ã®ã§ã¯ãªã„ã‹ã€‚ git grep ãƒãƒ¼ã‚¸ãƒ§ãƒ³ç®¡ç†ã—ã¦ã„るファイルã‹ã‚‰æ¸¡ã—ãŸå˜èªžã‚’å«ã‚€è¡Œã‚’検索ã€è¡¨ç¤ºã€‚関数ã®æ¤œç´¢ãªã©ã‚ã‚‰ã‚†ã‚‹å ´é¢ã§è¶…便利。オプション㯠--line-number --show-function --color --heading --break ãŒã‚ªã‚¹ã‚¹ãƒ¡ã€‚ git ls-files ãƒãƒ¼ã‚¸ãƒ§ãƒ³ç®¡ç†ã—ã¦ã„るファイルã®ãƒ•ã‚¡ã‚¤ãƒ«ãƒ‘スを表
Re: 「切りæ¨ã¦ã€ã« int() ã¯ä½¿ã†ã¹ã‹ã‚‰ãš - tokuhirom's blog
Re: 「切りæ¨ã¦ã€ã« int() ã¯ä½¿ã†ã¹ã‹ã‚‰ãš http://blog.livedoor.jp/nipotan/archives/18935329.html é…レスã ã‘ã©ã€ç²¾åº¦ãŒã„らãªã㦠floor() ã«ãªã‚ã†ãŒ ceil() ã«ãªã‚ã†ãŒã©ã£ã¡ã§ã‚‚ã„ã„ãªã£ã¦æ™‚ã«ã¯ int() を別ã«ã¤ã‹ã£ã¦ã‚‚構ã‚ãªã„。 floor() ceil() ã®ã©ã¡ã‚‰ã‹ã«ã‚ˆã›ãŸã„時㯠floor() ceil() ã¤ã‹ãˆã°ã„ã„。 sprintf("%d", $n) ã¯ã€æ„図ãŒã‚ˆãã‚ã‹ã‚‰ãªããªã‚‹ã‹ã‚‰ã€ã‚ã‚“ã¾ã¤ã‹ã‚ãªã„ã»ãŒã„ã„ã¨ãŠã‚‚ã†ã€‚ Published: 2014-11-28(Fri) 08:09
Chefã‚’æ‹¡å¼µã™ã‚‹3ã¤ã®æ–¹æ³• | Engine Yard Blog JP
Chefを使ã£ã¦ã‚µãƒ¼ãƒã®ç®¡ç†é‹ç”¨ã‚’ã™ã‚‹éš›ã«ä½œã‚Šã“む対象ã¨ã—ã¦ã¾ã£ã•ãã«æ€ã„ã¤ãã®ãŒã‚¯ãƒƒã‚¯ãƒ–ックã§ã™ã€‚コミュニティクックブックを組ã¿åˆã‚ã›ãŸã‚Šè‡ªä½œã®ã‚¯ãƒƒã‚¯ãƒ–ックを書ãã“ã¨ã§ä½œã‚Šè¾¼ã¿ã‚’è¡Œã£ã¦ã„る人ã¯å¤šã„ã®ã§ã¯ãªã„ã§ã—ょã†ã‹ã€‚ã—ã‹ã—クックブックã°ã‹ã‚Šã‚’作りã“ã‚€ã ã‘ãŒChefã‚’æ‹¡å¼µã™ã‚‹æ–¹æ³•ã§ã¯ã‚ã‚Šã¾ã›ã‚“。 knifeプラグイン knifeプラグインã¯knifeコマンドã®ã‚µãƒ–ã‚³ãƒžãƒ³ãƒ‰ã‚’è¿½åŠ ã™ã‚‹å½¢ã§ã•ã¾ã–ã¾ãªæ‹¡å¼µã‚’è¡Œã†æ©Ÿæ§‹ã§ã™ã€‚knife-soloã‚‚knifeプラグインã®ï¼‘ã¤ã§ã™ã€‚knifeプラグインã¯rubyを使ã£ã¦é–‹ç™ºã™ã‚‹äº‹ãŒå‡ºæ¥ã€Amazon Web Serviceã‚„Digital Oceanãªã©ã®ãƒ‘ブリッククラウド環境ã®ã‚µãƒãƒ¼ãƒˆã‚’è¿½åŠ ã™ã‚‹ã‚‚ã®ã‚„ã€KVMã‚„VMwareãªã©ã®ä»®æƒ³åŒ–環境をサãƒãƒ¼ãƒˆã‚’è¿½åŠ ã™ã‚‹ã‚‚ã®ãŒå¤šæ•°å…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ã¾ãŸã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ã‚¯ãƒƒã‚¯ãƒ–ックã®å…¬é–‹ã‚„開発を支æ´ã™ã‚‹ã‚ˆã†ãªãƒ—ラグイン
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